INDEX. 



517 



Crab, how it acts on the injuring of a 

 limb, 471 



Cranium of mammal, how it differs from 

 that of the other vertebrata, 114 



Crocodiles, observations made by Good- 

 sir in dissection of, 98, 99 ; peculiar 

 position of their nostrils, 118, 119 



Cruikshank (William), Anatomy of the 

 Absorbing Vessels of the Human 

 Body, referred to, 393, 443 



Crustacea, Geoffrey St. Hilaire's opinion 

 of their relations, 79 ; brain in, its 

 position, 80 ; development of seminal 

 secretion in, 427 ; on the mode of re- 

 production of lost parts in, 471-475 



Crystalline column, 278 ; of compound 

 eye, 279 



Cuvier, on the bone and ivory around 

 bullets in tusks of elephant, 59 ; " os 

 en forme de cuiller" in lizard, what, 

 151 



Cyclometopa, the most prolific Crustacea, 

 429 



Cyclostomous fishes, nasal passage of, 

 173-175 



Cyprinoid fish, post-stomal sclerotome, 

 176 



Cystic entozoa, anatomy and develop- 

 ment of, 476-503 



Cysticercus cellulosus, 490 ; C. rattus, 

 491 ; C. neglectus, 503 ; species of, 

 found in almost every part of human 

 body, 493 



DALRTMPLE on the structure of human 

 placenta, referred to, 446-449 



Davy (Dr. ), on the torpedo, 344 



Dexiotrope movements, 260 



Diacentric sclerotome, 111 



Diaphragms (electric) in torpedo, 290, 

 291 ; in gymnotus, 292, 293 



Diatomacece, their mode of reproduction, 

 212 



Dicotyledonous plants, electrical currents 

 in, 310, 311 



Digestion, functions of, 400, 401 



Diplostomum volvens, Nordman, 500 



Discs of mass on each side of tail of 

 skate, their structure, 295 



Diseased structure in one animal iden- 

 tical with normal structure in another, 

 62, 63 



Diskostoma acephalocystis, 483-502 



" Distal" margin in movements of joints, 

 248 



Distoma clavatum, Owen, 499 



Dodo, Dinornis, and other extinct birds, 

 structure of bones of head, 152, 153 



Donne, opposite electrical conditions of 



different parts of vegetables, 308 ; on 

 electric phenomena of membrane and 

 gland, 319-321 



EAR, structure of parts of, 282-288 

 Echinococcus hominis, 480 ; E. veterin- 



orum, 481 



Echiurus vulgaris, caeca of, 416 

 Ecker, communication on Bilharz's ana- 

 tomy of electric Nile fish, 294, 299 



Edentulous mammals likely to have 

 germs of teeth in foetal state, 54 



" Edinburgh Dissector," referred to, 35. 



Electric organ, various opinions on its 

 action, 338-341 ; fishes do not feel 

 electric discharges produced by them- 

 selves or other individuals of the same 

 species, 343 



Electrical apparatus in torpedo, gymno- 

 tus, and other fishes, 289 ; disturb- 

 ances in the processes of living organ- 

 ised bodies, as noticed by Galvani, 

 Matteucci, and Du Bois Reymond, 299 



Electricity (organic), a brief review of 

 the present state of, 306-350 ; pecu- 

 liar character of that evolved from the 

 batteries of the fish, 342 



Electrotonic state of nerve, 333-335 



Elephant, successive dentitions conducted 

 in a cavity of reserve, 41 ; on bullets 

 and other bodies inclosed hi the tusks 

 of, 56-65. 



Embryo of sixth week, dental arches in, 

 1 ; seventh week, 4 ; second month, 

 6 ; nine weeks old, 8 ; tenth week, 

 9; llth or 12th week, 10; 13th 

 week, 11 ; 14th week, 12 ; 15th week, 

 14 ; 16th week, 16 ; fifth month, 18 ; 

 forms must be studied in morpho- 

 logical inquiries, 83 



Enamel pulp of Hunter, 33 ; deposition 

 of, 54 



Endogenous growth of ivory, 59 



Entomosome, a segmented animal, 84 



Entozoa (cystic), Harry Goodsir on their 

 anatomy and development, 476-503 



Equiangular spiral, its characteristic 

 property, 253 



Eruptive stage of dentition, 44 



Erdl, dissertation on Helix algira, 413 



Ethmoidal sclerotome, 122-148; remark- 

 able modification of, in the bird, 127- 

 130 ; in the chelonian, 130 ; in the 

 crocodiles, 131 ; in lacertians, 136 ; 

 in ophidians, 137 ; in amphibians, 

 138 ; views hitherto taken of it, 139- 

 143 



Exogenous growth of cement of elephant's 

 tusk, 59 



