676 BEPOKT— 1863. 



Suborder Thalassophila. 

 Fam. Siphonariadce. 



1113. Siphonaria lecanium, Phil.: [Var. = -S'. maura, Sby. Yai. palmata, Cpr., is 

 possibly distinct. Mazatlan, K £. PMlippi, Meigen ; Acapulco, Jewett ; 

 Cape St. Lucas, Xantus.'] 



tll4. Siphonaria mquilirata, Cpr.,[= S. (equilm-ata, Eve. Mazatlan, Seigm; C. S. 

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



tllo. [Siphonaria thersites, Cpr. Neeah Bay, Swan.] 



Doubtfijl, spurious, and extralimital species : — 



Jfelix aspersa, Miill. '' Sta. Barbara," Kelleit and Wood. [Imported.] 



Helix arbiistortim, Linn. 



JScliv Sagraiana, D'Orb. [Certainly Cuban.] 



Helix " Sandiegoends, Lea. Gld., P. E. E., vol. v. p. 331. "No such sp. da- 

 scribed," teste Binney. 



Helix 2>eregrina, Bosc. 



Jjiilimtis Humholdti, Eve. ?" Mazatlan." 



JJiilimus Laurentii, Shy. "Sitka:" probably Sitcba in San Salvador, taate 

 Binney. 



Melania \_Bidiinus\ striata, Perry. [ Vide anted, p. 520.] 



Svccinea aperta, Lea, = S. rotundata, Gld. Sandwich Is., U. 8. Expl. Exp. 

 ■\Physa Maiigerits, Gray, teste Woodward, Manual, p. 171 ; but probably equi- 



torial S. America. 

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

 rity of Eve., as of Nutt. ; but it lives on the Sandwich Is. ; teste Pease, iAra- 

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



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

 logue of the species of Amnicola, Vivijjara, Bithynia, Valvata, and Ampul- 

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

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

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

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

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



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



5. 6. Amnicola protea,Gli., Bost. Proc. v. 129. Colorado Desert, 5/a^c, Webh. 

 12. 46. Vivipara,ljeim.,=Paltulina,lLjetm. [This genus, so fine and plentiful east 



of the Eocky 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 sjaionym of] 

 Fluminicola (Stimps., MS.) NuUalUi, Lea, = Amnicola Nuttalliana, Cp., 

 Minn.Eep.p. 374, = Xepto-4s NuUalUi, Hald., = .4ne«ZosMS NtdfaBiij'Rve. 

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

 lumbia Eiver, Nuttall, Cooper ; Upper des Chutes Eiv. and Klamath 

 Lake, Or., iVeMjJCTTv; Eoques E., Or. ; Sacramento E., Hinds; Brit. 

 Columbia, Lord; Canoe Creek and Pitt Eiver, Cal., Newberi-y. 

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

 f. 103 [in text. In later MS. list, appears as synonym of] Fluminicola 

 im'ens,Liea,( Paludina v., Lea; Zeptoxis v.,'H.a.M.),+ Paluditia miclea,'LeiL. 

 "V^'ahlamat Eiver, Oregon, Xvttatt ['Willamette, MS. list]. 



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



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

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

 been previously given to the specimens, and under which they ai'e quoted in 

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



162 



