422 



INDEX. 



Antelope, 386 



Antenna?, 69, 79, 219 



Antennulse, 69 



Antilocapra, 387 



Ant-lion, 248 



Ants, 255 



Ants, white, 247 



Anura, 341 



Aorta, 18 



Aortic arch, 35, 58 



Apes, 390 



Aphides, 260 



Apoda, 284 



Aptenodytes, 358 



Apus, 222 



Aqueous humor, 304 



Arachnida, 232 



Araneida, 233 



Arbacia, 115 



Arbor vitae, 62 



Archsean age, 413 



Archseopteryx, 355 



Arch, aortic, 35 



Arch, branchial, 19, 24 



Arch, hsemal, 20, 27 



Arch, hyoid, 19 



Arch, neural, 20 



Arch, pelvic, 37 



Arctic region, 411 



Argynnis, 266 



Aristotle's lantern, 117, 281 



Armadillos, 372 



Army-worm, 262 



Arterial blood, 321 



Arterial bulb, 26 



Arterial trunk, 311 



Arthrobranchise, 69 



Arthropoda, 215 



Artiodactyla, 383, 385 



Ascon, 158 



Asexual reproduction, 405 



Asiphonida, 204 



Asses, 384 



Assimilation, 139, 396 



Asterias, 110 



Asteroidea, 276 



Atlas, 38, 365 



Atrium, 309 



Atrophy, 70, 215 



Auditory nerve, 21 



Auks, 358 



Aurelia, 174 



Auricle, 18, 26, 59, 310 



Australian region, 409, 410 



Aves, 350 



Axial skeleton, 290 



Azoic age, 413 



Baboon, 391 

 Back-bone, 290 

 Bacon-beetle, 251 

 Balancers, 237, 267 

 Baleen, 380 

 Barnacles, 224 

 Basilisk, 345 

 Basiopod, 67 

 Basket-fish, 279 

 Bath-sponge, 130 

 Bats, 376 

 Beach-flea, 230 

 Bean-weevil, 253 

 Bears, 388 

 Beaver, 376 

 Bedbug, 258 

 Bee-moth, 264 

 Bee, study of, 87 

 Bees ; 256 

 Beetles, 250 

 Bicuspids, 367 

 Bilateral symmetry, 404 

 Bile-duct, 56 

 Biloculina, 148 

 Bird, dissection of, 48 

 Birds, 350 



Birds of Paradise, 363 

 Bison, 386 

 Blackfish, 379 

 Black-snake, 347 

 Blindfish, 328 

 Blindworms, 340 

 Blister-beetle, 253 

 Blood, 314 

 Blood-corpuscles, 35 

 Blow-fly, 268 

 Bluefish, 331 

 Boa, 347 



Body-cavity, 17, 25, 405 

 Body-layers, 154 



