120 U. S. BUREAU OF FISHERIES 



851. Tigoma pulchella (Girard). Pescadilo; Chub of the Rio Grande. 



Rio Grande and other Mexican rivers. 



Gila pidchella Baird and Girard, Proc. Acad. Nat. Sci. Phila., VII, 1854, 



29, Rio Mimbres, Chihuahua; not Lcucisciis pulchella Storer, a 



Chetlone)7ius. 

 Tigoma nigrescens Girard, loc. cit., VIII, 1850, 207, Boca Grande and 



Rio Janos, Chihuahua, Mexico. 

 Tigoma pulchra Girard, loc. cit., 207, Boca Grande and Rio Janos; 



Chihuahua River, Mexico. 

 Clinostomus pandora Cope, Hayden's Geol. Surv. Mont., 1871, 475, 



tributaries Rio Grande, Sangre do Cristo Pass. 

 Gila gida Cope, Wliecler's Surv., Zool., V, 1875, 661, Rio de Acama and 



near Fort Wingate, N. Mex. 

 Cheonda modcsta Garman, Bull. Mas. Comp. Zool., VIII, 1881, 92, 



Rio Salinas, Saltillo, Coahuila. 

 Gila conspersa Garman, loc. cit?, VIII, 1881, 91, Rio Nazas, Coahuila, 



Mexico. 



852. Tigoma bicolor Girard. 



Klamath Lake, Oreg. 



Tigoma bicolor Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 206, 



Klamath Lake, Oreg. 

 Cheonda caerulea Girard, loc. cit., 207, Lost River, Oreg. * 



853. Tigoma pulverulenta (Cope). 



MyloUucus pulveridentus Cope, Hayden's Geol. Surv. Mont., 1871, 

 475, Warm Springs, Utah. 



Myloleucus is a synonym of Tigoma. In his .study of these species, 

 according to Fowler, Professor Cope by accident replaced the single- 

 rowed teeth of a Siphateles in his type example of Myloleucus pul- 

 rcrulentus, a species having teeth in "two rows. 



Subgenus TEMECULINA Cockerell. 



854. Tigoma orcutti (Eigenmann and Eigenmann). 



Temecula, San Luis Rev, San Jacinto, and Santa Ana Rivers, California. 

 Phoxinus orcutti Eigenmann and Eigenmann, Proc. Calif. Acad. Sci., 

 2nd ser., Ill, 1890, 2, Temecula River, Riverside County, Calif. 



Genus 313. SIBOMA Girard. 



Siboma (iirard, Proc. Acad. Nat. Sci. Phila., VIII, 1850, 209 {S. crassi- 

 cauda Girard). 



855. Siboma crassicauda (Baird and Girard). Sacramento chub. 



Rivers of California; generally abundant in the Sacramento and San 



Joaquin Rivers. 

 Lavinia crassicauda Baird and Girard, Proc. Acad. Nat. Sci. Phila., 



VII, 1854, 137, San Joaquin River. 

 Tigoma crassa Girard, loc. cit., VIII, 1856, 207, Sacramento River. 



856. Siboma conformis (Baird and Girard). 



Tulare Valley and Sacramento-San Joaquin Basin, Calif. 

 Lavinia conformis Baird and Girard, Proc. Acad. Nat. Sci. Phila., VII, 

 1854, 137; Poso Crock, Tulare County, Calif. 



Genus 314. CLINOSTOMUS Girard. 



Clinostomus Girard, Proc. Acad. Nat. Sci. Phila., VIII, 1856, 211 

 (Luxilus elongatus Kirtland). 



857. Clinostomus elongatus (Kirtland). Red-sided shiner. 



Groat l.akos, upper Mississippi Valley, and New York. 



Luxilus elongatus Kirtland, Rept. Zool. Ohio, 1836, 169, 193, Mahoning 



River, Ohio, and Lake Eric near Cleveland. 

 Leuciscus productus Storer, Synopsis, 1846, 416, Wabai?h River. 

 ILeuciscus longiroslris Kirtland, The Family Visitor, Mar. 14, LS50, 



Cleveland, Ohio, and Hudson River. 

 Squalius proriger Cope, Proc. Acad. Nat. Sci. Phila., XVI, 1864, 280, 



Michigan. 



