5S4 



PoLii;Min\"iUea, 131 

 BoviiUo, 5OQ 

 Bow fin, 50S 

 Brachialia, 300 

 Brachiolaria, 2114 

 Brachionus, jbo 

 Brachiopoila, jS; 

 BrachvLCra, 431 

 Eraconiila'. 4^6 

 Bradypui. 5(13 

 Brain coral, J32 

 Brain of verlebratci, 400 

 Branchiae, 07 

 Branchial archc;;, 460 



chamlicr, 44J 



clefts, 43S 



heart, 343 



tree, 307 

 Branchiata, 350 

 Branchiopoila, 366 

 Branchionieric, 4D0 

 Branchioste.sjite, 377 

 Branchiostegal memhrane. 



5°- 



rays, 407 

 Branchipus, 365, 366 

 Branchiura, 370 

 Braula, 431 

 Brevilinguia, 530 

 Brine shrimp, 306 

 Erissus, 306 

 Bristle tails, 410 

 Brittle stars, jij^ 

 Bronchioles, 4.^0, 555 

 Bronchus, 4S;, 555 

 Bryozoa, 2S4 

 Bubalus, 561) 

 Bitbo, 544 

 Bubonic plague, 431 

 Buccal cayit^^ 94 

 Buccinidre, 334 

 Buceronlidie, 544 

 Budding, 128 



of cells, 50 



and germ layers, 14S 

 Buff^alo, 569 

 Bufo, 520 

 Bugs, 427 



bed, 428 



June, 424 



pill, 386 



salve, 3S6 



sow, ;^^6 



stink, 42S 

 Bugula, 2S7 



