676 REPORT 1863. 



Suborder THALASSOPHILA, 

 Fam. Siphonariadce. 



|113. Siphonaria lecanium, Phil. : [Var. == S. maura, Sby. Var. palmata, Cpr., is 

 possibly distinct. Mazatlan, E. B. Philippi, lieigen j Acapulco, Jewett j 

 Cape St. Lucas, Xantus.~\ 



tl!4. Siphonaria aquilirata, Cpr.,[= 8. cequilorata, Eve. Mazatlan, Reigen-, C. S. 

 Lucas, Xantus ; Margarita Bay, very fine, teste Pease.] 



fl!5. r Siphonaria thersites, Cpr. Neeah Bay, 



Doubtful, spurious, and extralimital species : 



Helix aspersa, Mull. " Sta. Barbara/' Kellett and TFooo\ [Imported.] 



Helix arbustomtm, Linn. 



Tfr&r Sagraiana, D'Orb. [Certainly Cuban.] 



Helix " Sandiegoensis, Lea/' Gld., P. R. R., vol. v. p. 331. No such sp. de- 



scribed," teste Binney. 

 Helix peregrina, Bosc. 

 Bvlimm Humboldti, Rve. P" Mazatlan." 

 Bulimus Laurentii) Sby. "Sitka:" probably Sitcha in San Salvador, teite 



Binney. 



Melania [Bulimus] striata, Perry. [Vide anted, p. 520.] 

 Svccinea aperta, Lea, = & rotundata, Gld. Sandwich Is., U. S. Expl. Exp. 

 ^Physa Mattgericc, Gray, teste Woodward, Manual, p. 171 ; but probably equa- 



torial S. America. 

 ^Siphonaria amara, [Nutt. Admitted into the list by Mr. Binney, on the autho- 



rity of Rve., as of Nutt. ; but it lives on the Sanawich Is. ; teste Pease, New- 



comb, U. S. E. E.]. 



116. The Smithsonian Institution has lately issued a " Descriptive Cata- 

 logue of the species of Amnicola, Vivipara, Bithynia, Yalvata, and Ampul- 

 taria" by Mr. "W. G. Binney. It is abundantly illustrated with outline- 

 woodcuts, and contains the synonymy corrected from all the accessible types. 

 Dr. Stimpson is at present engaged in dissecting the molluscs ; but none of 

 his investigations have yet been published. The following is a resume of the 

 West Coast species, from a proof kindly furnished by the author. 



Page. Fig. 



4. Amnicola longinqua, Gld., Bost. Proc. v. 130. Colorado Desert, Blake. 



5. 6. Amnicola protea, Gld., Bost. Proc. v. 129. Colorado Desert, Blake, Webb. 

 12. 45. Vivipara , Lam., = Pa/woYM#, Lam. [This genus, so fine and plentiful east 



of the Rocky Mountains, does not appear on the west.] 



44. Paludina Nuttalliana, Lea, Trans. Am. Phil. Soc. vi. p. 101, pi. 23. f. 109. 

 [In text. In later manuscript list, this name appears as a synonym of] 

 jFlumintcola (Stimps., MS.) Nuttallii, Lea, = Amnicola Nuttalliana, Cp., 

 Minn. Rep. p. 374, = Leptcxis Nuttallii, Hald., = Anculosus Nitttattii, Rve, 

 ?+Paludma seminalis, Hds. (p. 46, f. 81). [?+P. Hindsii, Baird.] Co- 

 lumbia River, Nuttall, Cooper ; tipper des Chutes Riv. and Klamath 

 Lake, Or., Newberry ; Roques R., Or. ; Sacramento R., Hinds; Brit. 

 Columbia, Lord; Canoe Creek and Pitt River, Cal., Newberry. 

 46. 80. Bithinia nuclea, Lea, = Paludina n., Trans. Am. Phil. Soc. vi. p. 91, pi. 23. 

 f. 103 fin text. In later MS. list, appears as synonym of] Flvmmicola 

 vir en s,Lt&,( Paludina v., Lea; Leptoxis v.,Hald.),+-no/wrfma wwc/ea,Lea. 

 Wahlamat River, Oregon, NvtUdl [Willamette, MS. list]. 



The following are added by Mr. Binney in his later MS. list : 



Valvata virens, Tryon. Clear Lake, Calif. [The Smithsonian duplicates have 

 been unfortunately distributed under the name " V.sinccra, Say, "which had 

 been previously given to the specimens, and under which they are quoted in 

 the Check-List of 1860, no. 456. According- to Mr. B., V. sincera is " like 



162 



