942 ZOOLOGY MOLLUSCA. 



Taken by the expedition in the following localities: 



LIMN ABA RE FLEX A, Say. 



Limiieus rcfle.vus, SAY, Jour. Acad. Nat. Sci. Phila., ii, 1821, 1G7. Id., Am. Conch., iv, 

 1832, pi. xxi, f. 2. Id, Binncy's ed., C5, 188, pi. xxxi, f. 2. Id., Chemuitz's 

 ed., 44, pi. vii, f. 4. KUSTER, iu Chemnitz, ed. 2. 41, pi. vii, tigs. 11, 12. 



Limnaa reflexa, HALD.. MOD., 1842, 2G, pi. viii. DEKAY, N. Y. Moll., 1843, 71, 

 pi. iv, tigs. 65-72. BINNEY, Land & Fresh Water Shells N. A., pt. ii, 1805, 

 39. ROBERTS, U. S. Geol. Surv. Terr., 1870, 4G8. 



lAmnem elongattts, SAY, Jour. Acad. Nat. Sci. Phila., ii, 1821, 167. Id., Long's Exped. 

 Rocky Mts., ii, 1823, 263. SAY, Conch., Biuuey's ed., 65, 130; Chemnitz ed., 

 43, pi. vii, f. 5. 



Limneus umbrosus, SAY, Am. Conch., iv, 1832, pi. xxxi, f. 2. Id., Binuey's ed., 187, 

 pi. xxxi, f. 2. HALD., Mon., 1842, 24, pi. vii. DEKAY, N. Y. Moll., 

 1843, 68, pi. iv, f. lit. KUSTER, iu Chemnitz, ed. 2, 41, pi. vii, figs. 13-16. 



Limncea exilis, LEA, Trans. Am. Phil. Soc. Phila., v, 1837, 114, pi. xix, f. 82. Id., Obs. 

 i, 226. KUSTER (Limnccus), in Chemnitz, ed. 2, 40, pi. vii, f. 9. 



LimncBus pal-ustris var. distortus, ROSSMASSLER, Icon., i, 1835, 97, pi. ii, f. 52. 



Limtwphysa reflexa, CHEMNITZ, Man. de Couch., ii, 480, f. 3544. 



Observed from northern tier of States, from New York to the Pacific, 

 and in Canada. It extends more to the southward in the western portions 

 of its area, having been found in Kansas, Utah, and Colorado, and in the 

 Columbia and Sacramento Rivers (Binney). 



Secured by the expedition at the following locality: 



LIMNAEA PALUSTRIS, Miiller. 



Helix patustris, MULLER, Syu. Nov. Gen., 1834, p. . RACKETT, Trans. Linn. Soc., xiii, 

 1822, 42. 



