ON JIOLLUSCA OF THE WEST COAST OV NORTH AMERICA. R75 



fl2. Phi/sa (Phi/sa) triticea, Lea, Binn. MSS.* California^ Cooper. 

 fQS. Physa (Pkysa) concolor, Hald. Oregon. 



94. Btdinus J [Sulinus) awantius, Cpr. [=Aplexa, auot. : v, Maz, Cat. p. 179],=» 



Ph. Peruviana, Mke. [non D'Orb.]. Mazatlan, Reigen. 



95. Bulinus {BvKrms) elatus, Gld. Mazallan, Peigen. 



96. Bulimts (Bulinus) Jiypnorum, Linn., Hald., C. B. Ad., Chen, et auot.,=i'/i. 



elmigata, Say, Gld., De KaT,=P/i. elongatina, Lewis. Nobtheen Europe, 

 Asia, Amehica. Puget Sound, Cooper; common at junction of Yukroii 

 and Porcupine Rivers, Euss. Amer., Kennicott. Through Brit, and Euss, 

 America, and fi'om Kansas to Washington, D. C; teste Binn. 



Subfam, Planorbince. 



97. Hanorbis (Phnorbis) suhcrenatus^, Cpr. Oregon, NuttaU. [PPuget Sound, 



Kennerley. ] 



98. Planorbis (Planorbis) tumens, Cpr.,=P. tetiagophila, Mke. (noa D'Orh.),=P, 



affinis, Cpr. [Cat. Prov., non C. B. Ad.] Mazatlan, Melcners, Reigert. San 

 Francisco, Cooper; Petalmna, teste Gld. 



99. Planorhin {Planorbis) vermieularis, Gld. 



100. Planorbis (Helisoma) ammon, Gld., =P. Traskei, Lea. Klamath Lake, Or. 



and Rhett Lake, Cal., Newbei-i-y. Ocogo Creek, Cal., Williamson ; Kem 

 Lake, Cal., Cooper ; Monterey Co., Trask ; Lagoons, Sacramento Valley, 

 teste Lea. 



101. Planorbis {Helisoma) corpulentus, Say, Hald., De Kay, Gld., Chenu, =P. tri- 



volvis (pars), C. B. Ad. Columbia Eiver, abundant, U. S. E. E. Also 

 Eastern States. ' 



102. Planorbis {Helisoma) trivolvis, Say, De Kay, Gld., Hald., C. B. Ad., Kiist., Pot. 



& Mich., 'Es,ton= Bulla Auviatilis, 8a,j,-\- PI. regidaris, Lea, + P^. megastoma 

 -{- Physa planorbida, De Kay,+PZ. macrostomtis-\- PI. corpulenkis, yVhitesiYe?, 

 ■\- PI. lentus, Gld., -1- Pi trivolvis, \sx. fallax, nald.,= Cochleatrium-orbium, 

 Lister, Petiver. Puget Sd., Campbell; Wiiglit's Lake, Cal., JVetoherry ; Ft, 

 Vancouver, Cooper^; San'Fi-ancisco, Powell; S. Diego; Mus. Smiths. ; Horn 

 Lake, teste Lea. Probably extends over whole continent, teste Binn. 



10-3. Planorbis (Menettis) operoulans, Gld., = P. plamdatus, Coop. S. Francisco, U. S. 

 Expl. Exp. ; WhidW's Is., Cal., Cooper. 



104. Carinifex \\ Newberryi, Lea. Klamath Lake and Canoe Creek, Cal., Kewberry; 

 Clear Lake, Cal., Veatch. 



Subfam. Ancylinee. 

 10.5. Ancyltis Newberryi, Lea. Klamath Lake, Newberry. 

 tl06. Ancylus crassus, Hald. " W." [Check-List.] 



107. Ancylus caurinus. Coop. California, Cooper. 



108. Ancylus patelloides, Lea. S. Francisco, Cooper ; Arroya, San Antonio, Cal., 



Mus. Smith. 

 tl09. Ancylus Kootaniensis, Baird. Brit. Columbia, Lord. 



110. Ancylus fragilis, Tryon. " W." [Check-List.] 



111. Acroloxm Nidtalli, Hald. [ Velletia N., Binn. in list. May 4th.] Oregon, Ntitt. 



112. Oundlaehia Californica, Eowell. 



* So in first printed list and in two MSS. ; but in Check-List of Deo. 9, PTi. Troos- 

 tiana, Lea, is assigned to the West, instead of this species. The MSS. are probably 

 correct. 



I Non JBulirms, Sby., oHm,=Bulimus, auct. However clearly Bulinus, Binn., may be ^ 

 right according to the antiquaries, it is far too like Bulimus, which has taken complete 

 possession of the entire malacological world, to be allowed a resurrection in the same 

 order. Surely burial for a given number of years ought to be allowed as evidence of 

 death, especially if the infant-name scarcely even breathed the air of use, and its resur- 

 rection would breed malaria among terms thriving in the vigorous manhood of universal 

 acceptance. 



§ It is quite possible that this may prove a very finely grown specimen of P.-lxidus. Dr. 

 Kennerley's shells are intermediate. 



II Thus in Check-List, Dec. 9th. In that of May 4th, it appears as Planorbis K; in ths. 

 MS. list as Carinijera, 



11 161 



