166 MB. C, TATE REGAN ON SOUTH- AMERICAN [Mar. 7, 



Diameter of eye 41- 5| in the length of head, length of snout S-S^, 

 interorbital width 3g-4-|. Nostril nearly equidistant from eye 

 and tip of snout. Maxillary extending to below anterior margin 

 of eye; depth of preeorbital ^— |- the diameter of eye. Anterior 

 teeth forming 6 or 7 series in the upper jaw, 4 or 5 in the lower. 

 10-12 gill-rakers on the lower part of anterior arch. Scales 

 denticulated, except on the head, the lower paints of thorax and 



abdomen and anteriorly above the lateral line, 120-130 ggij-^j 

 106-113 in a longitudinal series below the lateral line, 10 or 11 

 between last dorsal spine and lateral line, 4-6 between tipper and 

 lower lateral lines. Lateral line 25-27 + 14-15. Dorsal XXII- 

 XXIII 15-17, the spines svibequal or only slightly increasing from 

 :\bout the seventh, the last ^ the length of head. Anal III 

 10-12. Pectoral -2—1-, ventral 4—^ the leng-th of head. Caudal 

 peduncle as long as or a little longer than deep. Brownish ; a dark 

 spot above the pectoral and another on the middle of the basal 

 part of caudal ; dorsal and anal with a dark edge and sometimes 

 a light intramarginal band. 

 Brazil; Guiana; Venezuela. 



1, 2. (159 aud 250 mm.) British Guiana. Sir R. Schomburgk. 



3. (261 mm.) R. Capin. 



4. (255 mm.) E. Essequibo. Mr. Ehrhardt. 



13*. Crenicichla cincta, sp. n. 



CrenicicMcc hrasiliensis, var. fasciata (non Cychla fasciata 

 Schomb.) Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 383, fig. 

 (1904). 



Depth of body 44 in the length, length of head 3-1-. Diameter 

 of eye 4| in the length of head, length of snout 3|-, interorbital 

 Avidth 3|. ISTostril a little nearer to eye than to tip of snout. 

 Maxillary extending to below anterioi' margin of eye ; depth of 

 prfeorbital i the diameter of eye. Anterior teeth forming 7 series 

 in the upper jaw, 4 in the lower. 10 gill-rakers on the lower part 

 of anterior arch. Scales denticulated, except on the head, the 

 lower part of thorax and abdomen and anteriorly above the lateral 



line, 152^, 120 in a longitudinal sei'ies below the lateral line, 11 

 between last dorsal spine and lateral line, 6 between upper and 

 lower lateral lines. Lateral line 28 + 17. Dorsal XXIII 15, the 

 spines subequal from the tenth, the last ^ the length of head. 

 Anal III 12. Pectoral |, ventral | the length of head. Caudal 

 peduncle 1| as long as deep. Olivaceous, with 9 or 10 dark vertical 

 cross-bars on the upper half of the body ; a dark longitudinal stripe 

 from eye to above the pectoral ; soft dorsal Avith a few large dark 

 spots ; caudal brownish, with round or oval light yellowish spots 

 and with a blackish spot on the basal part, just above the lateral line. 



Mara jo Island ; Para. 



1. (172 mm.) type of the species. Para. Dr. E. A. Goldi. 



* The name fasciata is preoccupied in this genus by the Cychla fasciata of 

 Schombiirgk, which I regard as a synonym of CrenicicMa Johanna Heck. 



