INDEX. 101 



outlines of his synopsis of a newsclieme for the classification of 

 animals, 324. Ou the difference of structure between the hu- 

 man membranum tympani, and that of the elephant, 327. On 

 the double organs of generation of the lamprey, 332 



Home's (Sir E., Cart.) facts relative to the natural history of the 

 walrus and seal, xvii. 262. Account of the organs of generation 

 of the Mexican proteus in a developed state, 278 



— — observations on the internal structure of the human brain, 

 as compared with that of fishes, insects, and worms, xviii. 136. 

 Reply to Dr. Bostock, 290. Discovery of nerves in the fcetal 

 and maternal placenta, 323 



• on the changes which the ovum of the frog undergoes 



during the formation of the tadpole, 324. xix. 295. 



' on some facts relating to the walrus and seal, xix. 100. 



Microscopical observations of, on the materials of the brain 

 and the ova of animals, and on the analogy between them, 270. 

 Notice of his Croonian Lecture on the nerves of the placenta, 

 294 

 on the source of animal heat, xx. 30G, 335. 



Homer's Jliadj ancient manuscript copy of, discovered, viii. 395 

 Honey of the Lecheguana wasp, relation of a case of poisoning 



by, XX. 404 

 Honey-dew, ravages of, prevented by using salt as a manure, x. 64 

 Hooker (Mr. W. J.), on the Tayloria Splachnoides, a new species 



of moss, ii. 144 

 Hooping-cough, vaccination a remedy for, xiii. 441 

 Hoopoe shot, v. 375 

 Hop, analysis of, x. 205. xiii. 402 

 Horner (Mr.), account of a new photometer by, v. 118 

 Hornstone, extraordinary formation of, xvi. 178 

 Horse-tails, on the structure and fructification of, vi. 20 

 Horse, analysis of a salivary calculus from, and also of its saliva, 



xiii. 399 

 Horses, chronic himcncss in, new method of treating, iii. 373 

 breeding of, for farms described, ix. 3. Mode of taming 



wild lior.^cs, I 5 



