282 Catalogue of the Shells of Connecticut. 



199. Planorbis dilatatus, Gould, Yantic River, Norwich, and 

 Wlieeler's Pond, Stratford. Gould, fig. 140. 



200. Planorbis elevatus, Adams, attached to Unio, Hockanum. 

 River. Gould, p. 207. 



201. Planorbis exacutus. Say, Tashua church brook. Gould, 

 fig. 135. 



202. Planorbis hirsutus, Gould, Stonington. Gould, fig. 135. 



203. Planorbis lentus, Say, Stratford pond on Harvey's farm. 

 Gould, fig. 132. 



204. Planorbis obliquus, Dekay, Stonington, and Thatchers- 

 ville pond, Bridgeport. 



205. Planorbis parvus, Say, shore of Housatonic. Gould, 

 fig. 139. 



206. Planorbis trivolvis. Say, shore of Housatonic, among 

 drift. Gould, fig. 131. 



207. Physa aurea, Lea, Stonington, variety of heterostropha. 

 *208. Physa elongata. Say, Housatonic. Gould, fig. 143. 



209. Physa heterostropha. Say, Housatonic. Gould, fig. 141. 



210. Physa Sayi, Tappan, Housatonic, variety of ancillaria. 

 Hald., pi. 3, figs. 9, 10. 



211. Lymnsea caperata, Say, {umbilicata, Adams,) Housatonic. 

 Hald., pi. 11, figs. 1-12. 



212. Lymnsea chalybea, Gould, Peck's lane brook, and Bridge- 

 port. Gould, fig. 145. 



213. Lymnaea columella. Say, Wheeler's mill-pond, S>tratford. 

 Gould, fig. 144. 



214. Lymnaea decoUata, Mighels, Housatonic. Hald., pi. 14, 

 fig. 5. 



215. Lymnsea desidiosa, Say, Orange and Milford. Gould, 

 fig. 140. 



216. Lymnsea elodes, Say, Housatonic. Gould, figs. 146, 147. 



217. Lymnaea emarginata. Say, island in Housatonic. 



*218. Lymnaea Linsleyi, Dekay, shore of Housatonic, and in 

 Huntington near turnpike gate to Bridgeport. 



219. Lymnaea macrostoma, Say, Peck's lane and Stratfield. 

 Gould, fig. 148. 



*208. This is the P. hypnorum, Linn., vide Haldeman, pi. 5, figs. 4-9. 



*218. " Lymnaa Linsleyi," Del^ay. " Characteristics — chesnut epidermis with 

 blackish pigment. Body whorl flattened with waved incremental lines. Aperture 

 twice the length of the spire." Animal, black. Picked up at Crimber's neck on 

 shore of Housatonic, in March, 1841. Two specimens only — both of which I sent 

 to Dr. Dekay. 



