2. MOXOSTOMA. 21 



and pharyngeal teeth identical with those of Vacostomus in all essen- 

 tial points. 

 United States. 



1 . Moxostoma oblongum. 



Cj-prinus oblongus, Mitchell, Lit. i^- Phil. Trans. Nciv York, i. p. 450. 

 Catostoiuus oblongus, Lesneur, Journ. Acad. Nat. Sc. Fhilad. 1817, i. 



p. 108 (not Cuv. 8) Val). 

 PCatostomus gibbosus, Lesueur, I. c. p. 02 (D. 17). 

 Catostomus vittatus, Lesueur, I. c. p. 104 (young). 



tuberculatus, Lesueur, I. c. p. 93 ; Cuv. ^ Val. xvii. p. 444 ; 



Dekay, New York Faun. Fish. p. 199, pi. 31. fig. 97 (male) ; Storer, 

 Report Ichth. Mass. p. 85. 



Labeo elegans, Dekay, I. c. p. 102, pi. 31. tig. 100. 



oblongus, Dekay, I. c. p. 103, pi. 42. fig. L36. 



gibbosus, Dekay, I. c. p. 104, pi. 32. fig. 101. 



esopus, Dekay, I. c. p. 105. 



Catostomus gibbosus, Storer, Mem. Amer. Acad. 1855, v. p. 291, pi. 



92. fig. 4. 

 Moxostoma oblongum, Ayassiz, Am. Journ. Sc. <§• Arts, 1855, xix. 



p. 86. 



D. 15. A. 9. L. lat. 44-47. L. transv. 21. 



The height of the body is contained three times and one-third iu 

 the total length (without caudal), the length of the head four times 

 and one-third. Lips corrugated, the upper narrow, the lower rather 

 broad and bUobate. Eye very small, in the middle of the length of 

 the head ; suborbital of moderate width, narrower than the fleshy 

 portion of the cheek below it. Scales on the fore part of the trunk 

 smaller than those of the tail. Coloration uniform. 



United States. 



a. Adult. Charles River, Massachussets. Presented by Th. Moore, 

 Esq. 



b-c.. Adult, in bad state. North America. Purchased of Mr. War- 

 wick. 



d. Adult. North America. 



Catostomus oblongus, Cuv. & Val. x\ii. p. 441, is perhaps a distinct 

 species, as it is said to have only thirty-five transverse series of 

 scales. 



2. Moxostoma tenue. 



Moxostoma tenue, Agassiz, Amer. Journ. Sc. 8)- Arts, xix. 1855, p. 88 

 (name only). 



claviformis, Girard, Proc. Ac. Nat. Sc. Philad. 1856, p. 171 ; 



V. St. Pac. R. R. Fxped. Fish. p. 219, pi. 48. figs. 5-9. 



D. 13. A. 9. 'L. lat. 45. L. transv. 17. 



The height of the body is two-sevenths of the total length (with- 



(Kirtland, Bost. Journ. Nat. Hist. v. p. 209, pi. 20. f. 2, appears to 

 have figured some species with a lateral line.) 

 3. Moxostoma kennerlii, ? = M. victorite, ?==M. campbeUi, Girard, Proc. 

 Acad. Nat. Sc. Philad. 185(5, p. 171, and U. St. Sf Mex. Boimd. Survey^ 

 Ichthyol. p. 34, pi. 20.— Texas. 



