﻿Catalogue of Mollusca. 



39 



Helix. 



19 septemvolva, Say. 

 I sequoicola, Cooper. 

 3 serpentina, Fer. 



1 Simsonii. 



5 spinosa, Lea. 



12 stenotrema, Fer. 



2 subrutila, Migh. 



3 subtilis, Anton. 



1 sylvatica, Fer. 



2 Texasiana, Moricand. 

 25 thyroides, Say. 



2 Townsendiana, Lea. 

 35 tridentata, Say. 



3 Troostiana, Lea. 



2 tridiculata, Binney. 



13 uvulifera, Shutl. 



8 vermiculata, Mull. 



4 verticillata, Parr. 

 23 virgata, De Costa. 



6 virgata, var submaritima. 

 6 vivia. 



6 volvovis, Parreyes. 



2 (Triodopsis) vultuosa Gld. 

 1 Wheatleyi, Bland. 



1 (Gonostoma) Yatesi, J. G. C. 

 Hellisoma. 



3 amnion, Gould. 

 Hemiplecta. 



2 Nov-Hibernae, Quoy. 

 Heterodonax. 



2 bi-maculata, Linn. 

 Hinnites. 



2 gigantea, Gray. 

 Hippopus. 



3 maculatus. 

 Hydrocera. 



3 bulimoides, Worn & Jacq. 



2 elongata, Pse. 



3 Huapeinensis, Pfr. 

 2 robusta, Pse. 



Ianthina. 



30 bifida, Nutt. 



5 communis, Lam. 

 Ilyanassa. 



17 obsoleta, Stimp. 

 Imperator. 



5 imperialis, Chemn. 



Io. 



2 fluviatilis, Say. 



3 spinosa, Lea. 



Iopas. 



5 sertum, Brug. 

 Ischnochiton. 



2 Cooperi. 

 Isocardia. 



I cor, L. 



Kalherina 



2 tunicata, Sowb. 



Lacuna. 



2 pertusa, Con. 



7 vincta, Turton. 

 Leptothyra. 



11 sanguinea, Cpr. 

 Liguus. 



4 fasciatus, Mull. 



Lima. 



4 squamosa, Lam. 



Limax. 



4 maximus, Linn. 

 Limnasa. 



2 auricularia, Drap. 



12 caperata, Say. 



20 catuscopium, Say. 



3 columnella, Say. 



22 desiduosa, Say. 



15 elodes, Say. 



16 humilis, Say. 

 15 palustris, Mull. 

 11 reflexa, Say. 



15 stagnalis, Linn. 



23 umbrosa, Say. 



4 zebra, Tryon. 

 Lioplax. 



8 sub-carinata, Say. 

 Lithasia. 



6 florentiana, Lea. 



19 plicata, Wetherby. 

 Lithocomis. 



I emaciatus, Reeve. 

 Lithodomus. 



4 lithophaga, L. 

 Littorina. 



15 angulifera, Lam. 



6 asper, Phil. 



20 irrorata, Say. 



13 littorea, Menke. 



3 obesa, Sowb. 



4 pallia ta, Gould. 

 8 picta, Phil. 



3 planaxis, Nutt. 

 18 rudis, Gould. 



7 scutulata, Gould. 



. 11 tenebrosa, Gould. 

 15 ventulata, Gould. 



Lottia. 



10 gigantea, Gray. 

 Lucidella. 



Luci 



1 aureola, Gray. 



2 granosa, Gray. 



Lunatia. 



4 canaria. 

 2 ebuonea, Reeve. 



4 heros, H. and A. Ad. 



