INDEX. 



701 



Astrsea pallida, 81 



Astrangia, 80 



Astrangia Dante, 81 



Astrogonium, 196 



Astroides, development of, 82 



Astro pecteu, 196 



Astrophyton Agassizii, 193 



Atalapha noveboracensis, 591 



Ateles, 560, 620 



Atlantosaurus, 515 



Atoll, 89 



Atrium, 388 



Auk, great, 541 



Aurelia aurita, 63 

 flavidula, 65 



Auricularia, 214 



Aurochs, 612 



Autechinida, 205, 208 



Autolycus, 173 



Automata, animals as, 682 



Aves, anatomy of, 518, 525 

 characters of, 518, 557 

 development of, 532 

 feathers of, 523 

 moulting of, 534 

 nesting habits of, 536 

 sexual colors of, 535 

 skeleton of, 518, 519, 521 

 songs of, 535 

 topography of, 520 



Axinella polypoides, 48 



Axolotl, 479 



Aye-aye, 619 



BABOOIT, 620 

 Balsena mysticetus, 592 

 Balseniceps rex, 545 

 Balaenoptera boops, 592 

 Balanoglossus aurantiacus, 157 

 Balanus balanoides, 273 

 Balatro, 137 

 Baphetes, 483 

 Barnacle, 272 



anatomy of, 273 



Barramundi fish, 430 



Bathycrinus, 183 



Bats, 588 



Batrachia, breeding habits of, 484 



characters of, 464, 487 



development of, 476 



gills of, 468 



poison of, 475 



reproduction of lost parts 

 of, 481 



skeleton of, 465 



teeth of, 467 



viviparous, 479 

 Bear, 615 

 Beaver, 584 

 Bee, 359, 365 

 Beetles, 372 



oil, 372 



Belone longirostris, 454 

 Bilateral symmetry of Ctenopho- 

 ra, 92, 93 



Echinoderms, 178, 202 

 Bilharzia hsematobia, 110 

 Bill-fish, 454 

 Bimana, 624 



Bipalium dendrophilus, 101 

 Bipinnaria, 195 

 Birds, diving, 541 



of prey, 548 



perching, 551 



raptorial, 548 



swimming, 543 



(Also see Aves.) 

 Bison, 611 



Bladder, swimming, of fishes, 442 

 Blastoidea, 189, 191 

 Blind fish, 442, 444, 453 



slirimps, 315 

 Blissus leucopterus, 349 

 Blister beetles, 353 

 Blood, circulation of, 635 

 Blood corpuscles, 8 

 Blue-fish, 455 

 Boa constrictor, 496 



