INDEX 



453 



Corals, 



feeding reflex of, 230 

 hermaU'pic, 270 

 host-symbioiit relationships, 271 

 productivity of, 266, 277 

 symbiosis in, 271 

 zooxanthellae in, role of, 263, 274 

 Coral reefs, 



bioniass of, 270 

 characteristics of, 269 

 defined, 269, 279 

 C.ordylophora, 



action potentials of, 293 



asexual colony development, 292 



colony model, 290 



culture solution for, 287 



culture solution on, 294 



cultivation of, 287 



development of, 287-295, 299 



development of individual colonies, 



292 

 feeding reflex of, 226 

 growth, 



doubling time of, 288 



exponential, 288 



inliibition of, 355, 356 



pattern of, 311 



of tubes, 290 

 hydranth, induction of, 420 

 longevity of, 311 

 mitosis in, 313 

 nerve cells of, 69, 70, 72 

 nervous system, ectodennal, 70 

 pCO. on, 295, 356 

 perisarc of, 357 

 peristalsis of, 288, 379 

 reconstitution of, 305 

 regeneration of, 307, 308 

 regression in, absence of, 315 

 secondary stolons of, 290, 292 

 sexual differentiation of, 358 

 side branch of, 290 

 stolon tubes of, 289 

 time-lapse movies of, 288 

 trypan blue, stained with, 292 

 uprights of, 287, 290-292 

 upright spacing of, 294 

 Corchjhphora lacustris, see also Cordi/lo- 



phora, 69, 287, 299 

 Craspedacitsta, 317-336 passim 

 asexual reproduction of, 318 

 budding patterns of, 317, 320 

 budding sef]uence of, 320 

 buds of, 319 

 colony growth of, 328 

 feeding of, 320 



Craspedacusia, 



feeding rates on budding, 329 



frustule production, 318 



growth in laboratory, 320 



habitat of, 317 



life cycle of, 317 



medusoid buds of, 318 



nutrition on budding, 325, 331, 335 



polyp, 



capitulum of, 317 

 collection of, 320 

 colony of, 317, 319 

 regions of, 317 

 size of, 317 

 shape of, 317 



secretes mucus, 317 



temperature on budding, 321, 325, 

 330-334 

 Craspedacusta sowcrbii, see also Craspe- 

 dacusia, 317, 336 

 Crowding, influences halo zone, 340 

 Cultivation, 



of AntJioplctua vie aunt issima cells, 245 



of Caiupanularia, 302 



of Chloroliydra viridissima, 259 



of Cordijloplwra, 287 

 Culture condition, on upright spacing, 



Cordijloplwra, 294 

 Culture solution, 



for Cordijlophora, 287 



for Chloroliydra viridissima, 259 

 Cuticle, 2, 12," 42 

 Cyanea arctica, 179, 180, 356 



strobilization of, 335 

 Cytoplasmic bridge, 



of interstitial cells, 12 



see also Intercellular bridge 



Daphnia, 356 

 Dedifferentiation, 314 



and redifferentiation, of cnidoblasts, 

 314 

 Depression, on regeneration, 406 

 Deoxyribonucleic acid, see DNA 

 Desmonemes, 189, 195 



role of, 194 

 Desmosome, 5, 52-55, 66 



of Campamdaria, 66 



of Chloroliydra, 55 



epidermal, 54 



nomenclature of, 65, 66 



postulated function of, 62 



septate form of, 62 



temiinal bar, 54 



see also Terminal bars 



