Haseman : Expedition to Central South America. 365 



the length of the head; soft fins scaleless; fin truncate; caudal 

 peduncle one and one-fourth times as long as deep; pectorals not 

 extending to the anal sjiincs; fins almost spotless, being dark at their 

 bases and black-edged; end of caudal jieduncle and base of the caudal 

 black, appearing like a large spot; a dark median lateral spot and a 

 few or no blue spots on the head and the body. 



The ty])e is 8.7 cm. long and is an extreme in color and shape. 

 There is greater difference between these specimens and the same-sized 

 typical G. brasiliensis than there is between G. brasiliensis and brachy- 

 uriis. If the intermediate stages did not exist, these specimens might 

 warrant gi\ing them specific rank. 



69. Geophagus brasiliensis itapicuruensis, var. nov. (Plate LXXII.) 

 No. 2~()T,a-g, 7-11.3 cm., Queimadas, Rio Itapicuru, March 2, 1908. 



Caudal peduncle three-fourths as long as deep; one with D. XIII, 

 13; depth 2; head 2.63; eye 4; snout 2.1; interorbital space 3 in head; 

 scales 5-26-8; dorsal, anals, and ventrals edged with black, only a 

 few spots on the last dorsal and anal rays; four broad lateral bands 

 with a median lateral spot on one of them below the ninth to the tenth 

 scales of the lateral line; ten gill-rakers on the lower anterior arch; 

 the long dark lateral spot is characteristic of all specimens from 

 the Itapicuru. These specimens spawn like the sun-fish. The type 

 is 1 1.3 cm. long. 

 No. 2794, 10.5 cm., Rio Paiaia, near Bom Fim, Nov. 8, 1907. 



D. XIV, 12; A. Ill, 8; depth 2.5; head 2.75; eye 3.8; snout 2.16; 



19 

 scales 4-27-8; pores ; gill-rakers on the lower anterior arch; caudal 

 10 



peduncle seven-eighths as long as deep; pectoral fins extend to the 

 anal spines; vertical fins with a few spots, otherwise dark; no blue 

 spots on the body; four heavy broad black cross-bands on sides and 

 a heavy band below the eye; five rows of scales on the cheeks. 

 No. 2795, 9.5 cm., Rio Zinga, near Bom Fim, Bahia, Nov. 7, 



1907. 



Depth 2.33; head 3; caudal peduncle seven-eighths as long as deep. 

 The shorter caudal peduncle, color, and rounder body are character- 

 istic of all specimens from the Itapicuru. The form from the Para- 

 guassLi is intermediate between this variety and the typical Parahyban 

 form. 



70. Geophagus balzanii Perugia. 



No. 2797, 4.5 cm., Campos Alegre, Rio Jauru, June 21, 1909. 



