INDEX 



941 



Birds, feathers of, 734. 



— flight of, 756. 



— fore and hind limbs of, 729. 



— general characters of, 725. 



— migration of, 762. 



— moulting of, 761. 



— nests of, 760. 



— pedigree of, 774. 



— position of organs in, 727. 



— rib of, 740. 



— skull of, 739, 741. 



— song of, 758. 

 Birgus, 353. 

 Bitterling, 630. 

 Bivalves, 8, 467, 479- 

 Bivium of starfish, 292, 295. 

 Black coral, 205. 

 Bladder of frog, 662. 



— of lizard, 701. 



— of Mammals, 781. 



— worms, 11, 223, 229. 



diagrams of, 230. 



Blastocyst, 821. 

 Blastoderm, 81. 

 Blastoidea, 291, 3i4' 

 Blastomere, 78. 

 Blastopore, 81. 

 Blastosphere, 81. 

 Blastula, 81. 



Blatta, 370. 



Blind spot of eye, 552. 



Blood, 32, 48, 49- 



— of frog, 665. 



— of Mammals, 780, 803. 



— of scorpion, 414. 



— corpuscles, 560, 803. 

 Blow-fly, development of, 401. 

 Blue coral, 196. 



Boa, 707. 709. 

 Body, animal, 22. 



— cavity, 393. 



of Amphioxus, 521. 



of Arenicola, 259. 



of Balanoglossus, 492. 



of crayfish, 330. 



of earthworm, 248. 



of Insects, 393. 



of Teleostean, 360. 



of Vertebrates, 559. 



Bojanus, organ of, 453. 

 Bombinator, 677. 

 Bombus, 377. 



Bombyx, life-history of, 399. 

 Bone, 48. 



Bonellia, 244, 269, 269. 

 Bony pike, 639. 

 Book scorpions, 416. 

 Boophilus, 424. 

 Bos, 852. 



Bothriocephaiidae, 229. 

 Bothriocephalus, 223, 229. 

 Bothriolepis, 586. 

 Bothrioolana, 214. 

 BotryUus, 507, 508, 514- 

 Bottie-nose, 487. 

 Bougainvillea, 181', 204. 



Bovidae, 852. 

 Box, 628. 

 Brachiolaria, 317. 

 Brachionus, 282. 

 Brachiopoda, 11, 244, 287, 287. 

 Brachyodont, 817. 

 Brachyura, 353. 

 Brackish water fauna, 899. 

 Bradypodidas, 843. 

 Bradypus, 778, 843, 844. 

 Brain of bee, 379. 



— of pigeon, 744, 746. 



— of rabbit, 797, 798. 



— of skate, 597. 



— • of Vertebrates, 539. 540. 



— summary of parts of, 542. 

 Branchellion, 279. 

 Branchiae = Gills, 588. 

 Branchial arches, 533. 



— arteries of tadpole, fate of, 675 



— sense organs, 547. 

 Branchiobdella, 266. 279. 

 Branchiopoda, 339, 

 Branchiostegal rays, 620. 

 Branchiostoma, 528. 

 Branchipus, 339. 

 Branchiura, 264. 

 Breast bone, 537. 

 Brine-shrimps, 339. 

 Brisinga, 298. 

 Brittle-stars, 10, 298. 

 Brontosaurus, 720. 

 Bryozoa, 11, 286. 



Bubonic plague, parasite ot, 411. 



Buccinum, 441, 474. 



Buckie = Buccinum, 441, 466, 476, 477- 



Budding, 62, 169. 



Bufo, 677. 



Bugs, 384. 406. 



Bulbus arteriosus, 561. 



Bulimus, 220, 223. 



Bull-heads, 641. 



Bulla, 474. 



Bunodont, 816. 



Bursa Fabricii, 748. 



Buthus, 414. 



Butirinus, 641. 



Butterflies, 384, 387, 406. 



Butterfly, 9. 



Byssus, 455. 



Caddis flies, 406. 



Caeca, ■> 48. 



Caecilia, 551, 680. 



Caecum of rabbit, 802, 802. 



Caenolestes, 837, 841. 



Ca'ing whale, 864. 



Calamistrum of spider 420, 421. 



Calamoichthys, 636. 



Calanus, 343. 



Calcaneum, 797. 



Calcarea, 163. 



Calcareous bodies, 548. 



Caligus, 343. 



Callidina, 282. 



Callionymus, 627. 



