280 MEMOIRS OF THE CARNEGIE MUSEUM 



Forty-one specimens, 33-62 mm. Cane Grove r''oi'n(>r. (C. AT. C^at. No. 

 1907a-6; I. U. (^at. No. 12183.) 



Five specimens, 37-46 mm. Maduni Creek. (C. M. Cat. No. 1908a-6; I. U. 

 Cat. No. 12206.) 



One hundred and twentj^ specimens, 27-75 mm. Lama Stop-Off. (C. IVI. 

 Cat. No. 1924a-2; I. U. Cat. No. 12184.) 



One specimen, about 70 mm. Barima River. (C. M. Cat. No. 1909a.) 



Thirteen specimens, 54^69 mm. Issorora Rubber Plantation. (C. M. Cat. 

 No. 1910a-e; I. U. Cat. No. 12185.) 



One specimen, 58 mm. Creek in Mora Passage. (C. M. Cat. No. 1911a.) 



One hundred and twenty-six specimens, the largest 30 mm. Aruka River. 

 (C. M. Cat. No. 1912a-z; I. U. Cat. No. 12186.) 



Head 4.5-4.66; depth 4.5-5; D. 10; A. 12; scales 22-29 in a longitudinal 

 series, 5.5 between dorsal and ventral. Eye 1 in snout, 3.5 in head, 1.5 in inter- 

 orbital. 



Slender; head broad, flat, scaled to above preopercle; mouth oblique, pre- 

 maxillaries meeting at an angle; conical teeth along the margin of the maxillary, 

 increasing in size toward the upper angle; two widely separated series of teeth on 

 the premaxillary and the dentary; gill-rakers short and slender. 



Scales with radiating striae; axillary scale small, rounded, the series of scales 

 along the anal bent upward to form a basal sheath; a few irregular scales at the 

 base of the caudal lobes. 



Dorsal short and rounded, its height 4.5 to 5 in the length, or lanceolate, the 

 middle raj^s prolonged in some specimens, one-third of the entire length. Upper 

 caudal lobe much the longer, variable in size, when longest 2.5 in the length; anal 

 rounded, or the middle rays prolonged, 5 or 6 in the length; ventrals not to the 

 anus, or beyond the origin of the anal; pectorals not to the ventrals. 



Fins in specimens from Holmia light geranium-red; caudal yellow; lateral band 

 of the head continued in red on the body. Sides olive-green, with rusty spots. 



In the Gluck Island specimens the dorsal is red in front and below, adipose 

 brick-red, caudal greenish yellow, anal orange in front, greenish behind; ventrals 

 and pectorals yellowish, rows of rusty spots in front on lower part of sides. A 

 black band from the chin to the eyes or the opercle, or to a few scales beyond; 

 dorsal with a round black spot to nearly entirely black; anal and ventrals some- 

 times narrowly margined with black; frequently a dusky predorsal hne. 



The Kumaka specimens were olive-green with rusty spots, the anal and ventrals 

 margined with dark. 



