434 MEMOIRS OF THE CARNEGIE MUSEUM 



Head 8.25-9.25, greatest depth 7-9 in the length to the end of the anal; anal 

 rays 220-260; snout 3.3-3.7; interorbital about 3 in the head; eye 2.5 in the inter- 

 orbital, 2.5-3 in the snout, and about 6 in the head. 



Body rather cylindrical, though slightly compressed caudad; head chubby but 

 somewhat conical; width of head 2-2.5, depth of head in occipital region about 

 1.75 in greatest depth; anus twice the diameter of the eye behind the vertical from 

 the eye; dorsal profile of the head distinctly slanting, that of the body weakly 

 convex; ventral profile regularly convex. 



Snout short and truncate; mouth small; gape very short; eyes moderately 

 small; jaws equal. 



Caudal peduncle 4.5-5 in the total length; pectorals 1.5-2 in the head; origin 

 of the anal about the length of the snout behind the origin of the pectorals. 



Ground-color buff, overlaid with chocolate-brown; dorsal parts dark, ventral 

 lighter; numerous bands of dark brown crossing the body but not the anal; lateral 

 line buff; head dark; fins bluish white to hyaline; rays more or less black. 



277. Hypopomus artedi (Kaup). 

 - Seba, Locupl. Rer. Nat. Thes. Ace. Descr., Ill, 1748, pi. 32, fig. 2. 



Rhamphichthys artedi Kaup, Cat. Apod. Fish, 1856, 128. 



Hypopomus artedi Eigenmann and Ward, Proc. Wash. Acad. Sci., VII, 1905, 



170. — Eigenmann, Repts. Princeton Univ. Exp. Patagonia, III, 1910, 449. 

 Brachyrhamphichthys artedi Eigenmann and Eigenmann, Proc. U. S. Nat. Mus., 



XIV, 1891, 62. 

 Rhamphichthys mulleri Kaup, Cat. Apod. Fish, 1856, 129 (French Guiana). 

 Hypopomus mulleri Gill, Proc. Acad. Nat. Sci. Phila., 1864, 152. 

 Brachyrhamphichthys mulleri Eigenmann and Eigenmann, Proc. U. S. Nat. 



Mus., XIV, 1891, 62. 



Two specimens, 155-165 mm. Lama Stop-Off. (C. M. Cat. No. 1799a; 

 I. U. Cat. No. 12619.) 



Four specimens, 170-174 mm. Wismar. (C. M. Cat. No. 1800a; I. U. 

 Cat. No. 12620.) 



Two specimens, 80-160 mm. Gluck Island. (C. M. Cat. No. 1801a; I. 

 U. Cat. No. 12621.) 



One specimen, 175 mm. Kumaka. (C. M. Cat. No. 1802a.) 



One specimen, 130 mm. Christianburg. (C. M. Cat. No. 1803a.) 



Head 7.5-8.25, greatest depth 10-11 in the length to the end of the anal; 

 snout 2.9-3.5, interorbital 5-6 in the head; eye about 2.5 in the snout, 1.8 in the 

 interorbital and 5.8-6.8 in the head. 



