INDEX. 



403 



siasm for them, ll.") — errors in books 

 regarding them, \\6 et seq. — tlieir 

 stinging power, 138 — -disproof of thoir 

 alleged paralysing power, ib. — their 

 longevity and vitality, 139 — edible, 

 140 — viviparous, U>. — uncertainty of 

 colour as a distinction in them, 142 — 

 the so-called urticating cells in them, 

 ] 49. Sie aho Actinia, &c. 



Animal, anatomical distinctions of the, 

 V26 note. 



Animal envelope, universal importance 

 of the, 157. 



Animal heat, influence of, on maternal 

 instinct, 238. 



Animal and vegetable life, the mode of 

 distinguishing between, 120 et seq. 



Animal paradoxes, examples of, .'52. 



Animals, relations of their organism to 

 light, 234— discovery of new, 247 — 

 the identification of, 278 — and man, 

 comparative perfection of sense in, 

 357. 



Annelids, partiality of, for darkness, 

 21 — the budding or gemmation of, 

 61 — Bonnet's observations on, 63 — 

 peculiarities of the blood of, QQ et 

 seq. — twofold respiration of, 69 — 

 entrance of water into the blood in, 

 111 — digestion in, 218 — effects of light 

 on, 230— Parthenogenesis among, 291. 



Anthea, its voracity, 128— trial of its 

 paralysing power, 131, 133 — changes 

 of colour in it, 143 — the thread cap- 

 sules in it, 149 — its tentiicles, 156 

 — self-division in the, 174. 



whore found, 16 — experiments 



on the supposed solvent fluid of the, 

 214. 



Antheas, motion in the, 125 — at the 

 Scilly Isles, 201, 228. 



Anthropomoriihism, tendencies to, in 

 zoology, and danger of them, 368 et 

 seq. 



Ajihides, reproduction in, 283 et seq. — 

 Owen on it, 284 — its ratio, 285 — re- 

 searches of Huxley on the generation 

 of, 298. 



Aphrodita, blood of the, 67. 



Aplysia, the, 21 — superstitions regard- 

 ing it, 22 — peculiarities of its ova, 

 246 note—thQ so-called eyes in the, 

 341 — its nervous sj'stem, 373, 374. 

 See also Soa-hare. 



Apneusta, the order of, 110. 



A priori conclusions, danger of, in 

 Zoology, 3ti8 et seq. 



Aquarium at Regent's Park, the, 4. 



Aristotle on the Anemones, 117. 



Arran, colony of Dianthi at, 109. 



Ascidian, the, 23, 91 — an undoscribed, 

 278 — the embryo of tlie, 279. 



Ascidians, want of motion in the, 58, 

 124 — peculiarities of generation in 

 the, 2«7. 



Assimilation, distinction between di- 

 gestion antl, 208 — chemical solution 

 necessary to, 211 — and digestion, not 

 identical, 394. 



Aucapitaine, M., on the Boring Mol- 

 luscs, S3. 



Auerbach, on the enveloping membrane, 

 &c., 208. 



Avicularium of the Corkscrew Coralline, 

 the, 366. 



Baer, von, see Von Baer. 



Baird, Dr, on the vitaUty of Molluscs, 

 341. 



Basket, the collecting, for marine ani- 

 mals, 12. 



Basques, peculiar custom among the, 

 236. 



Beauty, charm of, 139. 



Bee, Parthenogenesis in the, 290. 



Bell, Sir C, his views on the nervous 

 system, 378, 379. 



Beneden, see Van Beneden. 



Bergmann and Leuckart on the blood, 

 210 — on the convoluted bands, 262. 



Bernard, Claude, on anatomy as a 

 source of error, 153 — on digestion, 

 212. 



Berryn Narbor, a ramble to, 76. 



Biliary secretions, provision for, in the 

 Eolis, 104. 



Biology, neglect of trae induction in, 

 99. 



Bird's head process of the Corkscrew 

 Coralline, the, 366. 



Blessig on the structure of the retina, 

 345. 



Blood, peculiarities of, in Annelids, 66 

 et seq. — entrance of water into the, 

 111 — changes it undergoes before as- 

 similation, 210 — true, definition of, 

 254. 



Bonnet, the experiments, &c. of, on 

 Annelids, 63 — on the reproduction of 

 Aphides, 283. 



Books, suitable, for marine studies, 33. 



Boring Molluscs, the, 81 — how they 

 operate, 83 — prevention of their ra- 

 vages, 85. 



Borliuse's account of the Scilly Lsles, 

 184 — on the former state of the Scilly 

 Isles, 192 — historical nutices ti'om, 193. 



Botryllus, the, 23. 



