JLK
- Kallima paralecta, leaf-butterfly, [86]
- Kant, quoted, [476]
- Katabolism, a disruption or explosive process, [32]
- Kea, of New Zealand, [446]
- Keimplasma. See Germ-plasm
- Kentish plover, [83], [217]
- Kepler, Dr. Huggins's dog, [396]
- Kerguelen Island, wingless insects of, [81]
- Kinesis, [467]
- Kingfishers, [446]
- Kirby and Spence, localization of smell in insects, [258];
- on hearing in a moth, [267];
- on instinct of ichneumon fly, [430]
- Kittens, instinctive antipathy to dog, [396]
- Klein, Mr. S., on Bombyx quercus, [258]
- Kühne, Messrs. Boll and, on retinal purple, [276]