of the Fishery Board for Scotland. 
Cyclotella operculata, (9) 27+. 
Cycnus pallidus, (18) 160 ; (19) 127. 
Cylichna cylindracea, (15) 115. 
— nitidula, (9) 309. 
Cylindroleberis marie, (8) 325. 
Cylindropsyllus fairliensis, (17) 258. 
—— levis, (8) 320; (10) 258; (15) 151; 
(20) 468. 
minor, (10) 260; (18) 394. 
Cymatopleura solea, (9) 274. 
Cymbasoma rigida, (7) 316; (8) 332; 
304; (22) 248. 
Cymbella anglica, (9) 274. 
—— cistula, (9) 274. 
—— cymbifornus, (9) 274. 
Cynoglossine, (18) 351, 352, 358, 359. 
Cynoglossus semileevis, (18) 359. 
Cynthia armata, (4) 162; (7) 323. 
flemingii, (4) 162; (6) 255. 
Cypria exculpta, (8) 338, 340, 341; (9) 
272, 276, 284, 286; (15) 321; (17) 155, 
159, 164, 173, 183, 189. 
—— levis, (9) 276, 283, 286, 288; (13) 
188, 249 ; (16) 260. 
—— ophthalmica, (8) 336, 337, 338. 340- 
342 ; (9) 272, 276, 282-284, 286, 288 ; 
(11) 230 ; (13) 188, 245, 249; (15) 321, 
333 ; (16) 252 ; (17) 140, 145, 150; 155, 
159, 164, 168, 183 ; (20) 505. 
—— serena, (8) 336, 337, 340-342; (9) 
272, 275, 276, 282-284, 286-288; (11) 
229, 230 ; (12) 286 ; (13) 188, 245, 250 ; 
(14) 168; (16) 259, 260. 
Cypridina marie, (8) 325. 
Cypridopsis aculeata, (9) 283, 286; (13) 
245 ; (15) 318. 
—-— newtoni, (17) 160, 183. 
—— obesa, (8) 343. 
vidua, (8) 339-341, 343; (9) 272, 
276, 282, 283, 286 ; (13) 188, 245, 250 ; 
(14) 239. 
—— villosa, (8) 336, 337, 339-341, 343 ; 
(9) 272, 276, 282-284, 286, 288; (13) 
188, 245 ; (14) 239 ; (15) 321, 333; (16) 
252, 260 ; (17) 140, 160, 164, 173, 183. 
Cyprina, sp., (20) 527. 
—— islandica, (7) 317, 341; (15) 126. 
Cyprinotus prasimus, (15) 318. 
Cyprinus carpio. See Carp. 
Cypris acuminata, (8) 344. 
—— ajffinis, (8) 342. 
—— browniana, (5) 328, 330. 
—— candida, (8) 343; (11) 230. 
—— cinerea, (5) 328 ; (8) 342; (11) 230. 
—— compressa, (8) 342, 344; (11) 230. 
——- elongata, (8) 343. 
—— exsculpta, (8) 341. 
—— fabeformis, (8) 344. 
Suscata, (9) 286; (13) 245, 250 ; (17) 
164, 173, 183. 
—— gibba, (8) 344. 
—— globosa, (8) 342; (11) 230. 
—— granulosa, (8) 341. 
-—-— mcongruens, (9) 282; 
(9) 
(17) 159, 183, 
—— jurinit, (5) 328 ; (8) 343. 
—— levis, (8) 342; (11) 230. 
—— obliqua, (9) 276, 280, 282 ; (14) 168; 
(16) 252 ; (17) 140, 155, 183, 189. 
—— ornata, (8) 343, 
191 
Cypris prasina, (9) 285, 286, 288. 
—— pubera, (9) 276; (17) 159, 161, 167, 
168, 183, 189. 
—— reticulata, (8) 339, 340, 342; (9) 
284; (15) 319, 321. 
—— reptans, (8) 342. 
—— sella, (8) 343. 
—— serena, (8) 342; (11) 229. 
—— striolata, (8) 341. 
—— strigata, (8) 342. 
—-— tessellata, (8) 342. 
—— tumefacta, (5) 328 ; (8) 343. 
—— vidua, (8) 343. 
—— virens, (5) 328; (9) 286; (14) 168, 
239; (17) 164, 183. 
—— virens, var. monolifera, (5) 329. 
—— westwoodit, (8) 343. 
Cyproidia brevirostris, (18) 401. 
—— damnoniensis, (15) 138; (18) 401. 
Cyprois flava, (17) 168, 183, 190. 
Cyrianassa elegans, (4) 164. 
Cyrtophium tuberculatum, (19) 266. 
Cythere albomaculata, (6) 243; (15) 142. 
—— angulata, (6) 243 ; (15) 148. 
—— antiquata, (6) 243; (15) 143; (20) 
497. 
—— aurantia, (7) 318. 
—— castanea, (7) 317. 
—— cluthe, (5) 328 ; (11) 142. 
—— concinna, (6) 243; (15) 148; (20) 
503, 523. 
—— confusa, (7) 317 ; (9) 288; (15) 142; 
(20) 527. 
—— convexa, (6) 243; (15) 142. 
—— crispata, (6) 243; (15) 142. 
cuneiformis, (7) 317. 
—— cyamos, (6) 243. 
dunelmensis, (6) 243; (16) 263; (20) 
508, 511, 523. 
—— emaciata, (16) 263; (20) 503. 
—— emarginata, (16) 263. 
—— finmarchica, (8) 321 ; (20) 503. 
—— gibbosa, (9) 288, 307 ; (15) 142, 318. 
——- impressa, (7) 317. 
—— inflata, (19) 256. 
—— jonesii, (6) 243 ; (15) 148; (20) 537. 
—— limicola, (6) 248; (20) 523. 
—— lutea, (6) 242; (15) 142; (20) 520. 
—— marginata, (15) 142. 
—— minna, (19) 257. 
—— mytiloides, (7) 316. 
—— navicula, (7) 317. 
—— pellucida, (6) 242 ; (7) 317; (9) 286, 
288 ; (15) 318 ; (20) 525. 
—— porcellanea, (15) 142, 
—— pulchella, (8) 325. 
—— quadridentata, (6) 243; (16) 263. 
—— robertsoni, (6) 243 ; (15) 142. 
—— semiovata, (8) 321. 
—— semipunctata, (5) 328 ; (7) 317; (15) 
142. 
—— tenera, (6) 242; (16) 263. 
—— tuberculata, (6) 243 ; (15) 148; (20) 
503, 511, 517. 
—— ventricosa, (7) 317. 
villosa, (6) 243 ; (15) 148. 
—— viridis, (6) 243 ; (8) 321. 
—— whitei, (8) 321 ; (16) 263. 
Cythereis whiter, (8) 321. 
Cytherella abyssorum, (19) 257. 
(20) 503, 517. 
