American Cichlid Genus Cichlosoinaj d&c. 435 



Depth of body 2 in the length, leuj^th of head 2|-3. 

 Snout shorter than postorbital part of head. Diameter of 

 eye 3-41 in the length of head, interorbital width 3-32- 

 Depth of prseorbital g-l^ the diameter of eye. Maxillary 

 slightly exposed, not extending to below the eye ; prae- 

 maxillary processes extending to above anterior \ of eye or 

 slightly beyond ; jaws equal anteriorly, or the lower slightly 

 projecting ; both jaws with the teeth of the outer series 

 regularly increasing in size anteriorly ; fold of the lower lip 

 usually more or less distinctly interrupted ; cheek with 4 or 

 5 series of scales; 7 or 8 gill-rakers on the lower part of 

 anterior arch. Scales 27-30 j*'^, 2 between lateral line and 

 base of anterior rays of soft dorsal. Dorsal XV-XVII 10-12, 

 commencing above the extremity of operculum, the spines 

 subequal or slightly decreasing from the sixth to the thirteenth, 

 thence increasing to the last, which is h the length of head ; 

 the soft fin scaly at the base. Anal V (VI 7) 8-9. Pectoral 

 f the length of head, extending to above origin of anal ; 

 ventral extending nearly to origin of anal. Caudal sub- 

 truncate or rounded. Caudal peduncle 3 as long as deep. 

 Light blue spots on head^ body, and vertical fins ; young 

 with 7 dark cross-bars, the third bearing a blackish blotch 

 below the lateral line, and with a dark spot on the base of 

 caudal. 



North-Eastern Mexico and Texas. 



1-2. (65 and 118 mm.) Matamoros. Smithsonian Institution. 



3-6. (39-62 mm.) co-types Tampico. Dr. D. S. Jordan, 



of N. carpintis. 



Heros teporatus, Fowler (Proc. Ac. Philad 1903, p. 321) 

 is based on a single specimen of 38 mm. from Tamaulipas. 

 It appears to differ from H. cyanuyuttatus only in the more 

 slender body (depth 2^ in the length). 



2. Herichthys Bocourti. 



Neetroplus Bocourti, Vaill. & Pellegr. Bull. Mus. Paris, 1902, p. 85 ; 

 Pellegr. Mem. Soc. Zool. France, xvi. 1903, p. 246 (1904). 



Depth of body 2 in the length, length of head 31. Dia- 

 meter of eye 3f in the length of head. Maxillary not 

 extending to below the eye ; fold of the lower lip slightly 

 interrupted ; cheek with 6 series of scales ; 9 gill-rakers 

 on the lower part of anterior arch. Scales 31 j-i- Dorsal 

 XVI 13, the spines only slightly increasing in length after 

 the fifth, the last more than ^ the length of head ; soft fin 

 scaly at the base. Anal V 10. Pectoral a little shorter 



29* 



