15G 



CATOSTOMIDAE. 



126. CATOSTOMUS Le Sueur. 1817. 



i Acomus and Miuomus Girard, 185(5. 



621. C. lonarirostrum Le Sueur; {srn. CJiudsomiis he Sneav.) Great Lakes 

 and North. 



522. C. forsterianus Rich. (syn. Cat. aurora Ag.). Great Lakes, Upper 



Mississippi aud North, d. s. 



523. C g'liseus Grd. Sweet Water River. 



524. C. Lactarius Grd. Milk River, d. s. 



525. C. generosus Grd. Utah. 



520. C. teres (Mitch.) Le S. Maine to Great Plains. 



527. C. occideutalis Ayres. California. 



528. C. labiatus Ayres. Klamath Lake. 

 52!). C luacrochillis Grd. Oregon. 



530. C. siickleyi Grd. Milk River. 



531. C. alticolus Cope. Twin Lakes, Col. 



532. C. discobolus Cope. New Mexico, Arizona. 



533. C feeundus Cope and Yarrow. Utah Lake. 



534. C latipiiinis (Grd.) Cope. Gila River. 



535. C g'lizmaniensis (Grd.) Cope. Utah Lake. 

 636. C. texanus Abbott. Colorado River. 



537. C. eliloropterus Abbott. Kansas, d. s. 



538. C clarkii B. and G. Rio Santa Cruz. 



539. C. plebejus B. and G. Gila River. 



640. C insignis B. and G. Arizona, New Mexico. 



127. PANTOSTEUS Cope, 1876. 



541. P. platyrliynchus Cope. Proro River, Utah. 



542. P. yarrowi Cope. Colorado and New Mexico. 



643. P. Tirescens Cope. Arkansas River. 



644. P. dolphiuus Cope. Colorado River. 



645. P. bardus Cope. Colorado River. 



1.28. HYPENTELIUM Rafinesque, 1820. d. g. 

 (syn. Hylomyzon Agassiz, 1855.) 



646. H. nigricans (Le S.) Jordan. New York to Minnesota and South. 



