CALIFORNIA ACADEMY OF SCIENCES. 



spine. Coracoid plates projecting downward to form an obtuse 

 keel on each side of the belly. Lower lip with a short barbel on 

 each side. Facial ossification extending one-third the distance to 

 the maxillary. (Cope.) bicarinatua 4,~>2. 



cc. Eye 3| in the head, 1 in the snout and interorbital space. Cora- 

 coid processes wide, with convex inner margins, the surface striate. 

 Inferior lip beaded on margin, which easily separates, forming a 

 loop; no median barbel visible. Preorbital bone and shield single, 

 extending half way from orbit to maxillary. (Cope.) 



semiscitlatus 4,13. 

 6&. A single rictal barbel; two barbels near the symphysis which pass 



outward and connect with the maxillary barbels for a short distance. 



Coracoid process covering the entire breast and belly. D.I, 10 or 11. 



(BROCHIS.) 



d. Dorsal I, 10; adipose fin with a membrane; two median barbels on 

 the lower lip. (Cope.) (Jitter us 454. 



</<t. Dorsal I, 11; adipose fin without a membrane. Short, stout, 

 elevated and compressed; profile convex over the orbits, concave 

 above and below^them; maxillary [barbels extending to below the 

 middle of the eye. Eye 4 in the head, more than 2 in the snout. 

 Head 3; depth about 2J; A. 8; V. 6; P. I, 9. (Cope.) 



coeruleus 455. 



451, Brochis taiosh. 



Callichthys taiosh Castelnau, Anim. de 1'Amer. du Sud. pi. 19, 



fig. 1. 

 Brochis taiosh Eigenni. & Eigenm. Proc. Cal. Acad. 2d Ser. i, 165, 



1888 (name only). 



This species is known only from a drawing; no type 

 is preserved. 



452, Brochis bicarinatus. 



f'hrcnolhorax bicarinatus Cope, Proc. Am. Philos. Soc. 1878, 079 



(Peruvian Amazon). 

 Brochis bicarinatus Eigenm. & Eigenm. 1. c. (name only). 



This species is known only from Dr. Cope's descrip- 

 tion. 



453, Brochis semiscutatus. 



Corydora* .sv in'iKi-nffifiix Cope, Proc. Acad. Nat. Sci. Philad. 1871, 280, 



pi. 6, fig. 1 (Ambyiacu Elver). 

 Brochis semiscutatus Eigenm. & Eigenm. 1. c. (name only). 



454, Brochis dipterus. 



H,-n,-h'i diptervt Cope, 1. c. 1871, 278 (Ambyiacu Eiver). 



455, Brochis coeruleus. 



t!* earttfetu Cope, 1. c. 277, pi. vii, fig. 2, and pi. ix, fig. 3 

 (Ambyiacu River). 



