Jordan and Evermann. Fishes of North America. 179 



of papilla); 4 to 6 in specimens from eastern Colorado, (var. sucklii). 

 Scales crowded anteriorly, much larger on the sides than below ; scales 

 10-64 to 70-9. Coloration olivaceous ; males in spring with a faint rosy 

 lateral band ; young brownish, more or less mottled, often w*ith confluent 

 blackish lateral blotches or a lateral band. Lateral line imperfect in the 

 very young. D. usually 12. L. 18 inches. Streams and ponds from 

 Quebec and the Great Lakes to Montana, Colorado, and southward to 

 Missouri and Georgia ; the commonest of the suckers, excessively abund- 

 ant from Massachusetts west to Kansas. Variable; western specimens 

 (suckUi) have broader lips and approach C. Ardens. (To Philebert Com- 

 merson, an able early French naturalist and traveler, whose collections 

 \vere studied by Lacdpede.) 



Gyprinus commersonii,* LACEPEDE, Hist. Nat. Poiss., v, 502, 1803, locality unknown. 



Cyprinm teres, MITCHILL, Trans. Lit. and Phil. Soc. N. Y. 1815, 458, New York. 



Catostomwt teres, GUNTHER, Cat., vir, 15, 1808 ; JORDAN, I c., 166, 1878. 



Catostomus communis, Delaware River, and bostonensis, Boston, LE SUEUB, Jour. Ac. Nat. Sci. 



Phila., i, 1817, 95, 106, etc. 



Catostomm commersonii, JORDAN & GILBERT, Synopsis, 129, 1883. 

 Catostomm flexuosns, BAFINESQUE, Ich. Oh., 59, 1820, Ohio River. 

 Catostomus retimlalus, RICHARDSON, Fauna Bor. Am : Fishes, 303, 183C, Albany River, (Scales 70 



to 77). 



Catostomus gracilis, KIRTLAND, Kept. Zobl. Ohio, 168, 1838, Cleveland, Ohio, etc. 

 Catostomuspallidus, DE KAY, New York Fauna: Fishes, 200, 1842, New York. 

 Catostomus sucHii, GIRARD, Proc. Ac. Nat. Sci. Phila., 1856, 175, Milk River, Montana. 

 Catostomus chJoropteron, ABBOTT, Proc. Ac. Nat. Sci. Phila., 1860,473, Kansas. 

 Calostommallicolm, COPE & YARROW, Wheeler Survey, Zool.,v, 677, 1876, Twin Lakes, Colorado. 



(Type, Nos. 15777 and 12915.) 



Moxostoma trisignatum, COPE, I. c.,679, 1876, Arkansas River, Pueblo, Colorado. 

 Caloslomus utawanarf MATHER, Twelfth Report N. Y. Fish. Com., Survey of Adirondacks, 1884, 



36, a dwarf form from Blue Mountain Lakes, New York. (Type, No. 33918.) 



290. CATOSTOMUS ARDENS, Jordan & Gilbert. 



(MULLET OF UTAH LAKE.) 



Head 3 ; depth 4|. D. 12 or 13. A. 7. Scales 12-70 to 72-12. Body 

 rather elongate, little compressed, the back broad. Head broad, conical. 

 Mouth entirely inferior, the mandible nearly horizontal; upper lip very 



*The Cyprinus commersonii of Lacepede is a sucker and probably this species rather than C. 

 catostomns. The description is, however, very imperfect and the type said to have been observed 

 by Commerson in the East Indies; a statement apparently derived from a confusion of manu- 

 scripts and specimens of Commerson with those of Bosc, who collected at Charleston. Lacepede 

 was indebted to Bosc for the next species he mentions, Cyprinus sucetta. Lartfpede's description 

 Is as follows: "Onze rayons a la dorsale; sept a la nageoire de 1'anus; iieuf a chaque ventrale; 

 huit a neuf a'chaque pectorale; la nageoire du dos et cello de 1'anus quadrilateres; 1'anule 

 etroite; Tangle de 1'extremite de cette derniere nageoiro tresaigu; la caudale en croissant; la 

 ligne laterale droite; la machoire supe'rieure, un peu plus avancee que celle d'en has; !<* ailU-s 

 arrondies et tres petites. Le Commersonuien dont nous publions lea premiers la description, 

 et que le eavant Commerson a observe, presento un double orifice pour chaque narine; sa tete 

 est denouee de petites ecailles; ses ventrales et ses pectorales eont arrondies a lour extremite"; la 

 dorsale e'eleve vers lo milieu de la longueur totale du poisson." 



tThe small "June sucker" of the Adirondacks thus described by Mather : "Olivaceous, white 

 below; males without red in the breeding season; body slender; head not small, flattened 

 above; enout little prominent; upper lip with 2 rows of papilla?; eye 4 in head, 2 in snout; 

 dorsal as long as high; pectorals nearly reaching front of dorsal; head 4. D. I, 11 ; A. 5 ; V. 9. 

 Scales 9-6 7-8; length of adult 4^ inches. Blue Mountain Lakes, Adirondack region. This 

 small fish I was at first disposed to consider as a dwarfed mountain form of C. teres, but the fact 

 that the latter fish is found in waters inhabited by this species, and while it grows to a lengtl 

 of 12 or more inches there, this little sucker barely reaches 5. Added to this the fact that 

 the larger species had finished spawning in the inlets in May, while this fish was found in 

 masses in the swift mountain streams which tumble rapidly over rocks in the latter part of 

 June, depositing their eggs, thereby showing that they are adult flab." 



