Cichliil Genevn Rotrocuhis, Goijilia^^is, dc. 5.> 



dorsal, those of the thoracic rcj^ion very small. Dorsal 

 XV (I)) 10, coinmcnciiif^ above the opercular cleft, the spines 

 siihccjual or slightly decrcasiii}; from the Jifth or sixth, the 

 last i the lcn;(th of head. Anal 111 1). Dorsal and anal 

 fins sjcaiclcsa. Pectoral longer than the head, extending; to 

 above the anal spines. Caudal slightly emarginate. Caudal 

 peduncle longer than deep. JJrownisli ; a blackish stripe 

 from the occiput through the posterior part of eye to the 

 aii;:le of the pneopcnulum ; a bhickish s|)ot, usually ocellatcd, 

 on the lateral line l)elo\v the suft dorsal; fins immaculate. 

 K.Amazon; (Juiana. 



1. (75 mm.) K. E^sequibo. Mr. Elirhnnlt. 



2. (87 mm.) Touantins. Pari-s Mu.>euiii. 



5. Geophayiis camopiensls. 



O'fo/>hfiifiiii camnpifU'^i.'', Pi-llegr. Hull. .Mii«. Paris, 1003, p. 123, and 

 M»5m'. Soc. Zool. Fiaucf, xvi. 1903, p. IM, ],l iv. tig. 1 (1004). 



Depth of l)ody 2.1-2^ in the length, length of head 2^-2f. 

 Snout about 2| in the length of head, diameter of eye 3j, 

 depth of prjeorbital about 2^. ^Maxillary not extending to 

 below the eye ; jaws equal anteriorly ; fold of the lower lip 

 not continuous ; cheek with 5 series of scales ; 12 gill-rakers 

 on the lower part of anterior arch. Scales 30-31 ,-^. Dorsal 

 XV-X\'l 11-12, the spines subequal from the fifth or sixth, 

 the last nearly | the length of head; soft dorsal not scaly at 

 the base. Anal III 7. Pectoral nearly as long as the head, 

 extending to above the anal spines. Caudal truncate or 

 slightly cmargiuate. Caudal ])cdunclc longer than deep. 

 Olivaceous, with a blacki>h blotch on the middle of the side; 

 vertical fins with dark stripes or series of spots. 



The types, from the H. Camopi, French Guiana, measure 

 from GO to 1 10 mm. in total length. 



G. Gcophayus siirinainensis. 



Sparus surinamensis, IJlocli, Aii.^1. Fi.scho, v. p. 112, pi. cclxxvii. fiir. 2 



(17'Jl). 

 Geupiuii/u8 altifniiis, Heck. Ann. Mas. "NVien, ii. 1840, p. 385. 

 (ieophtiyiis im-f/aseiiHi, Heck. /. c. p. 388. 

 Geophnyiis surinatnensia, .MiiU. & Trosch. in Schomb. Keise in 



Ciuiana, iii. p. (»2ij ; (iiiuth. Cat. Fish. iv. p. 31o (l.s(i2); 8teind. 



Sitzb. Ak. Wien, Ixxi. pt. 1, 187o, p. 122 ; IVllcgr. -Mimu. Soc. 



Zool. France, xvi. 1!X)3, p. 198 (l'J04). 

 C'hroinys pro.ritiia, Castcln. Anim. Am. Siul, rnis.*. p. 14, pi. vii. 



fi- 1 (18-,-,). 

 Sntaniiperca pio.iimn, Giiatb. t. c. p. 314. 



Depth of body 2-2^ in the length, length of head 3-3§. 



