- Pentapterygium serpens (flowers deep crimson)
In the wet season they push out new shoots, from which grow rapidly wands three or four feet long, clothed with box-like leaves, and afterward with numerous pendulous flowers. These are elegant in shape and richly colored. They are urn-shaped, with five ribs running the whole length of the corolla, and their color is bright crimson with deeper colored V-shaped veins, as shown in the illustration of the flowers of almost natural size. They remain fresh upon the plant for several weeks. The beautiful appearance of a well grown specimen when in flower may be seen from the accompanying sketch of the specimen at Kew, which was at its best in July, and remained in bloom until the middle of September. - Pentapterygium serpens
This is one of five species of Himalayan plants which, until recently, were included in the genus vaccinium. The new name for them is ugly enough to make one wish that they were vacciniums still. Pentapterygium serpens is the most beautiful of the lot, and, so far as I know, this and P. rugosum are the only species in cultivation in England. The former was collected in the Himalayas about ten years ago by Captain Elwes, who forwarded it to Kew, where it grows and flowers freely under the same treatment as suits Cape heaths. - Jerboa
Jerboa - The Anatomy of the Eye
From Vesalius, De humani corporis fabrica, Basel, 1543, p. 643. a, Crystalline humour; o, Albugineous humour; c, Vitreous humour; n, Cornea; q, Conjunctiva; m, Sclerotica; g, Secundina; h, Uvea; k, Arachnoidea; e, Retina. - The Anatomy of the Eye
The Anatomy of the Eye - Diagram of the ventricles and the senses
Diagram of the ventricles and the senses with their relation to the intellectual processes according to the doctrine of the Renaissance anatomists. - Illustrating the general ideas on anatomy current at the Renaissance
Illustrating the general ideas on anatomy current at the Renaissance - Diagram of the senses, the humours, the cerebral ventricles, and the intellectual facultie
Diagram of the senses, the humours, the cerebral ventricles, and the intellectual facultie - The layers of the head
The layers of the head - Venice, 1496, showing the ventricles of the brain
Venice, 1496, showing the ventricles of the brain - The figure shows the ten layers of the head
The figure shows the ten layers of the head - Leonardo Da Vincis diagram of the heart
Leonardo Da Vincis diagram of the heart - Roger Bacons diagram of the Eye
Roger Bacons diagram of the Eye - a lecture on anatomy
a lecture on anatomy - The first picture of dissection in an English-printed book
The first picture of dissection in an English-printed book - A dissection scene
A dissection scene - Title-page of Mellerstadt’s edition of the Anatomy of Mondino, Leipzig, 1493. The scene is laid in the open air
Title-page of Mellerstadt’s edition of the Anatomy of Mondino, Leipzig, 1493. The scene is laid in the open air - The figure shows a professor and pupil. The former is demonstrating the bones of a skeleton.
The figure shows a professor and pupil. The former is demonstrating the bones of a skeleton. - The first printed picture of dissection
The first printed picture of dissection - An anatomical diagram of about 1298
An anatomical diagram of about 1298 - The Microcosm
The idea of a close parallelism between the structure of man and of the wider universe was gradually abandoned by the scientific, while among the unscientific it degenerated and became little better than an insane obsession. As such it appears in the ingenious ravings of the English follower of Paracelsus, the Rosicrucian, Robert Fludd, who reproduced, often with fidelity, the systems which had some novelty five centuries before his time. - Illustrating Galen’s physiological teaching
The basic principle of life, in the Galenic physiology, is a spirit, anima or pneuma, drawn from the general world-soul in the act of respiration. It enters the body through the rough artery (τραχεῖα ἀρτηρία, arteria aspera of mediaeval notation), the organ known to our nomenclature as the trachea. From this trachea the pneuma passes to the lung and then, through the vein-like artery (ἀρτηρία φλεβώδης, arteria venalis of mediaeval writers, the pulmonary vein of our nomenclature), to the left ventricle. Here it will be best to leave it for a moment and trace the vascular system along a different route. - Lioness and young, from an Ionian vase of the sixth century B. C
Lioness and young from an Ionian vase of the sixth century b. c. found at Caere in Southern Etruria (Louvre, Salle E, No. 298), from Le Dessin des Animaux en Grèce d’après les vases peints, by J. Morin, Paris (Renouard), 1911. The animal is drawing itself up to attack its hunters. The scanty mane, the form of the paws, the udders, and the dentition are all heavily though accurately represented. - Vertical section of the skull, showing the sinuses of the dura mater
Vertical section of the skull - Superficial veins of the head and neck
- The arch of the aorta and its branches
- The regions of the abdomen and their contents
- Passage into trachea and esophagus; Pharynx
- The right auricle and ventricle laid open
- The root of the left lung
- The cartilages of the larynx; the trachea and bronchi
- Front view of the thorax
- The Skull
- The Spine
- Skeleton
- Lymphatics of the head and neck. B, the thoracic duct
- Lymphatics of the leg.
- A cross section of the skin
- Plan of the foetal circulation
- The earliest discovered Trypanosome, described by Gruby in 1843
The earliest discovered Trypanosome, described by Gruby in 1843 as “Trypanosoma sanguinis” and found by him in the blood of the common esculent Frog. It was not noticed again until it was re-discovered by Lankester in 1871, who published the figure of it in the Quarterly Journal of Microscopical Science in that year. - Various species of Trypanosoma from the blood of mammals, birds, and reptiles
Various species of Trypanosoma from the blood of mammals, birds, and reptiles. A. T. Lewisii, from the blood of rats; B. T. Brucei, the parasite of the Nagana or Tsetze-fly disease, found in the blood of horses, cattle, and big game; C. T. gambiense, the parasite causing Sleeping Sickness in man; D. T. equinum, which causes the mal de caderas in South American horse ranches; E. T. noctuæ, from the blood of the little owl, Athene noctua; F. T. avium, found in the blood of many birds; G. a species found in the blood of Indian pigeons; H. T. ziemanni, a second species from the blood of the little owl; J. T. damoniæ, from the blood of a tortoise; c.g., granules; v., vacuole; l.s., fold of the crest or undulating membrane. - A diagram showing the life-history and migration of the Malaria parasite
A diagram showing the life-history and migration of the Malaria parasite, Laverania Malariæ, as discovered by Laveran, Ross, and Grassi. The stages above the dotted line take place in the blood of man. The oblong-pointed parasite is seen entering the blood at n just below No. 1. The circles represent the red blood-discs of man. Schizogony means multiplication by simple division or splitting, and it is seen in Nos. 6, 7, 8, 9, and 10. The stages below the dotted line are passed in the body of the spot-winged gnats of the genus Anopheles. A peculiar crescent or sausage-shaped condition is assumed by the parasite inside the red corpuscle No. VI. These are found to be of two kinds, male and female, Nos. VIIa and VIIb. They are swallowed by the spot-winged gnat when it sucks the blood of an infected man. Here in the gut of the gnat they become spherical; the male spheres produce spermatozoa No. Xa, which fuse with and fertilize the female spheres or egg-cells No. XI. An active worm-like form No. XIII results, which pushes its way partly through the wall of the gnat’s gut, and is then nourished by the gnat’s blood. It swells up, divides internally again and again, and is enclosed in a firm transparent case or cyst, Nos. XIV to XVIII. The cysts are far larger in proportion than is shown in the diagram, and are visible to the naked eye. The final product of the breaking up, which is called sporogony, is a vast number of needle-shaped spores or young (called Exotospores, as opposed to the Enhæmospores, which are formed in the human blood, as seen in Nos. 9 and 10, and serve there to spread the infection among the red corpuscles). The needle-shaped spores formed in the gnat’s body accumulate in its salivary glands, and pass out by the mouth of the gnat when it stabs a new human victim who thus becomes infected, No. XIX. - Lankesterella ranarum (Lank.), the parasite of the red blood-corpuscles of the edible Frog
- The Number of the Chromosomes
(a) Cell of the asexual generation of the cryptogam Pellia epiphylla: the nucleus is about to divide, a polar ray-formation is present at each end of the spindle-shaped nucleus, the chromosomes have divided into two horizontal groups each of sixteen pieces: sixteen is the number of the chromosomes of the ordinary tissue cells of Pellia. (b) Cell of the sexual generation of the same plant (Pellia) in the same phase of division, but with the reduced number of chromosomes—namely, eight in each half of the dividing nucleus. The completed cells of the sexual generation have only eight chromosomes. (c) Somatic or tissue cell of Salamander showing twenty-four ∨-shaped chromosomes, each of which is becoming longitudinally split as a preliminary to division. (d) Sperm-mother-cell from testis of Salamander, showing the reduced number of chromosomes of the sexual cells—namely, twelve; each is split longitudinally. (From original drawings by Prof. Farmer and Mr. Moore.) - Diagrammatic representation of the structures present in a typical cell
Diagrammatic representation of the structures present in a typical cell (after Wilson). Note the two centrosomes, sometimes single. - The unicellular parasite Benedenia, from the gut of the common Poulp or Octopus
The unicellular parasite Benedenia, from the gut of the common Poulp or Octopus. 1 is the normal male individual; 2 and 3 show stages in the production of spermatozoa on its surface by budding; 4, 5 and 6 show a female parasite with spermatozoa approaching it. - The young of the common Eel and its metamorphosis
Drawings by Professor Grassi, of Rome, of the young of the common Eel and its metamorphosis. All of the natural size. The uppermost figure represents a transparent glass-like creature—which was known as a rare “find” to marine naturalists, and received the name Leptocephalus. Really it lives in vast numbers in great depths of the sea—five hundred fathoms and more. It is hatched here from the eggs of the common Eel which descends from the ponds, lakes, and rivers of Europe in order to breed in these great depths. The gradual change of the Leptocephalus into a young Eel or “Elver” is shown, and was discovered by Grassi. The young Eels leave the great depth of the ocean and ascend the rivers in immense shoals of many hundred thousand individuals, and wriggle their way up banks and rocks into the small streams and pools of the continent. - The Freshwater Jelly-fish of Lake Tanganyika
The Freshwater Jelly-fish of Lake Tanganyika (Limnocnida Tanganyicae), Since its discovery in Tanganyika it has been found also in the Lake Victoria Nyanza and in pools in the Upper Niger basin. - The Freshwater Jelly-fish of Regent’s Park (Limnocodium Sowerbii)
The Freshwater Jelly-fish of Regent’s Park (Limnocodium Sowerbii) It was discovered in the tropical lily tank of the Botanical Gardens in June, 1880, and swarmed in great numbers year after year—then suddenly disappeared. It has since been found in similar tanks in Sheffield, Lyons, and Munich. Only male specimens were discovered, and the native home of the wonderful visitor is still unknown. - Trypanosoma Ziemanni, from the blood of the little owl
Trypanosoma Ziemanni, from the blood of the little owl. The stages shown in Figs. 52–54 are passed inside the gnat. The spiral and pear-shaped bodies of Fig. 54 pass from the gnat’s proboscis into the blood of the little owl, and grow there into the large forms here figured. A, B, and C are females, destined to be fertilized by spermatozoa when swallowed by a gnat. D and E are male Trypanosomes, which will give rise each to eight fertilizing individuals or spermatozoa as shown in Fig. 56—when swallowed by a gnat. - Trypanosoma Ziemanni, from the gut of the gnat
Trypanosoma Ziemanni, from the gut of the gnat - A Clever Humming-bird
- Cow Parts
1 Chuck 2 Ribs 3 Loin 4 Rump 5 Round 6 Hind Shank 7 Flank 8 Navel End 9 Clod 10 Fore Shank 11 Brisket. - Partridges
Partridges - Boy and Girl feeding a horse
Boy and Girl feeding a horse - A calf
A calf - A Cow
A Cow - A horse
A horse - Naughty goat!!
Naughty goat!! - Two girls feeding a cow
Two girls feeding a cow