64 Annals of the Carnegie Museum. 



the last ray. Ventrals on the vertical from the origin of the dorsal. 



Ventrals just barely or not quite reaching the anal, pectorals reaching 



the second scale in front of the ventrals. 



Humeral spot small, roundish, or roughly triangular, often intense. 



A black line at the base of the anal. A narrow black lateral stripe. 



No true caudal spot, sometimes a dusky spot at the base of each caudal 



lobe. Each scale of the back often with a single intense dark spot. 



Scales of the sides often outlined with dusky. Scales of all, except the 



upper three series, iridescent, the last few on the end and middle of the 



caudal peduncle rich copper-colored. In life adipose yellow and dorsal 



yellowish. 



Hemigrammus analis sp. nov. 



Type, 35 mm. (No. 1466 Carnegie Museum Catalog Fishes.) 

 Rockstone. 



Cotypes, 21 specimens, 24-29 mm. Gluck Island. (C. M. Cat. 

 No. 1468, a-e ; I. U. Cat. No. 11919.) 



Cotypes, 72 specimens, 19-36 mm. Rockstone. (C. M. Cat. 

 No. 1467, a-j "; I. U. Cat. No. 11918.) 



Cotypes, 2 specimens, 29-35 ram « Wismar. (C. M. Cat. No. 

 1469, a ; I. U. Cat. No. 11920.) 



Distinguished by distinct silvery lateral stripe, distinct but not 

 heavy humeral spot. Each mid-dorsal scale with one large round 

 black spot, no caudal spot. Anal short ; teeth all multicuspid. 



Head 3.5-3.75, depth 3- 2 5-3-5°; D - ".A 12-14; scales 5-30 

 to 32-3 ; eye 2 J in head, snout § of the eye, interorbitals less than the 

 eye, about 2.75 in the head. 



Compressed, head at base of occipital process J of the greatest 

 depth. Preventral region rounded, without regular series of median 

 scales, postventral region narrow. Predorsal region rounded, having 

 a regular median series of eight scales. 



Occipital process one-fifth of the distance from its base to the origin 

 of the dorsal, bordered by two or three scales. Interorbitals flat. 

 Frontal fontanel small, triangular, narrower than the parietal ; half 

 the length of the parietal without the occipital groove. Second sub- 

 orbital leaving a narrow naked margin below and behind. Snout 

 short. Mouth large. Lower jaw protruding beyond the upper when 

 the mouth is open. Maxillary not so long as the eye. Mandible 

 equal to the eye. Premaxillary with three or four five-pointed teeth 

 in the outer row and five five-to seven-pointed teeth in the inner row. 



