416 CALIFORNIA ACADEMY OF SCIENCES. 



370, Rhinelepis lophophanes. 



Rhinelepis lophophanes Eigenm. & Eigenm. Proc. Cal. Acad. 2d Ser. 



ii, 42, 1889 (Santa Cruz). 

 Type: No. 8164; one specimen .018 to base of caudal. Santa Cruz. 



Dom Pedro II. 



Body short and deep, the greatest depth equal to the 

 greatest width. Head short scarcely wider than high, 

 its depth If in its length. Occipital with three strongly 

 spiniferous ridges, the median one highest, short, term- 

 inating suddenly with occipital. The two other crests 

 extending from above the posterior margin of the eye to 

 the margin of the occipital; other crests extending from 

 the orbit back to the edge of the temporal plate. Nasal 

 pits large, margined by spiniferous ridges; two diverging 

 series of spines extending from between the nares to the 

 margin of the snout. Loreal region concave. Lower 

 surface of head naked, the naked portion bordered by a 

 series of strong recurved spines. 



Eye small, slightly in front of the middle of the head. 



Coracoid and scapula granular; belly with a small 

 granular plate between the posterior margin of the ven- 

 trals and a larger plate behind the pectorals, otherwise 

 naked; lateral and dorsal plates with a conspicuous me- 

 dian keel. 



Dorsal inserted slightly behind origin of veiitrals, 

 considerably nearer tip of snout than base of caudal ; ori- 

 gin of ventrals equidistant from gill-opening and origin 

 of anal. 



Traces of a dusky lateral band which is continued on 

 the middle caudal rays. 



D. I, 7. A. 6. Lat. 1. 22. 



371, Rhinelepis agassizii, 



Rhinelep'^ ctt/a*hji Steindachner. Siisswasserfische Siidostl. Bras, 

 iv, 12, 1877 (Lake Manacapuru); id. Flnssfische Siidam. iv, 7, 

 1882 (Kio Huallaga); Eigeiim. & Eigenm. Proc. Cal. Acad. 2d 

 Ser. ii, 42, 1889. 



Hiibitat: Manacapuru; Kio Huallaga. 



One specimen .12 m. to base of caudal. Manacapuru. 



