- Pupa of flea
- Pulo Condore Buffalo
- Pulex irritans, female
- Pope's Cantilever in Process of Erection
- Plan of a Behr Mono-Railway Car
- Pioneer Wagons
- Pharyngeal syringe or salivary pump of Fulgora maculata
- Person holding Bible
- Pegasse
- Pediculus vestimenti 2
- Pediculus vestimenti
- Peacock Feather Divider
- P
- Outlines of Manilla Buffalo
- Ornithodoros moubata
- Open Scroll with star of David
- Open Bible on desk
- Occipital view of the same Skull
- Newly hatched young of Cimex lectularius
- Mr. Daniel Bourn’s Roller Wheel Waggon -1763
- More Border than space
- Manilla Buffalo
- Man divider
- Making an Embankment
- Maiden with long hair divider
- Ludwig van Beethoven
- London Hackney Cab (Boulnois’ Patent)
- Locomotive of To-day
- Larva of Xenopsylla cheopis
- Larva of Pulex irritans
- Larva of Auchmeromyia luteola
- Larva of a flesh fly (Sarcophaga) - Caudal aspect - Anterior stigmata. Pharyngeal skeleton
- Kyloe, or Highland Ox
- Kitten with paw up
- Kitten with paw out
- Kitten thinking
- Kitten practicing a snarl
- Kitten looking down
- Kitten laying down
- Kitten climbing
- Kitten and dragonfly
- Kitten
- Kinzua Viaduct; Erie Railway.
- Kinzua Viaduct
- King George IV. in His Pony Phaeton
- Jungly Gau
- Joseph Haydn, Wolfgang A. Mozart
- John Tetzel Selling Indulgences
- John Huss
- Joh. Sebastian Bach, Geo. Fred. Handel
- Italian Buffalo
- Indian Hunting Bison
- Hunting Dog
- Hungarian Ox
- Horse Litter
- Horns of Young Arnee
- Hertfordshire Society of Archers
- Herefordshire Cow
- Head of young male Bison
- Head of Musk Ox