298 On Fishes from the Island of Marajo, Brazil. 
57. Myletes rubripinnis, M. & T. 
58. Myletes maculatus, Kner. S. 
Scombresocide. 
59. Belone teniata, Gthr. S. 
Cyprinodontide. 
60. Anableps microlepis, M.& T.  P. 
Clupeide. 
61. Pellona flavipinnis, Val. M. 
62. Megalops thrissoides, Bl. Schn. M. 
Gymnotide. 
63. Carapus fasciatus, Pall. S. 
Tetrodontide. 
64. Tetrodon psittacus, Bl. Schn. M. 
DIPNOI. 
65. Lepidosiren paradoxa, Fitz. M. 
The discovery of this fish at Cape Magoary has been re- 
ported upon by Dr. Goeldi (Bol. Mus. Para. i. 1896, p. 438), 
who has also given a map showing the distribution of the 
species. 
CHONDROPTERYGII. 
66. Carcharias porosus, Poey. M. 
67. Trygon tuberculata, Lacép. M. 
68. Trygon hystriz, M. & H. 
The description is appended of a new Chromid obtained by 
Dr. Goeldi in the Upper Cunani River, French Guiana, 
south of the Oyapok River. 
Heros Goeldit, sp. n. 
Depth cf body 2 in total length, length of head 3 times. 
Upper profile of head regularly curved; eye nearer gill- 
opening than end of snout, its diameter 3} to 33 times in 
length of head and 3 interorbital width ; clett of mouth not 
