51G 



IKDEX. 



Birds, ceutriiin of jne-sphenoidal sclero- 

 tome in, 149-154 ; from size of organs 

 of vision, have gi'eat developmeut of 

 principal frontal, 156 



Birtli, state of teeth at, 23 



Blake, Structure and Formation of Teeth 

 referred to, 21, 33 



Blastema announcing formation of a 

 gland in emltryo, 425 



Blastoderma, the first form after com- 

 mencement of development, 73 



Blennius mvipanis, Rathke on cartilagi- 

 nous streaks at the basis of head in 

 embryo, 186 



Bhniienbaeh on the enclosure of bullets 

 in ivory, 58 



Bone : how dead or dying bone is sepa- 

 rated from the living stnicture, 406 ; 

 the structure and economy of, 461-464 



" Bones of Bertin," 158, 163 



Bowman, paper on muscle referred to, 

 389 ; fat deposited in liver, 382, 413 ; 

 on basement membrane, 391 ; jiajjer 

 on the stnacture and use of the Mal- 

 pighian bodies of the kidney referred 

 to, 391, 428 ; on mucous membrane, 

 396, 428 



Brachynra [Crustacea), organs of gener- 

 ation in, 430, 435 



Bram in Crustacea, its i3osition, 80 ; in 

 insects, annelids, and mollusca, 81 



Bremser, Intestinal Worms of Man, 

 quoted, 481 



Bright, figures of ulceration of Peyer's 

 patches, 378 



Brisbane (Lady), sends gold-fish with 

 parasitic conferva on it to Mr. Bryson, 

 345 



Briicke and Hannover on the rods and 

 cones of bacillary layer of retina re- 

 flecting light back, 269 



Bryson (Alex.), on vegetable nature of 

 growth on fin and tail of gold-fish, 345 



Buccinuni undatum, liver of, 415 



Bulbs, tooth-pulp and its sac, 51 



Burdach's Physiologie referred to, 20 



Bursarice on filaments of conferva of 

 gold-fish, 350 



C'cenunis cerebralis, 487, 503 ; C. liepa- 



ticus, 489, 503 

 Camels, canine teeth in, 53 

 Camjier on metallic bodies inclosed in 



ivory, 58 

 Canine and upper incisors, germs of, in 



embryo of cow and sheep, 53 

 Carabus catenulahis, hepatic caica of, 41 ,^i 

 Carcintis mcenas, hepatic cajca of, 415 ; 



liver of, 423 



Carp, Interorbital space in, 157 



Carswell on cirrliosis of liver, 382 



Cartilage, nature of, 408 



Carus, view of the morphology of nervous 

 system in annulosa, 79; division of 

 skeleton, 102 



Cassowary, olfactory chambers of, 153 



Catacentric sclerotome, 110 



CaUimetoxM have large generative organs, 

 429 



Cell (central), origin of others, 390 



Cells, various kinds of, in animals and 

 vegetables, 403 



Cell-wall does not separate and prepare 

 secretion, 426 



Cement of elephant's tusk, exogenous 

 gi'OT\'th of, 59 



Centres of nutrition, 3S9-392 



Centrifugal and centripetal nerves, their 

 electric relations are identical, 337 



Cetacea, substance Lu pulp-cavities of 

 teeth, 62 



Changes in pulps and sacs at various 

 stages till the emption of the wisdom- 

 teeth, 26-43 



Chemical action, cause of electricity in 

 vegetables, 318 



Chemistiy, mechanics, and other physical 

 sciences, how the knowledge of them 

 was advanced, 206, 208 



Child at birth, development of pulps and 

 sacs of teeth in, 23 ; between four and 

 five years old, sac and pulp of teeth 

 m, 25, 26 ; six years old, 26 



Chvle, absor2)tiou of, in fresh subjects, 

 394 



Cin-hosis of liver, 382 



Claudius on Corti's membrane, 283-286 



Cochlea, on the lamina spiralis of, 282- 

 288 ; Br. Young's oi^inion that it was 

 a " micrometer of sound," 287 



Cod, interorbital space in, 156 



Comb on a spear-head found in tusk of 

 elejihant, 64 



Cones of retina, 265 ; seat of impression 

 of light, 209 ; Goodsir's opinion that 

 they are not nei-vous structuix?s, 270 



Conferva, their mode of reproduction, 

 212 ; which vegetate on the skin of 

 the gold-fish, 345-350 



Contraction (muscular) electric condition 

 during, 328 



Cooper (Sir Astley) on structure of 

 thymus, correction of one of his ob- 

 servations, 74 ; (Daniel), cotton-like 

 conferva on gills and fins of gold-fish, 

 350 



Corti, membrane of, in cochlea, 283 



Cow, follicular stage of dentition in, 53 



