320 



ANIMAL LIFE 



Barrier, mountains a, to distribu- 

 tion, 293 ; sea a, to distribution, 

 288 ; temperature a, to distribu- 

 tion, 290. 



Barriers affecting fresh-water ani- 

 mals, 294 ; effect of, 283 ; species 

 debarred by, 274 ; to distribu- 

 tion, character of, 288. 



Basilarchia archippus mimicking 

 Anosia plexippus (illus.), 219. 



Bassalian fauna, 305. 



Beavers, nest of (illus.), 269. 



Beetle, larva of (illus.), 146. 



Beetles, lady-bird (illus.), 214. 



Bird, egg of (illus.), 79. 



Bird-louse (illus.), 188. 



Bird of paradise (illus.), 58. 



Birds, nest-making habits of, 264. 



Birth, 78. 



Bittern, nestlings of (illus.), 246, 

 247. 



Blastoderm, 82. 



Blastula, 82. 



Blue jay (illus.), 138. 



Brain, 241. 



Budding, 13. 



Bumble-bee, 159, (illus.), 161. 



Bush-tit, nest of California (illus.), 

 270. 



Butterfly, egg of (illus.), 79 ; mon- 

 arch, metamorphosis of (illus.), 

 92. 



Caecum, 68. 



Calcolynthus porimigenius (illus.), 

 33. 



Calf, taste buds of (illus.), 229. 



Callorhinus alascanus (illus.), 

 136. 



Camponotus (illus.), 155. 



Canadian skipper butterfly, distri- 

 bution of (illus.), 273. 



Canal, alimentary, 66. 

 Cankerworm-moth (illus.), 59. 

 Care of young of mammals, 268. 

 Carpenter-bee, nest of (illus.), 160. 

 Caterpillar parasitized (illus.), 189, 



(illus.), 190. 



Cave blind-fish (illus.), 282. 

 Ceanothus (illus.), 141. 

 Cell, animal, 2 ; egg, 21, 56 ; plant, 



2 ; products, 3 ; wall, 3. 

 Cells, brood, of honey-bee (illus.), 



152 ; nerve, 240 ; repi'oductive, 



29, 55. 



Cellulose, 24, 27. 

 Centiped (illus.), 130. 

 Cerura, larva of (illus.), 216. 

 Chalk, 18. 

 Chick, embryonic stages of (illus.;, 



87. 



Chitin, 91. 

 Chlorophyll, 24. 



Chologaster apassizi (illus.). 282. 

 Chologaster avetus (illus.), 282. 

 Chromatophore, 24. 

 Chromosome, 3. 

 Chrysalid of butterfly, showing 



protective resemblance (illus.), 



206. 



Chrysalis, 93. 

 Chyle. 68. 

 Cilia, 9. 

 Cleavage, 82. 

 Climate, influencing distribution, 



291 ; instincts of, 248. 

 Clouded skipper butterfly, distri- 

 bution of (illus.), 273. 

 Coccidium oviforme (illus.), 14. 

 Cockroach, alimentary canal of 



(illus.), 73; egg case of (illus.), 



140. 

 Cocoon of Cecropia moth (illus.), 



141. 



