666 



INDEX. 



Crawshay, L. R. Notes on Experi- 

 ments in the Keeping of Plankton 

 Animals under Artificial Conditions, 

 555 



— A Method of Separating Sponge 

 Spicules by Filtration, 590 



Crenilabrus melojys, 113; host of Le- 

 brmria, 475, Peracreadium, 475, 

 Synaptobothrium, 486 



— rupestris, 113 



Crepidula, endostyle of, 303 ; rate of 

 growth, 320, 323 ; age of sex-change, 

 322 



Grisia cornuta, 108 



— denticulata, 108 

 Crustacea, rate of growth in, 317 

 Crystallogobius niUsoni, 372 

 Ctenodrilus pardalis, 596 

 Ctenolabrus rupestris, 347, 392 ; host of 



Lebouria, 475, Helicometra, 476 

 Cucumaria elongata, 227, 229 



— fro7idosa, 223 



— hyndmanni, 223 



— lefevrei, 226 



— montagui, 222, 225 



— normani, specific characters, 211 ; 

 synonymy of, 223, 225 



— pentactes, 223, 231 



— planci, 223 



— saxicola, specific characters of, 211 ; 

 synonymy of, 223, 225 



Cyathura carinata, 239 



Cycloguster montagui, 376 ; host of 



Podocotyle atomon, 473 

 Cyclopterus lumpus, 113, 376 ; host of 



Phai-yngora, 478, Derogeiies, 487 



D 



Dasychone, growth rate in, 316 



Dasychone bombyx, 642 



De Morgan, W., and Drew, G. H. A 

 Study of the Restitution Masses 

 formed by the Dissociated Cells of 

 the Hydroids Antennidaria ramosa 

 and A. antennina, 440 



Dendy, A. On the Occurrence of 

 Aphroceras {Leucandra) cliarensis 

 Stephens near Plymouth, 258 



Derogenes various, 471, 487, 497, 498, 



499, 501, 502, 503 

 Derogenoides ovacutus, 471, 487, 498 

 Desmarestia aculeata, 105 

 Dexamine spinosa, 111 

 Diatom cultures in artificial sea-water, 



417, 425, 570 

 Dictyosiphon foeniculaceus, 105 

 Dictyota dichotoma, 105 

 Dinophihis gyrociliatus, 595 

 — taeniatus, at Cardigan Bay, 107 ; 



rate of growth, 316; at Plymouth, 



595 

 Dodecaceria concharum, 632 

 Donax vittatus, 111 

 Doto coronata, 1 10, 323 

 Dromia vidgaris, 112 



E 



Echinodermata of Cardigan Bay, 106 

 Echinoderras, Develoj^ment of, 1 



Echinus acidus, experiments with, 55, 

 57, 256, 464 



— escule7itus, experiments with, 56 ; 

 256, 464 



- — miliaris, experiments with, 55, 57, 



465 ; breeding habits, 254 

 Ectocarpus confervoides, var. siliculosa, 



105 



— tomentosHS, 105 

 Edwardsia claparedi, 61 



— timida, 60 

 Elachista fucicola, 105 

 Eloadis mazeli, 68, 70 

 Enteromorpha compressa, 105 



— intestinalis, 105 



— linza, 105 

 Ephesia gracilis, 625 



— peripatus, 626 

 Eteone picta, 616 



— pusilla, 618 

 Eidalia aurea, 615 



— bilineata, 615 



— Claparedii, 616 



— (Eumida) mngidnea, 616 



— nebulosa, 616 



— obtecta, 614 



— ornata, 615 



— pallida, 616 



