PUBLICATIONS OF CHARLES GIKAKD, M. 1). 45 



1856. GiKAKi), Charles — Coutiuued. 



TiGOMA, n. g 205 



Tigoma pulchella, G- 20G 



Eio Mimbres, tributary of Guzniaii Lake, Mexico, Jobu H. Clarlv . 

 Tigoma conformis, Gr 'JOG 



Posa Creek, San Joaquin Valley, California, Dr. Heernianii. 

 Tigoma bicolor, n. s -JUG 



Klamatli Lake, Oregon, John S. Xewlxn-i-y. 

 Tigoma purpurea, n. s 20(i 



San Bernardino, Dr. Kennerly. 

 Tigoma interm,edia, n. s 20(> 



Kio San Pedro of the Gila, John M. Clark. 

 Tigoma obesa, n. .s 206 



Salt Lake Valley, J. S. Bowman. 

 Tigoma Humholdti, n. s 206 



Humboldt Eiver, J. S. Bowin.in and Lifutcnant lioikwith. 

 Tigoma lineata, n. s 206 



Lieut. E. G. Beckwith. 

 Tigoma gracilis, n. s 206 



Lieut. E. G. Beckwith. 

 Tigoina gibboi<a, G .r •■ ; , 207 



Santa Cruz, John H. Clark; Tucson, Sonora, Dr. UeeDiuuni. 

 Tigoma nigrescent, n . .s 207 



Boca Grande and Janos Eiver.s, Dr. Kennerly. 

 Tigoma pulchra, n. s ^'07 



Chihuahua River and tributarie.'<, John Pott.s. 

 Tigoma crassa, n. s 207 



Sacramento River, Dr. Ifewberry. 



Cheo.nda, n. g 207 



Cheonda Cooperi, n. .s 207 



Fort Vancouver, Columbia River, Dr. John G. Cooper. 

 Cheonda ccerulea, n. s .' 207 



Lost River, Oregon, Dr. Newberry. 



SiBOMA, n. g 2(18 



Siboma craasicauda, G 208 



San Joa(iuin, Mercede, and Mohave Rivers, California, Dr. Heerniann. 

 Siboma atraria, n. s 208 



Spring in Utah Di.strict, near the Desert, Lieutenant Beckwitli. 



Ptychocheilus, Agass 20!) 



Pti/chochcihts grandis, G 209 



San Francisco, California, Dr. Xewberry. 

 Ptychocheilus Oregonensis, (} 209 



Fort Vancouver and Fort Steilacoom, Dr. Suckle y: Astoria, Lieutenant Trow- 

 bridge; Willamette River, Dr. Xewberry. ' 

 Ptychocheilus rapax, n. s oQg 



Monterey, California, Lieutenant Trowbridge. 

 Ptychocheilus Iticius, n. s '. oog 



Rio Colorado, A. Schott. 

 Ptychocheilus vorax, n. s 209 



Lieut. E. G. Beckwith. 



AI'PKN'DIX. 



Hybognathus rcgius, u. s 209 



Potomac River, Dr. Girard. 

 Hybognathus nitidus, G ojo 



Lake Champlain, S. F. Baird 



HuDSONius, n. g 210 



Hudsonius fluviatilis, G -ij,) 



Chicago Harbor, Lake Michigan, and Root River, "Wisconsin, S. F. P.aird. 

 Hudsonius amarus, n. s 210 



Chesapeake Bay and up the Potomac River. 



Hybopsis, Agass 210 



Hybopsis Utorerianus, G ". 211 



Marietta, Ohio, Professor Andrews: ItiisselU ille, Kentucky. Dr. Slimiiard. 

 Hijbopsis Winchelli, n. s 211 



Black Warrior River, Alabama, Professor Wiuchcll. 



