104 



INDEX OF SPECIES. 



Sphasnia 



Biiighami, P i6, P 24. 



Califoruica, 78, 87, 194, 

 211, O 284, 301, O 349, 

 351, V 210. 



fragilis, 29, 39, 105, 244, 

 300, P 24, P 530. 



luticola, 29. 



ovali3, 168. 



ovoidea, 88, 123. 

 Spbaerella 



tiiiuida, 30, 129. 

 Sphasrium 



deiitatum, 164. 



lenticula, 165. 



meridionale, 165. 



nobile, 165. 



otcidentale, 1 16, 165. 



ovale, 165. 



patella, 165. 



Spokani, 91, 165. 



striatimim, 1 16, 164. 



subtransversum, 165. 



tumidutu, 91, 165. 

 Spiralis 



("obauensis, 44. 



Lattrei, 44. 



Shuttleworthii, 44. 

 Spiroglyphus 



alliidu:?, 43. 



lituella, 27, io8, 140, 

 Spisula 



fraeilis, P 51. 

 Spondylus 



calcifer, 24, 107, igo, 256, 258, 

 O 241, O 250, 277, 312, 

 P 547, P 54S, P sso. 



crassisquama, O 233. 



dubius, O 182, 312, P 153. 



dncalis, P 153. 



Estrellanus, 81. 



Ljmarckii, 199, 250, O 277, 



P 153, P 547- 

 limbatns, 43, O 290, O 312. 

 pictoruni, O 233, 234, 265. 

 var. P 153. 



Spondylus 



priijceps, 312. 



rar, 182. 



radula, 290, O 312. 



varians, O 233. 



Victoriae, 41. 

 Standella 



Californica, 22,99, I'J) '26, 151. 



falcata, 126. 



fragilis, 27, 106. 



nasuta, 12, 99, 126. 



planulata, 99, 126. 



velata, 204. 

 Stenotrema 



geniiana, 157. 

 Stephopoma 



VU-. bispinosa. 42. 



peimatum, 42. 

 Stoa 



ainnionitifortnis, 42. 



subcrenata, 44. 

 Stomatella 



inflata, 37, 194, 275, 320. 

 Stramonita 



petro.sa, 76. 

 StrategUB 



inennis, 94, 95. 

 Strebloceras 



aiiellum, 43. 



cornuoides. X 441, X 443. 



snlntnm, X 441, X 443. 

 Strephona 



incrassata, P 464. 



Pe<lroana, 76. 

 Strigatella 



etfiisa, O 339. 



tristis, 24, no, 151, 177, 261, 

 <^ 339. P 461. 

 Strigilla 



carnaria, 23, 27, 102, 151, 154, 

 O 195, O 224, 227, O 228, 

 245, O 303, 350, O 353, 



O 3^3, P 39. P 4^, U 200. 

 dichotoraa, 224, 303. 

 disjiincta, 40, 284, 303, S 



160, 



