of the Fishery Board for Scotland. 
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) 
al. 
—-— —— 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 of 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. 
—— —— tipe 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. 
—— —— z0éa of, (18) 88. 
—— shore. See Carcinus menas. 
Crangon allmanni, (6) 260 ; (15) 132; (16) 
156, 210; (20) 489, 491, 510, 513, 516, 
520, 522, 523, 524, 525, 535, 536. 
—— bispinosus, (6) 460. 
—— 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; 
265. 
—— schiodtei, (10) 262. 
Ni 
(17) 
189 
Cribella oculata, (20) 310. 
—— —— madreporite of, (6) 280. 
—— spawning period of, (4) 216. 
Cribropontius normant, (20) 472. 
Crisia denticulata, (15) 157. 
eburnea, (15) 157. 
Cristatella muceda, (14) 239, 242; (15) 
318. 
Cristellaria calcar, (7) 314. 
—— crepidula, (7) 314; (15) 166. 
—— rotulata, (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) 215 43) 47. 
Cross-fertilisation of fish, experiments in, 
(8) 358. 
of grey gurnard with whiting, (8) 
58 
—— of lemon dab and turbot, (8) 358. 
of lumpsucker with flounder, (8) 358. 
Cross-fish. See Asterias rubens. 
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 zoéa, (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. 
Cryptothiria balani, (6) 2513 (15) 136. 
Crystallogobius in Clyde, (15) 252. 
—— in Moray Firth, (15) 257. 
—— nilssonit, post-larval form of, (13) 
© 
“aon. 
Ctenolabrus rupestris. 
Jago’s. 
Ctenophora of Firth of Forth, (16) 194, 
196 
See Goldsinny, 
—— of Faerée-Shetland Channel, (15) 
307, 308, 309, 310. 
Cuckoo ray. See Ray, cuckoo. 
Cucumaria frondosa, (20) 306, 319, 321. 
—— fucicola, (20) 306, 319, 324. 
—— hyndmama, (15) 162. 
—— lactea, (20) 306, 319, 324. 
