674 KEPonT — 1863. 



72. lAmncea (LimnopJajsa) palustris, Miill. eta.uct.,=L.fragilis (as ofLinn.),HaM., 



De Kay.Binn. (1st list), Rve. (hodie). [Non Linn., teste Hani, in Ips. Lmn. 

 Conch., p. 385]. +Z. elodes, Say, Gld., C. B. Ad., Kii3t.,+X. Nuttal- 

 liana, Lea, Kiist., ?+i. plebda, Gld.,+X. expansa, Hald., De Kay, Kust. 

 NoETHBBN Ettbope, Asia, AND Ambbica :— Columbia River, NvttaU; 

 Puget Sound, Kmnerley; Klamath Lake and Summer Lake, Or.; Rhett 

 Lake and "Wright's Lake, Cal,, Newberry : Clear Lake, Cal., Veatch ; San 

 Francisco, RoweU; Monterey, CanfiM; Porcupine and Yuckron Rivers, Rus. 

 America, Kennicott. Also from Pennsylvania westward to Pacific,^ and from 

 this line northwards, wherever searched, even to interior of Russian Ame- 

 rica ; teste Eimi. 



73. lAmneea (Limnophysd) proxima, Lea. San Francisco, Cooper. Arroya San 



Antonio, Trash. 



74. Linin<Ba{Limnophysa)emarginata, Say, Hald., De Kay, Kiist.,=X. Ontm-iemis, 



Muhlf., Kiist.,+X. serraia, Hald. New England to Washington Teb- 



BITOEY. 



75. Limncca {Limnophysd) catascopium, Say, Hald., Gld., De Kay, Ill's. Grsy, Pot. 



& Jlich., Kiist.,-i-X. pinffuis, Say (non Dohrn), =L. Virginiana, Lam., Desh., 

 Deless., = i. cornea, Val., = i. sericata, Ziegl. New Englajtd to 

 Lewis Rivee, and theough Beitish A&ieeica ; teste Binn. 



76. Limncsa {Limnophysd) Adelines, Tryon. San Francisco. 



77. LimtuBa (Limnophysa) Traskii, Tryon. Mountain Lake, California. 



78. ZimncEo (Limnophysa) pallida, C. B. Ad., Hald., De Kay. San Francisco, 



RoweU; San Antonio Arroya, teste Lea. 



79. Limncea (Limnophysa) bvlimoides. Lea, Hald., De Kay. Fort Vancouver. 



San Francisco, Rowell. Also Eastern States. (Check-List.) 



80. Limncea (Limnophysd) solida, Lea, Hald., De Kay,-|-i. apieina, Lea, Kiist. 



Oregon. Alto Eastern States. (Check-List.) 



81. Limncea (Limnophysa) ferruffinea, Hald., De Kay. Oregon. 



82. Pompholyx effasa, Lea, Add. Pitt River, Newherry; Sacramento River, 



teste Lea. 



83. Physa (Physa) Lordi, Baird. British Columbia, Lord ; east of Fort Colville, 



W. T., Am. JSr. P. R. Surv. 



84. Physa (Physa) gyrina, Say, De Kay, Kiist., C, B. Ad., Hald.,=2%. elUptica, 



Lea, De Kay,-|-PA. cylindrica, De Kay,+PA. HUdrethiana, Lea. Wash- 

 ington Territory, Captain Simpson ; San Francisco, RoweU. 



85. Physa (Physa) amptdlacea, Gld.,=i%. bullata, Gld. (non Pot. & Mich.). 



Oregon, Cooper ; Lakes Rhett and Upper Klamath, Newbeiry. 



86. Physa (Physa) Oabbii, Tryon. Sta. Ana Riv., Angelos Co. Also Mountain 



Lake, California. 



87. Physa (Physa) heterostropha. Say, Gould, C. B. Ad., Desh., Kiist., De Kay, 



Mrs. Gray, Pot. & Mich., Eaton, -|- PA. fontana, Hald.,-|-P/!. cylindrica, 

 Newc.,-)-PA. aurea, Lea, De '&a:^,-\-Ph.plicala, -\-Ph. glahra, De Kay, -f-PA. 

 osctdans, Hald. (part),-t-P7i. striata,-\-Ph. siibarata, Mke.,-)-PA. Charpentieri, 

 ■{■Ph. PhilKpii, ICiist., -\- Ph. elliptica, -|- PA. inflaia, ljea,,=£ulla crassula, 

 Dillw., =B.fonUnalis, Chemn., Schroter,= Cochlea neritoides. List. Noeth 

 America, passim: — Chiloncynck, ^enraCT'/e.!/ ; Hell Gate River, Newbeiry; 

 San Francisco and Washington Territory, Cooper; Los Angeles, teste Lea. 

 Also from Texas to Britisli America and Arctic regions, and from Atlantic 

 to Pacific, teste Binn. 

 t88. Physa (Physa) costata, Newc. Clear Lake, Cal., Veatch. 



89. Physa (Physa) virginea, Gld. San Fi'ancisco, RoweU. 



90. Physa (Physa) hu7}ierosa,Gld. Rio Colorado, TTiHamstm; San Diego, P. P. P. ^. 



91. Physa (Physa) virgata, Gld. San Diego, Webb ; Los Angelos ; Cal. Ao- N. S. 



several of which are perhaps but modifications of circumboreal species which hare been 

 already traced to Eastern Asia. Even the series in Mus. Cum. are far from being accurate 

 or complete. The inflexible rules of the Britisli Museum have not yet allowed a single 

 speounen of Dr. Baird's species to be transmitted to America, even for comDarison. 



160 ^ 



