520 PROCEEDINGS OF THE ACADEMY OF [July, 



much darker, which is probably due to the preservation and also to 

 the locality. They differ also in having fewer scales with tubes. 

 Counts in 4 specimens from th-e Pypucu. 



A number of other specimens from the Pypucu, taken at random, 

 have the following number of tubes: 14, 15, 9, 18, 10, 12, 12, 13, 8, 11, 

 8, 13 (average nearly 12). 



65. Hemigrammus kennedyi Eigenmann sp. nov. Tarcui. 



Type No. 10,016, a specimen 57 mm. long (159). Campo Grande. 

 February, 1901. 



Co-types No. 10,063, 5 specimens taken with the type at Campo 

 Grande. 



Co-types No. 10,012, twenty-five specimens (267). Campo Grande. 

 June, 1901. 



Co-types No. 10,019, ten specimens (268). Campo Grande. June, 

 1901. 



Co-type No. 10,018, one specimen (241). Arroyo Trementina. 



This species closely resembles Pcecilurichthys multiradiatus Steind. 

 It differs widely from all other species of Hemigrammus. 



Description of type : 



Head ^^, depth 2\; D. 10; A. 46; scales 10-45-S. 



Compressed, ventral profile regularly arched, its lowest point be- 

 tween ventrals and anal; dorsal profile depressed at nape, angulated 

 at the origin of the dorsal. 



Eye large, h in snout, 2^ in head, 1 in interorbital. ]\Iouth small, 

 maxillary reaching to eye, no teeth on its margin. 



Suborbitals covering the entire cheek. Scales largest over pectorals. 

 Lateral line extending, with interruptions increasing in size and fre- 

 cjuency, to the last fourth of the anal. 



Dorsal midway l^etween tip of snout and caudal, directly over origin 

 of anal; caudal deeply forked; anal low and long, its length slightly 

 exceeding the height of the body; ventrals reaching to anal, pectorals 

 beyond origin of ventrals. 



A dark spot at base of caudal, a narrow dusky lateral l:»and. Base 

 of caudal raA-s and a spot just above the origin of the lateral line yellow. 



The co-t3'pes vary in some respects from the description given al;)0ve. 

 Anal 40-46; Lat. 1., 40-45. In a few specimens there is a blackish 



