5S ^Ir. C. T. Regan on the South- Americm 



* 

 lower part of anterior arch. Scales 27-30 |,^„ 1| or 2 

 between lateral line and anterior rays of soft dorsal, those of 

 the thoracic region smaller than on the sides of the body. 

 Dorsal XlV-XVl 10-13, the spines increasing in length to 

 tiie last, which is 'f-}, the length of head ; soft fin usually 

 with a few scales at the base in the adult. Anal III 8-9. 

 I'ectoral as long as the head, extending to above the origin 

 of anal. Candal rounded. Caudal peduncle nearly as long 

 as deep. Olivaceous, often with light blue spots on the sides 

 of the head and body ; a blackish blotch on the middle of 

 the side ; in the young a blackish stripe from occiput through 

 eve to angle of prteoperculum ; spinous dorsal brownish, 

 M*ith or without li^ht longitudinal stripes; soft dorsal and 

 anal with oblique light and dark stripes or series of spots, at 

 least posteriorly; caudal with vertical light and dark stripes. 

 Eastern Brazil. 



1. (130 mm.) type of A. r/i/mnopoyna. 



2-9. {70-220 mm.) Bahia. Dr. Wucherer. 



10-15. (110-227 mm.) Bahia. Dr. Wucherer. 



1(5-17. (157 and 171mm.) Brazil. Lord Stuart. 



18-19. (178 and 199 miij.) Santos. Mr. Salmin. 



20-22. (95-113 mm. J K. Parahyba. Mus. Comp. Zool. 



2."i-27. (93-136 mm.) Kio Grande do Sul. Dr. II. von Iherinfr. 



28-32. (93-178 mm.) I'orto Keal, Ivio M. Hardy du Dreueuf. 



Janeiro. 



33-34. (157-244 mm.) Rio Janeiro. Prof. A. Agasiiz. 



35. (203 mm.) Bio Janeiro. Capt. Milner. 



9. Geophagus crassilabris. 



Geophagus {Satanoperca) crassilabris, Steind. Sitzb. Ak. "Wien, Ixxiv. 



1877, p. 65, pi. vii. 

 Geophagus jiaupari (non Heck.), Vaill. Bull. Mus. Paris, 1897, p. 221. 

 Hatanoperca crassilabris, Jord. & Everm. Bull. U.S. Nat. Mus. xlvii. 



189S, p. 1542. 

 Geophagus crassilabris, PellegT. M^m. Soc. Zool. France, xvi. 1903, 



p. 196 (1904). 



Depth of body 2? in the length, length of head 2|. Snout 

 \i in the length of head, diameter of eye 5, interorbital 

 width 35, depth of prteorbital 2^. Maxillary not extending 

 to below the eye ; jaws equal anteriorly ; lips thick, the fold 

 of the lower not continuous; cheek with 5 or 6 series of 

 scales ; 14 or 15 gill-rakers on the lower part of anterior 

 arch. Scales 30-31 ^i, 2i between lateral line and anterior 

 ravs of soft dorsal. Dorsal XVI 10-11, the spines subeqnal 

 or* only slightly increasing from the fifth, the last ^ the 

 length* of head. Anal HI 7-8. Dorsal and anal fins 

 scalcless. Pectoral H-^ the length of head, extending to 



