INDEX. 



617 



Wmia squatina, 570 



Rhizaxinella eloiigata, 308 ; distribution 



of, 301 

 Rhopalomenia aglaopheniae, 367 

 Rocinela damnoniensis, 351 



Sabella pavonina, 65, 78, 346 

 Sabellaria alveolata, 66 



— spinulosa, 348 



Sabellidae,key to the genera and species 

 found on the French and English 

 coasts of the Channel, 78 



— of Torquay, 64 

 Sacculina carcini, 349 



Sagartia miniata, 238, 239, 240, 332; 

 colour variation, 230 



— nivea, 238, 239, 240 



— ornata, 236 



— pallida, 238 



— rosea, 239, 240 



— sphyrodeta, 238, 239, 240 



— undata (S. troglodytes), 233 

 —venusta, 239, 240 

 Salmacina Dysteri, 81 

 Salpingoeca ampulla, 577 



— napiformis, bll 



— urceolata, bll 



— vaginicola, 577 

 Sazicava ardica, 378 

 Scala clathrns, 369 



— turtoni, 369 

 Scalpellum vulgare, 349 

 Scaphander lignarius, 371 

 Schizoporella discoidea, 365 



— johnstoni, 365 



— linearis, 365 



— unicornis, 365 

 Scione maculata, 76 

 Scolecolepis fuliginosa, 62 



— vulgaris, 62 

 Scolelepis fuliginosa, 7 1 



— vulgaris, 71 



Scomber scomber, blood parasites in, 

 570, 571 



— See also Mackerel 

 Scrupocellaria scruposa, 361 

 Scy Ilium canicula, 383 

 Sea-urchins, characters of, 139 

 Sepia elegans, 378 



Sepiia officinalis, 378 



— sp., 379 



Sepiola athoifica, 379 



Serpula vennicularis, 66, 81, 346 



Serpulidae, key to genera and species 



of the French and English coasts of 



the Channel, 80 



— of Torquay, 66 



Serranus cabrilla, 384 ; eggs of, 8 

 Sertularella gayi, 327 



— polyzonias, 327 



— tenella, distribution of, 300, 327 

 Sert^daria abietina, 329 



— argentea, 329 



Sexton, E. W. The Amphipoda col- 

 lected by the Hxixley from the 

 north side of the Bay of Biscay in 

 August, 1906, 199 



— Description of a new species of 

 Brackish-water Gammarus {G. chev- 

 reuxi, n. sp.), 542 



Sexton, E. W., and Matthews, A. Notes 



on the Life History of Gammarus 



chevreuxi, 546 

 Shearer, C. The Problem of Sex 



Determination in Dinophilus gyro- 



ciliatus, 156 

 Shearer, C, De Morgan, W., and Fuchs, 



H. M. Preliminary Notice on the 



Experimental Hybridization of Echi- 



noids, 121 

 Sigalion mathildae, 60 

 Siphonochalina montagui, 310 

 Siphonoecetes colletti, 219, 224 

 Siphonostoma affinis, 64 



— tyjMe, examined for blood iiarasites, 

 570 



Slipper-Limpet, the natural history of 



the, 437 

 Smittia reticulata, 364 



— trispinosa, 364 

 Solastcr papposus, 335 

 Solea lascaris, eggs of, 20 



— lutea, eggs of, 18 ; Ijlood parasites in, 

 570 



— varieguta, 385 ; eggs of, 19 



— vulgaris, eggs of, 18 ; blood parasites 

 in, 570, 571 



Spatangus jjurjmreus, 338, 537, 540 



— liaschi, 537, 540 



