B 



Balanoglossiis. 146 

 Balanophyllia. 1 10 

 Balantidiiim, 53 

 Balaniis. 233. 234*. 235* 

 Barber-shop shrimp (90) 

 Barnacles, 233. 234* 

 Barrier reefs, 1 13 

 Basket star, 285 (134) 

 Batbyplotes. 275 

 Bdelloid rotifers, 138 

 Bdelloiira. 123 

 Beach fleas. 235 

 Bean shells. 188 

 Bear animalcules. 226*, 227 

 Beard worms, 148* 

 Bear's-paw clam, 192 

 "Beche-de-mer." 274. 275* 

 Beroe. 116. 118 

 Bilateral symmetry, 14 

 Binary fission, 20 



Bipciliuin. 123 



Birgiis. 238 (102) 



Bispira (84) 



Black corals. 1 13 



Black pearls. 187 



Black widow spider, 245 (113) 



Blood fluke, 119, 126 



Bloodsucker, 225 



"Bluebottle," 75 



Boat shell. 180 



Bodo, 26 



Bolinopsis, 1 1 8 



Boloceroides. 108 



Boiii'llia. 157* 



Bootlace worm, 129. 130* 



Botryllus (142) 



Brachiopoda. 154, 155* 



Brachyura. 238 



Brain corals. 108*. 109 (27) 



Branchellion. 225 



Branchiocerianlhtis, 71. 72 

 "Brandling," 206 

 Breadcrumb sponge ( 1 ) 

 Brine shrimp. 229* 

 Bristle-footed worms. 202*. 206 

 Brittle star, 254, 284 ( 131-133) 

 "Brown bodies," 150 

 Bryozoa, 15, 150, 151* (33) 



(34) 

 Bubble shell (57) 

 Budding, 20 

 BiigiiuC I5i (34) 

 Bunodciclis. 107 (21) 

 Busy con ( 1 04 ) 

 "Butterfly fish," 159 

 "Butterfly shells," 189, 191* 

 Byssus, 187 

 "By-the-wind sailor," 75 



c 



Caecum, 177 

 Cake urchin, 283 

 Calanus. 231. 232* 

 Calcarea, 59 

 CalUactis. 106, 107 (15) 

 CalUnectes, 239 

 Calliostoma (52) 

 Cambarus, 237 (94) 

 Cameos. 181 

 Cancer. 239 (96) 

 Caprella. 235, 238* 

 Carapace, 235 

 Carchesium, 54 

 Carcinides. 239 (95) 

 Carcinoneniertes. 132 

 Carcinoscorpius. 243 

 Cardisoma (98) 

 Cardium, 191 



Carteria. 25 

 Carybdea, 80 

 Caryophyllia, 110 (23) 

 Cassiopeia. 97, 98* 

 Cassis. 181 

 "Cat's eyes." 1 15 

 Caudina, lib 



Centipedes, 226*. 240*, (117) 

 Centrostephanus, 281 

 Centruroides. 248 

 Cepaea ( 50 ) 



Cephalochordata, 286, 288 

 Cephalodiscus, 147 

 Cephalopoda, 194 

 Cephalothorax, 235 

 Ceramaster. Ill (130) 

 Ceratia, 182 

 Ceratium, 23*, 24 



Ceralosoma (65), (66) 

 Cercaria, 125 

 Cerebratulus. 131, 132 

 Cereus. 108 

 Cerianthids, 104 

 Cerianlhus. 114, 149 (32) 

 Cestids, 118 

 Cestoda, 126 

 Cestodaria. 127 

 Cesium. 118 

 Chaetognatha, 15, 144 

 Chaetopleiira. 1 60 

 Chaetoptenis. 203, 204* 

 Chagas's disease, 27 

 Chainworm, 201 

 Chalk, 30 

 Chama. 188 

 Charonia, 181 



294] 



