32 



INDEX OP SPECIES. 



Cerithidea 



varicosa, 7, 24, 186, 208, 170, 



190, O 230, 233, 272, 



295, 325, 364. 

 ?varicosaj var, Mazatlanica, 



O 257, P 344, U 206. 

 Cerithiopsis 



assimilata, 99, no, 146, 155, 



274, 260, 335, 364, 



P44S- 



bimarginata, 274, 335. 



ceiea, 260, 335, P 443. 

 P44S- 



oolumiia, 99, 114, 146, 245. 



convexa, 260, 335, P 44. 



decussata, 260, 335, P 445. 



fllosa, 335, 348. 



fortior, 23, 146, 287. 



Interealaris, 274. 



munita, 114, 146,245. 



negleeta, 185, 336. 



pauperoula, 336. 



pupifocmij, 260, 335, P 443. 



purpurea, 23, 146, 287. 



sorex, 260, P 335, P 444. 



terebella, 364, P 445. 



triliiieata, P 445. 



tuberciilaris, 169, 186, 366. 



ftuberculata, 23, 114, 146, P 

 442. 



tuberouloides, 32, 36, 1 10, 260, 

 335, 366, P 442, P 443. 



?tubtirculoides, var. albonodosa, 

 O 260, P 443. 

 Cereua 



conglomeratus, 4. , 

 Cerostoma 



var. Burnettii, 72. 



foliatuin, 13, 48, 72, 149, 169, 

 345- 



monooeros, 13, 149, 151, 152. 



monmlon, 83, 149, 345. 



Nuttallii, 13, 27, 149, 201, 

 345, 349, V 229. 

 Chama 



Bioderipii, P 89. 



Chama 



Buddiana, 26, 30, 38, 106, 200, 



247, 277, 307, P 89. 

 chionsea, 178. 

 corrugata, 27, 38, 154, 184, 



277, 307. 

 crassicostata, 10. 

 Delessertii, P 549. 

 echinata, 9, 30, 38, lo6, 200, 

 178, 184, 234, 247, 

 277, 307, P 87, P 549. 

 exogyra, 11, 71, 106, 127,0 232, 

 247, 307, 349, O 351, 

 352, 353, P 90, V 217. 

 frondosa, 9, 23, 106, 152, 178, 

 197, 232, 282, 306, 

 P 87, P 549. 

 (?froudo3a, var.) fornioata, 38, 



200, 247, 277, P 89. 

 frondosa, var. Mexicana, 200, 

 178, 197, 247,0 307, 

 352, 353, 364, P 87, 

 P 89, P 548, V 217. 

 imbrioata, 63, 184, O 307. 

 Janus, 186, 307, 359. 

 lobata, II, 71. 

 Mexicana, 30, 38, 232. 

 Panamensis, 186, 307, P 



90. 

 pelluoida, 22, 127, 170, 197, 



232, 307,0 351, V 217. 

 produota, 27, 184, 307. 

 rugosa, 234. 



spiuosa, 23, 27, 97, 106, 128, 

 208, 247, 307, 359, 

 P 89, P 90. 

 squalida, 178. 

 venosa, 232. 

 Chelyconus 



puncticulatus, P 404. . 

 purpurasoens, P 402. 

 regalitatis, P 403. 

 Chelysoma 



MaoLeayanum, 176 

 Chemnitzia 



Adamaii, 36, no. 



