EIGENMANN: the PYGIDIID^, a family of south AMERICAN CATFISHES. 287 



ray scarcely produced, shorter than head; anal inserted under the eighth dorsal ray; 

 caudal emarginate, the upper lobe slightly produced and pointed, the lower obtuse. 

 Color uniform. 



6. Hatcheria macraei (Girard.) 



Thrichomycterus macrcei Girard, U. S. Naval and Astron. Exped., 1855, p. 245 



(Uspullata, 7,000 feet). 

 Pygidium macrcei Eigenmann & Eigenmann, Proc. Cal. Acad. Sci. (2), II, 1889, 



p. 51 (Uspullatuo*) ; Occasional Papers Cal. Acad. Sci., I, 1890, p. 328; Proc. 



U. S. Nat. Mus., XIV, 1891, p. 36; Delfin, Catalogo de los Peces de Chile, 



1901, p. 29. 

 Hatcheria macrcei Eigenmann, Reports Princeton Univ. Exped. Patagonia, III, 



1909, p. 248, plate XXXII, figs. 1, la and 16; 1910, p. 399. 



Habitat. — Eastern slope of the High Andes of central Chile. 

 7458a-j, C. M., 24-113 mm. San Juan, Argentina, Feb. 25, 1909, Haseman. 

 7549a-/, C. M., 37-70 mm. Rio Colorado, March 5 and 6, 1909, Haseman. 



#^^\ 







*— -ij-- -fc^ A ■■ 



Fig. 6. Hatcheria macraei (Girard). After Eigenmann. From No. 8298, Mus. Comp. Zool., 

 Uspullata, Chile. 



Head 6.5; depth 7; D. 21 or 22, rarely 20 or 23; A. 10. Elongate, rather com- 

 pressed, especially backward. Head nearly or quite as broad as long, snout rounded ; 

 eye small, midway between tip of snout and end of opercle; none of the barbels 

 reaching the gill-opening. Gill-opening scarcely continued forward, joined to the 

 isthmus for a distance equal to half the width of the mouth. Pectorals obliquely 

 truncate, the first ray not produced in the type, or slightly produced in the speci- 



* ? A misprint for Uspullata ? ■ " Uspullatuo " is not found in gazetteers or on maps. Editor. 



