334 



INDEX OF NAMES 



Solen, spp., adaptive form, 74 



parasitised, 148 



locomotion, 167 



nervous system, 226 



eye, 329 



economic aspect, 287 

 Spelotrema excellens, parasitic, 147 

 Spio, reproduction, 266 

 Spirographis spallanzani, tropism, 



232 

 Spirorbis, habitat, 49 



epizoic, 134 



reproduction, 264 

 Spongelia fragilis, habitat, 49 

 Spongilla, temperature range, 77 



reproduction, 258 

 Stenorhynchus, feeding, 193 

 Sthenelais boa, habitat, 49 

 Stomatopoda, reproduction, 267 

 Strombus luhuanus, invader, 54 

 Strongylocentrus lividus, in combat, 



107 

 Stylotella, contra ctiHty, 219 

 Suberites domuncula, commensal, 



13s, 136 



nutrition, 186 



reproduction, 258 

 Sycon, spp., habitat, 49 



larva?, 247 



reproduction, 260 

 Syllidae, self-division, 126 



reproduction, 264 

 Synaptidae, self-division, 128 



Talitrus locusta, habitat, 49, 53 

 temperature range, 79 

 locomotion, 167, 171 



Talorchestia longicornis, locomotion, 

 166 



Tapes pullastra, adaptive form, 74 



Tealia crassicornis, masking, 92 

 behaviour, 221 



Technitella, shell construction, 242 



Tectarius, hahhXaX, 51 



Tellina, spp., habitat, 52 



salinity conditions, 81 

 fish-food, 198 



Terebella, spp., tube, 102, 241 

 reproduction, 264 



Terebellides sirosmi, reproduction, 264 

 Terebripora, epizoic, 86 

 Teredo, spp., borers, 169-70 



salinity conditions, 82 

 Tergipes despectus, autotomy, 129 



spawn, 274 

 Tetrarhynchiis, symbiotic, 149 

 Thysanura, of sea-shore, 309 

 Trematoda, parasitic, 146, sqq. 

 Triticella, epizoic, 86 

 Triton, regeneration, 115 

 Tritonia plebeia, protective resem- 

 blance, 96 



feeding, 194 

 Trochicola enterica, parasitic, 146 

 Trochon carinatiis, defensive adapta- 

 tion, III 

 Trochus, spp., host, 146 



respiration, 209 



sense organs, 228 



reproduction, 270 



spawn, 271 

 Tubifex benedeni, habitat, 49 

 Tubularia, spp., behaviour, 222 



reaction to contact, 236 



reproduction, 260 

 Turbellaria, power of adhesion, 69 



locomotion, 159, 16 1-2 

 Turbinella rapa, aesthetic aspect, 301 

 Typhis tetrapterus, defensive adapta- 

 tion, III 



Ulva, spp., growth conditions, 45 

 description, 307 

 in polluted water, 299, 300 



Venus, spp., adaptive form, 74 



economic aspect, 287, 301 



Zebrida adamsii, mimicry, 100 

 Zenobiana prismatica, tube, 104 

 Zoarces viviparus, reproduction, 249 

 Zoochlorellae, symbiotic, 150 

 Zooea, larva, 267, 269 

 Zooxanthellae, symbiotic, 150 

 Zostera, spp., economic aspect, 291, 



294 

 Zygobranchiata, respiration, 209 



