of the Fishery Board for Scotland. 



189 



Crab, edible, contributions to life-history 



of, (22) 100; (23) 154. 



description of eggs of, (18) 88. 



description of swimmerets of, 



(22) 110. 



development of ovary of, (18) 



31. 



distribution of, (18) 113 ; (22) 



122. 



■ — effect of cold on movements of, 



(22) 125. 



external sexual characters of, 



(18) 99. 



exuviation in, (18) 104. 



— — frequency of casting in, (18) 



109. 



fry of, (23) 154. 



fry, vitality of, (23) 154. 



hard and soft, (18) 102, 105. 



hatching of, (21) 181 ; (23) 154. 



impregnation in, (22) 101. 



increase of size in casting, (18) 



110. 



life-history of, (18) 77. 



migration of, (18) 119, 125; 



(22) 135. 



mode of attachment of eggs in, 



(22) 108, 115. 



muscular system of, (22) 103. 



number of eggs of, (18) 89. 



periodicity oil spawning and 



casting in, (22) 121. 

 period of hatching of eggs of. 



(18) 88. 



process of fertilisation in, (18) 



82. 



process of hardening in, (18) 



107. 



proportional numbers of the 



sexes in, (18) 99. 

 rate of growth of, (18) 113; 



(22) 125. 



regeneration of limbs in, (18) 



111. 



regulation of fishery for, (18) 



77, 134. 



relation of migrations of, to 



temperature, (18) 124. 



repair of injuries in, (18) 111. 



ripe eggs of, (22) 112. 



size of, at maturity, (18) 79. 



spawning of, (18) 85, 88 ; (22) 



108. 



spermatheca of, (22) 105. 



statistics of fishery of, (18) 134. 



zoea of, (18) 88. 



shore. See Garcinus manias. 



Crangon allmanni, (6) 260 ; (15) 132 ; (16) 

 156, 210 ; (20) 489, 491, 510, 513, 516, 

 520, 522, 523, 524, 525, 535, 536. 



bispinosus, (6) 260. 



fasciatus, (4) 156; (9) 309. 



nanus, (6) 260 ; (20) 480, 522. 



neglectus, (4) 155 ; (9) 309. 



vulgaris. See Shrimp. 



Crania anomala, (15) 129. 



Crenilabrus melops. See Goldsinny. 



Cressa dubia, (10) 262; (15) 139; (17) 

 265. 



schiodtei, (10) 262. 



N 



Cribella oculata, (20) 310. 



madreporite of, (6) 280. 



spawning period of, (4) 216. 



Cribropontius normani, (20) 472. 

 Grisia denticulata, (15) 157. 



eburnea, (15) 157. 



Gristatella muceda, (14) 239, 242; (15) 

 318. 



Cristellaria calcar, (7) 314. 



crepidida, (7) 314 ; (15) 166. 



rotidata, (7) 314; (15) 166. 



Cromarty Firth, echinoderms of, (20) 304. 

 physical and chemical examination 



of the water of, (6) 313, 320, 336. 



trawling investigations in, (20) 93. 



Cromarty, trawling investigations off, (21) 



17 ; (22) 21, 43, 47. 

 Cross-fertilisation of fish, experiments in, 



(8) 358. 



of grey gurnard with whiting, (8) 



358. 



of lemon dab and turbot, (8) 358. 



of lumpsucker with flounder, (8) 358. 



Cross-fish. See Asterias nd)ens. 



Cruise of the "Jackal," (7) 412. 



Cruisers, duties in reporting vessels fish- 

 ing, (20) 89. 



Crustacea as food of cod, (4) 136, 146. 



as food of haddocks, (4) 129. 



decapod, life-history of, (22) 100. 



mode of attachment of eggs in, 



(22) 116. 



of Firth of Forth, (16) 156. 



relation of yolk to size and de- 

 velopment of zoea, (19) 114, 115. 



from Clyde and Moray Firth, (17) 



248. 



larval stages of decapod, (19) 92. 



larval and young of Firth of Forth, 



(16) 197. 



notes on, (18) 382. 



of brackish water, (15) 317^ 



of Firth of Clyde, (16) 277. 



of Firth of Forth, (6) 235. 



of Loch Fyne, (15) 129 ; (16) 292. 



of Loch Lomond, (17) 139. 



of plankton collected by "Garland," 



(16) 156. 



parasites of, (22) 250, 254. 



pelagic eggs of, (17) 114. 



significance of metamorphosis in the 



higher, (19) 115. 

 Crustacean parasites of fishes, (18) 144 ; 



(19) 120 ; (20) 288. 

 Gryptothiria balani, (6) 251 ; (15) 136. 

 Crystallogobius in Clyde, (15) 252. 



in Moray Firth, (15) 257. 



nilssonii, post-larval form of, (13) 



232. 



Ctenolabrus rupestris. See Goldsinny, 

 Jago's. 



Ctenophora of Firth of Forth, (16) 194, 

 196. 



of Faeroe- Shetland Channel, (15) 



307, 308, 309, 310. 

 Cuckoo ray. See Ray, cuckoo. 

 Cucumaria frondosa, (20) 306, 319, 321. 



fucicola, (20) 306, 319, 324. 



hyndmani, (15) 162. 



lactea, (20) 306, 319, 324. 



