1. CATOSTOMUS. X9 



a. Fine specimen. Lake Erie. Purchased of Mr Wright 



6-c loung: skius. Erie Canal. From Mr. ParneU's CoUection. 



; e^y young, united states. From Mr. PanieU's Collection 

 e. Idult : stuffed. Pine Island Lake. Presented by Sir J. llich- 

 ardson.— Type of 0. sxeurli. 



/. Nineteen inches long: stuffed. Albany River. Presented by Sir 



J. iuchardson. 

 c/-h. Adult : stuffed. North America. 



13. Catostomus congestus. 



Catostomus congestus, Baird 4'- Girard, Proc. Ac. Nat. Sc. Phi/ad. 

 ioo4, p. 2t. 



Ptychostomus congestus, Giranl, in U. St. 8>- Me.v. Pound. Survey, 

 Ichtlnjol. p. 3G, pi. 21. figs. 5-8. ■^' 



D. 13-14. A. 9. L. lat. 46. 



The height of the body is contained thrice and four-fifths in the 

 total length (without caudal), the length of the head fom- times 

 and a half. Lower lip much thicker than the upper. Eye in the 

 middle of the length of the head. Scales on the fore part of the trunk 

 equal in size to those on the tail. (GVr.) 



Rio Salado, Texas. 



14. Catostomus fasciatus. 



Catostomus fascktua, (Lemeur) Cuv. S)- Val. xvii. p. 449: Kirtland, 



Post. Journ.Aaf.Iligf. V. -p. 271,^120. tig. 3. 

 Ptychostomus (Catostomus) melauops, {Rafimsque) Agmsiz, Amer. 



Journ. Sc. 8^ Arts, ix. 1855, p. 89. -> i ' J > 



D. 14-15. A. 8-9. L. lat. 45-48. L. transv. 6|/8. 



The height of the body is contained four times in the total length 

 (without caudal), the length of the head four times and oSe- 

 tliird. Lower lip thicker than the upper, not bilobed. Eye smaU 

 in the middle of the length of the head ; suborbitals broad, as broad 

 as, or rather broader thau, the fleshy portion of the check below, 

 i here are five longitudinal series of scales between the lateral Une 

 and the root of the ventral fin. Scales on the fore part of the trunk 

 equal in size to those of the tail. Each scale with a very distinct 

 brown spot at the base, the spots forming a continuous streak along 

 each series of scales. 



Mississippi, Ohio. 



a-h. Skins, 10 and 7 inches long. Ohio Canal. From Dr. PameU's 

 Collection. 



Ptychostomus hai/dem, Girard, in Proc. Ac. Nat. Sc. Philad 1856 

 p. 172, or in U. St. Pac. R. R. Exped. Fish. p. 220, pi. 49. figs 1-4* 

 is perhaps identical with this species ; however, this author does not 

 mention the form of the suborbital bones. 



o2 



