4 



BULLETIN 189, UNITED STATES NATIONAL MUSEUM 



to me for comparison and study. The principal collection from Peru, 

 and by far the largest one, consisting of about 2,148 specimens, was 

 furnished by the Mission sent to Peru in 1941 by the Fish and Wildlife 

 Service. Another important collection studied, which already had 

 served as the basis for a bulletin by Evermann and Radcliffe (1917), 

 was made in Peru in 1907 and 1908 by Dr. R. E. Coker, then a biologist 

 with the U. S. Bureau of Fisheries, on detail with the Peruvian Govern- 



101 



90" 



~ n 



) VENEZUELA,.-^ 



10" 



vt 



Uf 



vf 



GALAPAGOS 



%'^ * JECUADOR'x ._ 



ISLANDS SANTA ELENA BWeUAYAQp 111" '^'"^ y 



GULF OF GUAYAQUIL 



•0 



y 



BRAZIL 



O 



'A 



ARE=>u,'«. BOLIVIA 11 



o 



I .-'''^■^ 



\ r-c 



WEST COAST OF ^ a 



SOUTH AMERICA \ 



) ARGENTINA 



^ 



20 



SCALE OF MILES 



VALPARAIf 



JUAN FERNANDEZ 

 ISLANDS 



CONCEPCION BAY 



90' 





Jd 



Figure 1. — Map of west coast of South America, showing ports, islands, bays, and places 

 mentioned in the text under range of distribution of species. 



