INDEX OF SPECIES. 



227 



Fissurella volcano, Rve .... 96 



Fissurellidaea bimaculata, 



Dall 97 



calliomarginata, Cpr . 97 



Fluminicola fusca, Hald .... 62 



Hindsii, Baird 63 



Nuttalliana, Lea 63 



virens, Lea 63 



Fusus ambustus, Gld 21 



Kobelti, Dall 21 



Gadinea reticulata, Sby 98 



Gibbula parcipicta, Cpr .... 79 

 succincta, Cpr 79 



Glycimeris, generosa, Gld . . 209 



Glyphis aspera, Esch 96 



densiclathrata, Rve. . . 97 



Glyptostoma Newberryanum, 



W. G. B 143 



Goniobasis nigrina, Lea .... 69 



occata, Hds 69 



plicifera, Lea 69 



Goniostoma Yatesii, Cooper. 144 



Guudlachia Californica, Row- 

 ell 115 



Gyraulus parvus, Say 1 r 7 



vermicularis, Gld 116 



Haliotis corrugata, Gray 94 



Cracherodii, Leach . . . 93 

 rufescens, Swains .... 92 

 splendens, Rve 90 



Haminea vesicula, Gld 126 



virescens, Sby. ..... 126 



Helicodiscus lineatus, Say . . 1-53 



Helix (Arionta, etc.) 131 



Hillebrandi, Newc 143 



Helisoma amnion, Gld 117 



bicarinatus, Say 117 



trivolvis, Say 118 



Hernphillia glandulosa, Bin. 



and Bid 153 



Heterodonax b i m a c ulatus, 



D'Orb 191 



Hinnites giganteus, Gray. . .165 



Hipponyx antiquatus, Linn . 74 

 tutneus, Cpr 75 



Hydrobia egena, Gld 



Ianthina trifida, Nutt 114 



Isapis fenestrata, Cpr 65 



obtusa, Cpr 65 



Ischnochiton Cooperi, Cpr. .112 



regularis, Cpr io7 



Ischnoplax pectinulatus,Cpr 112 



Jeffreysia Alderii, Cpr 



Katherina tunicata, Sby 11 1 



Kellia Laperousii, Desh 178 



suborbicularis, Mont . 177 



Lacuna porrecta, Cpr 66 



solidula, Lov 66 



unifasciata, Cpr 66 



Lamellaria S a n d i e gensis, 



Dall 



Stearnsii, Dall 47 



Lassea rubra, Mont 178 



Lazaria subquadrata, Cpr. .. 179 

 LepidopleurusMertensii,Cpr 108 

 Leptocniton rugatus, Cpr. ..112 

 Leptolininsea Kirtlandiana, 



Lea 121 



Leptonyx bacula, Cpr 87 



sanguineus, Linn 87 



Lima orientalis, Ad. and Rve 168 



Limax Hewstonii, Cooper. . . 154 



montanus, Ingersoll. .154 



Limnsea ampla, Mighels. ... 123 



stagnalis, Linn 123 



Limnophysa Adalinae,Tryon 122 



bulimoides, Lea 122 



caperata, Say 122 



catascopium, Say 122 



desidiosa, Say 121 



humilis, Say 122 



palustris, Mull 123 



proxima. Lea 123 



Lingula albida, Hds 215 



Liocardium elatum, Sby .... 181 



substriatum, Conr. ... 181 



Lithophagus plumula, Han. 171 



Liotia acuticostata, Cpr 86 



fenestrata, Cpr 86 



Littorina planaxis, Nutt .... 68 



rudis, Don 68 



scutulata, Gld 68 



Lottia gigantea, Gray 98 



Lucapina crenulata, Sby 95 



