INDEX. 



Atrium, 198 



Auk, great, 541 



Aurelia aurita, 63 

 flavidula, 65 



Auriculari a, 132 



Aurocb, 612 



Autechinida, 123, 126 



Autolycus, 235 



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, 019 



BABOON, 620 

 Balsena mysticetus, 592 

 Balseniceps rex, 545 

 Balfenoptera boops, 592 

 Balanoglossus aurautiacus, 219 

 Balanus balanoides, 293 

 Balatro, 179 

 Baphetes, 483 

 Barnacle, 292 



anatomy of, 293 

 Barramundi fish, 430 

 Bathycrinus, 101 

 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, 379, 385 

 Beetles, 372 



oil, 372 



Belone lougirostrus, 454 

 Bilateral symmetry of Ctenophora, 

 92, 93 



Echinoderms, 96, 120 

 Bilharzia hsematobia, 152 

 Bill fish, 454 

 Bimana, 624 



Bipalium dendrophilus, 143 

 Bipinuaria, 113 

 Birds, diving, 541 



of prey, 548 



perching, 551 



raptorial, 548 



swimming, 543 



(Also see Aves.) 

 Bison, 611 



Bladder, swimming, of fishes, 442 

 Blastoidea, 107, 109 

 Blind fish, 442, 444, 453 



shrimps, 315 

 Blissus leucopterus, 370 

 Blister beetles, 373 

 Blood, circulation of, 635 

 Blood corpuscles, 8 

 Blue-fish, 455 

 Boa-constrictor, 496 

 Bolina alata, 92, 93 

 Boltenia reuiformis, anatomy of, 



197 



Bonellia viridis, 224 

 Bootherium, 610 

 Bopyrus pandalicola, 308 

 Bos longifrons, 612 



primigenius, 612 



taurus, 613 

 Botfly, 375 



Bothriocephalus latus, 159 

 Box-fish, 462 

 Brachiata, 101, 109 

 Brachiolaria, 113 

 Brachionus, development of, 178 



