Wilson: IMarine Fishes from Colombia and Ecuador, 61 



of the opercle and is continued as a broken line to its termination 

 above the vent. Center of caudal rays dark. A brown line on ventral 

 surface extends from vent to head. Color in alcohol pale, with brown 

 blotches on the sides of each ring. 



Family MUGILID^. 



1 6. Mugil cephalus Linnaeus. 



5244 a-e, C. M., 13204 a-e, I. U. M. Eighteen duplicates. Tumaco, 

 Colombia. Henn & Wilson. 



5644, C. M. Barra de Penedo. Mouth of Rio San Francisco. J. D. 

 Haseman. 



17. Mugil brasiliensis Agassiz. 



5245 a-b, C. M., 13205, I. U. M. Cartagena, Colombia. Eigenmann. 



18. Mugil curema Cuvier «& Valenciennes. 



5642 a, C. M. Cachoeira. April 17, 1908. J. D. Haseman. 



5643 a, C. M.; 13429 a-b, I. U. M. Chone, Province Manabi, 

 Ecuador. Henn. 



The specimens from Ecuador examined agree with the description 

 of ilf. gaimardianus Desmarest, but Regan in the Biologia Centrali- 

 Americana, Pisces, p. 72, considers the difference between M. 

 curema and M. gaimardianus to be due merely to individual variation. 



Family POLYNEMID^. 

 19. Polydactylus approximans (Lay & Bennett). 

 5576 a, C. M.; 13207 a, I. U. M. Buenaventura. Eigenmann. 



20. Polydactylus virginicus (Linnaeus). 



5583 a-h, C. M.; 13208 a-d, I. U. M. Cartagena. Eigenmann. 



5263 a, C. IVL Cachoeira. April 17, 1908. J. D. Haseman. 



5264 a, C. IVL Rio Vermelho, Bahia. Oct. 24, 1907. J. D. Haseman. 



Family HOLOCENTRID.^E. 



21. Holocentrus ascensionis (Osbeck). 



5575 0-&. C. M.; 13212 a, I. U. M. Cartagena. Eigenmann. 



Family MULLID,^. 

 22. Upeneus grandisquamis Gill. 

 5581 a~b, C. M.; 13206 a, I. U. M. Tumaco. Henn & Wilson. 



