102 



INDEX OF SPECIES. 



Semele 



ventricosa, 203, 303. 

 Tenusta, 23, 29, 154, 203, 245, 



303, P 28- 

 Senectus 



funiuulatns, 4. 



squamigerus, 24, 154. 

 Septifer 



bifaiuatus, 26, 129, 151. 



Cumingianus, io5, 309. 

 Serpula 



iucurvata, X 436. 



recta, X 425, X436. 



regularis, 42. 

 Serpulotbis 



Panamensis, 42. 



squamigerus, 23, 27, 100, 140. 

 Serripes 



Grcenlandioua, 70, 88, 128, 168. 



Laperousii, 128. 

 Serrula 



Carpenter!, 287. 

 Sigaretus 



coriacens, 176, O 216. 



debilis, 27, 228, 233, 337, 

 352, U 207. 



fenestratus, O 259, P 408. 



inflatus, 275. 



luillegranus, 170, P 408. 



scopnlosus, 367. 



tessellatiis, 294, P 407. 

 Siliqua 



lucjda, 120, O 195, V 211. 



^'uttallii, 120, 124, 195, V211. 

 Siliquaria 



gibba, 39. 

 Simnia 



patnla, P 375. 

 Sipho 



terebalis, 73. 

 Siphonalia 



aiiomala, 152. 



fnscotincta, 23, 149, 288. 



KellHttii, 74, 149, 169, 289. 



modificata, 152. 



pallida, 28, 49, 112, 



Siphonarla 



ffiqiiilirata, 107, 112, 151, 152, 



162, 251, 290, O316, P 184. 

 sequilorata, 290, P 550. 

 amara, 48, 162, O 290. 

 characteristica, 197, 185, O 



276, 282, 290. 

 costata, 185, 276, 316. 

 denticulata, 239, P 546. 

 ferrugiiiea, 31. 

 gigantea, 229. 

 gigas, 24, 152, 197, 174, 



276, 282, 290, 316, 



359, T 168, U 205. 



var. O 276. 



lateralis, 133, 170, 238. 

 lecaniatu, 24, 31, 107, 162, 256, 



208, 225, 235, O 251, 



290, 316, P 182, P 184, 



P 535, P 536. 



var. O 239. 



var. palmata, 251, P 



183. 

 leviuscula, 152. 

 manra, 24, 31, 162, 185, 



276, 316. 

 palmata, 24, 31, 107, 162. 

 pentegoniostoma, P 212. 

 pica, 37, 197, 276, 285, O 



316. 

 scutellnm, 203, 316, 359. 

 tliersites, 47, 113, 133, 162, 170, 



237- 

 Tristensis, 47, 113. 

 Siphoninm 



var. centiqnadra, 42. 

 effusnm, 42. 

 lituella, 42. 

 margaritarnm, 42. 

 niegamasttiin, 42. 

 var. spinosum, 44. 

 snborenatnm, 44. 

 Sistrum 



carbonarinm, 25, in. 

 (?ochrostoraa, var.) rnfono- 



tatum, 105, 220. 



