23 



411 Leptothyra carpenteri Pilsbry. 



861 Leptothyra paucicostata Dall. 



2730 Leptothyra paucicostata rubra 



231 Leptothyra paucilirata Dall 

 392 Leptothyra sanguinea Carpenter 



232 Leptothyra sanguinea var lurida Dall 

 1820 Leucocheila fallax 



862 Leucozonia cingulata Lamarck. 

 329 Lima dehiscens Conr 



2017 Lima Hamlini 



864 Lima inflata Lamarck. 



863 Lima orientalis A. Adams. 

 2315 Lima pacifica Orb. 



865 Limatula subauriculata Montagu. 



1195 Li max agrestis L. 



866 Limax (berendti?) hemphilli W. G. Binney. 



867 Limax (gagates?) hewstoni J. G. Cooper. 



868 Limax campestris Binney. 



1196 Limax hyperboreus Westerlund. 



869 Limax maximus Linne. 



1550 Limax campestris occidentals Cpr. 



1551 Variety zonatipes Cockerell. 



870 Limnaea adelina? Tryon. 



1215 Limnaea ampla Mighels. 



2731 Limnaea Atkana 



2256 Lymnaea auricularia L. 



2722 Lymnaea bulimoides Lea. 



2059 Lymnaea bulimoides techella Hald. 



43 Limnaea caperata 



42 Limnaea desidiosa 



871 Limnaea emarginata Say. 

 2687 Lymnaea hendersoni 

 2516 Lymnaea Hinkleyi 



872 Limnaea humilis Say. 



2721 Lymnaea humilis modicella 



1552 Limnaea obrussa Say. 



1553 Limnaea humilis ferruginea Hald. 



1554 Limnaea palustris Traskii Tryon. 



1555 Variety proxima Lea. 



1556 Variety Nuttalliana Lea. 



1557 Variety Rowellii Tryon. 



1558 Variety umbrosa Say. 



1559 Limnaea bombycina Lange. 



1502 Limnaea (Leptolimnea) Pilsbryi Hemphill. 



1503 Limnaea stagnalis occidentalis 



873 Limnaea lepida Gould. 



1216 Limnaea nuttalliana Lea. 

 894 Limnaea palustris Mueller. 

 41 Limnaea palustris 



3155 Limnophysa humilis 

 1450 Limopsis Panamensis Dall. 

 532 Limopsis vaginatus Dall. 

 352 Lingula albida Hinds 



122 Liocardium elatum 



123 Liocardium substr latum 



377 Liocardium substriatum major Yates 



2183 Liocyma Beckii Dall. 1870. 



2184 Liocyma viridis Dall. 1871. 



2185 Liocyma Scammoni Dall. 1871. 

 219 Liotia acuticostata Cpr. 



