Pediculus showing the blind sac (b) containing the mouth parts (a) beneath the alimentary canal (p)
Pediculoides ventricosus, female
Otiobius (Ornithodoros) megnini, male. (a) dorsal, (b) ventral aspect
Otiobius (Ornithodoros) megnini, head of nymph
Notœdres cati, male and female
Muscina stabulan
Mandible of Scolopendra cingulata showing venom gland
Lucilia cæsar
Linguatula. (a) larva; (enlarged). (b) adult; (natural size)
Life cycle of the malarial parasite
Left spiracle of nymph of Argas persicus
Left hand stigmata of the larvæ of muscoidea
Larva of Simulium
Larva of Fannia scalaris
Larva of Anopheles
Ixodes ricinus; male, ventral aspect
Head of a spider showing poison gland (c) and its relation to the chelicera (a)
Head and pronotum of (a) dog flea; (b) of cat flea; (c) of hen flea (d) Nycteridiphilus (Ischnopsyllus) hexactenus
Xenopsylla cheopis, male
Two common centipedes
The yellow fever mosquito (Aëdes calopus)
The Italian tarantula
The cattle tick (Boophilus annulatus). (a) Female; (b) male
Sting of a honey bee
Some early medical entomology
Dog flea
Dipylidium caninum. The double pored tapeworm of the dog
Dipylidium caninum. Rostrum evaginated and invaginated
Dermanyssus gallinæ, female
Harvest mites. (Larvæ of Trombidium)
Epithelium underlying poison hairs of the larva of the browntail moth
Epithelium underlying poison hairs of the larva of the browntail moth (larger scale)
Eggs of Anopheles
Echidnophaga gallinacea
Cordylobia anthropophaga
Conorhinus sanguisugus
Conorhinus abdominalis
Chrysomyia macellaria
Calliphora erythrocephala
Demodex folliculorum
Dancing Mania
Culicoides guttipennis - (a) adult, (×15) (b) head of same (c) larva (d) head (e) pupa
Culex sollicitans. Female
Cross section of the larva of the browntail moth showing the tubercles bearing the poison hairs
Beak of hemipteron
Auchmeromyia luteola
Argus persicus. Capitulum of male
Anopheles quadrimaculatus mosquito
Mosquito
Mosquito
An American tarantula
Aëdes calopus; larva
A whip-scorpion
A true scorpion
A solpugid (Eremobates cinerea)
A millipede
A medieval method of combating the plague. The persecution of the anointers in Milan in 1630
A flesh fly
Normal position of the larvæ of Culex and Anopheles in the water
Diagram of a longitudinal section of a mosquito