MUSEUM OF COMPARATIVE ZOOLOGY. 



463 



Cerithium subulatum, II. 252. 



terebellum, II. 250. 



terebrale, II. 250. 



trilineatum, II. 250, 251. 



uncinatum, II. 259. 



variabile, II. 259. 



versicolor, II. 259. 

 Cetoconcha, I. 195, 280* 281* 282, 284, 

 288; II. 437* 441* 444,* 449* 

 450 * 452* 



albida, I. 281, 282 , 283. 



bulla, I. 281, 283;* II. 440* 446* 

 447* 



elongata, I. 280, 281, 283* 



margarita, 1. 281,284 ,-* II. 446 * 447.* 



nitida, I. 281. 



Sarsii, II. 447. 



tornata, I. 281, 282. 

 Cetomija, II. 446* 448 * 452* 



albida, II. 448* 



elongata, II. 440* 447* 



tornata, II. 448. 

 Clicetodermula, II. 413. 

 Chama, I. 193, 268. 



lactuca, I. 193, 268. 



macropliylla, I. 268. 



sarda, I. 193, 269. 

 Cliemnitzia, II. 335. 



flavocincta, II. 336. 



interrupta, II. 337. 



pusilla, II. 337. 



speira, II. 336. 

 Chicoreus, II. 17, 197. 



Hidalgoi, II. 17, 198. 

 Chilocyclus, II. 301. 

 Chione, I. 194, 276, II. 435* 



cancellata, I. 194. 



pygmaea, I. 194. 

 Chitonacea, II. 413. 

 Cliiton cocenensis, II. 414. 



limaeiformis, II. 415. 



productus, II. 415. 



purpurascens, II. 416. 



sanguineus, II. 415. 



squamosus, II. 414. 



tuberculosus, II. 414. 

 Ohlamydocliiton, II. 417. 

 Choristcs, II. 394. 

 Chromodoris punctilucens, II. 453. 



scabriusculus, II. 453. 



sycilla, II. 453. 

 Clirysodomus, II. 15, 174, 179, 188. 



Molini, II. 176. 



Chrysodomus ventricosus, II. 175. 

 Cinctella, II. 250. 



trilineata, II. 250. 

 Cingula aculeus, II. 280, 339. 



apicina, II. 282. 

 Circe, I. 2G1, 262 * 263, 276. 



bermudensis, I. 2G3. 



cerina, I. 192, 263. 



divaricata, I. 262. 



metastriata, I. 263. 



scripta, I. 262. 

 Circulus formosissimus, II. 387. 

 Cirostrema, II. 300. 

 Cirsotrema, II. 300, 319. 

 Cistella, I. 187,^2. 



Barrettiana, I. 187, 203. 



lutea, I. 187, 203. 



rubrotincta, I. 203. 



Schrammi, I. 187, 203. 

 Cithara, II. 100. 

 Cithna cingulata, II. 277. 

 Clathrella, II. 24, 278. 



naticoides, II. 24, 278. 

 Clathrus, II. 299, 300. 

 Clatburella, II. 98. 



cala, II. 119. 



chariessa, II. 122. 



circumvoluta, II. 84. 



hormophora, II. 106. 



quadrata, II. 113. 

 Olavus ebur, II. 89. 

 Clidiophora, I. 197, 311, 312. 



carolinensis, I. 197, 311. 



Gouldiana, I. 197, 312. 



trilineata, I 197, 311. 

 Clionella, II. 118. 



aglaoplianes, II. 93. 



amblia, II. 92. 



exsculpta, II. 117. 

 Cocculina, I. 181 ; II. 30, 343, 344, 345, 

 346* 349, 408, 412, 455. 



adunca, II. 345. 



angulata, II. 345, 346* 



Beanii, II. 30, 346, 347* 348. 



conica, II. 346. 



corrugata, II. 345. 



Dalli, II. 346. 



galeola, II. 346. 



leptalea', II. 346. 



pusilla, II. 345. 



Rathbuni, II. 30, 346, 347* 348. 



spinigera, II. 30, 345, 346,* 34S* 

 349* 



