INDEX 



459 



egg, 288] embryo, 366 ", versus 

 Reptile, 359; skeleton of wing, 

 352 



Birth, 208 



de Blainville, 15 



Blastocoel, 57 



Blastoderm, 238 



Elastopore, 57, 58, 127 



Blastostyle, 218 



Blastula, 57, S8, 126, 252 



Blending inheritance, 268, 283, 286 



Blood, 163; capillary circulation 

 discovered, 389; circulation 

 demonstrated, 385; corpuscles, 

 163, 338; pressure, 173; rate 

 of flow, 172; relationships, 367; 

 specific differences, 367; trans- 

 fusion, 367 



Body, animal, 115-153; plant, 

 61-90 



Body plan of Earthworm, 188 



Body plan of Vertebrates, 136-138 



Body temperature, 174, 176, 312 



Bone (see Skeleton) 



Borelli, 395 



Botany, 3, 4 



Brain, 134, 137, 148-152', evolu- 

 tion of, 365; human, 153] ven- 

 tricles, 188 



Branchial arteries, 165, 166 



Branchial clefts, 164 (see Gill slits) 



Bryales, 101, 414 



Bryophyta, 101, 112, 413 



Bud, 81, 82] winter, 78 



Budding, 113, 119, 213 



Buffon, 407 



Bulb, 70 



Buttress root, 67 



Cactus, 70 



Calciferous gland, 123 

 Calyx, 75, 107 



Cambarus (see Crayfish) 

 Cambium, 60, 76, 81 

 Camel, evolution of, 363 

 Cameron, E. H., 344 

 Capillaries, 163, 173; of lungs, 



165; network, 159, 389 

 Carbohydrates, 13, 14, 35, 42, 157 

 Carbon cycle, 48 

 Carnivora, 349 

 Carotid artery, 164, 165, 171 

 Carpal, 144, Itf 

 Carpel, 75, 107, 108, 112 

 Cartilage, 25, 140 

 Castor, 349 

 Catalyzer, 14 



Cat, brain, 189] skeleton, 145 

 Catocala, 320 



Caudal artery and vein, 164 

 Cell, 21; ciliated, 25; defined, 23; 



diagram of, 86; discovery, 387; 



division, 29, 885, 227; doctrine, 



399; epithelial, 59] forms of, 



23-29; nerve, 86; origin, 28; 



plant, generalized, 77; sap, 26. 



80, 84; theory, 242; wall, 27, 



77 



Cell cycle, 214, 215 

 Cellulose, 13, 31 

 Cenozoic era, 358 

 Central cylinder, 76, 79 

 Central nervous system, 186 (see 



Nervous system) 

 Central spindle, 226 

 Centrosome, 86, 27, 885 

 Centrum, 141, 143, 145 . 

 Cephalothorax, 131 

 Cerebellum, 153, 187, 189 

 Cerebral ganglion, 123, 131, 134 

 Cerebral hemispheres, 153, 187, 



188, 189 

 Chameleon, 321 

 Characters, acquired, 266, 297 



306, 377, 408, 409; alternative, 



