164 ME. C. TATE REGAN ON SOUTH-AMERICAN [Mar. 7, 



Cavidal peduncle 1^ as long as deep. Brownish ; a dark longi- 

 tudinal band fi^om tip of snout tlirougii eye to extremity of caudal ; 

 upper part of body with traces of dark cross-bars ; a dark oblique 

 stripe iDelow the eye ; a dai"k ocellated spot on the base of the 

 caudal, just above the latera,! line ; dorsal with longitudinal series 

 of greyish spots ; caudal with a dark lower margin. 

 R. Amazon ; R. Paraguay ; Eastern Brazil. 



1. (146 mm.) R. Parana. Mr. Salmiu. 



2. (167 mm.) Descalvados, Matto Grosso. Dr. Ternetz. 



9. Ceenicichla acutirostris. (Plate XIV. fig. 3.) 



Crenidclila acutirostris Glinth. Oat. Fish. iv. p. 307 (1862) ; 

 Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 384 (1904). 



Depth of body nearly 6 in the length, length of head Sg. 

 Diameter of eye 54 in the length of head, length of snout 2|, 

 interorbital width 4|. ISTostril a little nearer to eye than to tip 

 of snout. Maxillaiy not extending to below the eye ; depth of 

 prseorbital nearly | the diameter of eje. Anterior teeth forming 

 7 series in the upper jaw, 4 in the lower. 9 gill-rakers on the 

 lower part of anterior arch. Scales denticulated, except on the 

 head, the lower parts of thorax and abdomen and anteriorly above 



the lateral line, 125 g^, 113 in a longitudinal series below the 

 lateral line, 7 between last dorsal spine and lateral line, 5 between 

 upper and lower lateral lines. Lateral line 26-1-14. Do]\sal XXI Y 

 14, the spines subequal from about the tenth, the last | the length 

 of head. Anal III 11. Pectoral as long as ventral, a little more 

 than ^ the length of head. Caudal peduncle a little longer than 

 deep. Brownish, with 10 dark cross-bars on the U23per part of the 

 side ; anal with a nari'ow dark edge. 



River Cupai. 



1. (217 mm.) tj-pe of the si^ecies. E. Cupai. 



10. Ceenicichla multispinosa. 



Crenicichla multispinosa Pellegr. Bull. Mus. Paris, 1903, p. 124, 

 and Mem. Soc. Zool. France, xvi. 1903, p. 380, pi. vi. fig. 3 (1904). 



Depth of body 5j in the length, length of head dp Diameter 

 of eye nearly 6 in the length of the head, length of snout 2|-, 

 interorbital width 3i. Xostril nearer to eye than to extremity of 

 snout. Maxillary not extending to below the eye ; depth of prfe- 

 orbital4- the diameter of eye. Anterior teeth forming 8 series 

 in the upper jaw, 4 in the lower. 10 or 11 gill-rakers on the 

 lower part of ante]:"ior arch. Scales denticulated, except on 

 the head, the lower parts of thorax and abdomen and above the 



upper lateral line, 118 4-3, 102 in a longitudinal series below the 

 lateral line, 9 between last dorsal spine and lateral line, 5 between 

 upper and lower lateral lines. Lateral line 27-|-14. Dorsal 

 (XXIV) XXV 13 (14), the spines subequal from about the eighth, 

 the last ^ the length of head. Anal III 9 (10). Pectoral |, 

 ventral | the length of the head. Caudal peduncle a little longer 

 than deep. Brownish, with numerous small white spots on the 



