INDEX 



265 



B 



Babesia, 229 

 Balanoglossus, 258 

 Balantidium, 57 

 Balamis, 215, 223 

 Barnacles, 215 

 Barnea, 201 

 de Bary, 22 

 Basal granules, 30, 52 

 Basals, 180 

 Basipodite, 206 

 Basket stars, 174 

 Bdelloida, 143 

 Bdelloiira, 125 

 Beach fleas, 221 

 Beak, 229 

 Beroe, 103 

 Beroida, 101, 103 

 Bicosoeca, 56 

 Binary fission, 7 

 Biogenesis, law of, 17, 255 

 Bipinnaria, 173 

 Biramous appendages, 205 

 Birth habits, 18 

 Bivium, 171 

 Bladderwprm, 120 

 Blastoderm, 247 

 Blastoidea, 179, 182 

 Blastomeres, 14 

 Blastopore, 16, 70 

 Blastula, 13 

 Blepharoplast, 30, 31 

 Blood gills, 73, 245 

 Blood-suckers, 155 

 Bodo, 56 



Bojanus, organs of, 189 

 Bolinopsis, 103 

 Book lungs, 73, 74 

 Boophilus, 229, 236 

 Bosmina, 212, 222 

 Bothrimonus, 122 

 Bothriocephalus, 122, 126 

 Bougainvillia, 102 

 Boveri, 130 

 Brachiolaria, 173 

 Brachionus, 143 

 Brachiopoda, 159, 161, 164 



Bracts, 93 



Brain, 78, 110, 141, 148, 204 



Branchiae, 170 



Branchinecta, 222 



Branchiopoda, 210, 222 



Branchiura, 208, 222 



Breeding habits, 17 



Bristle jaws, 146 



Brittle stars, 174 



Brood sac, 190, 211, 212, 221 



Bryozoa, 159 



Buccinum, 201 



Bucephalus, 125 



Budding, 7, 27 



internal, 8, 48 

 Bugula, 160, 164 

 Bulimulus, 197 

 Bulla, 201 



Bursa, copulatory, 136 

 Bursae, 174 

 Bursaria, 57 

 Busycon, 201 

 ButschH, 130 

 Buthus, 234 

 Buttons, 186 

 Byssus gland, 188 



C 



Cadulus, 201 

 Calcarea, 87 

 Calkins, G. N., 21, 38 

 Callinectes, 223 

 Calonympha, 31 

 Calyx, 180 

 Cambarus, 223 

 Campanella, 102 

 Campanularia, 102 

 Campelonia, 201 

 Cancer, 223 

 Candona, 215, 223 

 Caprella, 222, 223 

 Capsular membrane, 40 

 Carapace, 205, 206 

 Carchesium, 58 

 Carcinus, 223 

 Cardium, 201 

 Carinaria, 196, 201 

 Carinella. 126 



