SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOLUME 91, NUMBER 19 



Johnson ^unb 



REPORTS ON THE COLLECTIONS OBTAINED BY THE FIRST 



JOHNSON-SMITHSONIAN DEEP-SEA EXPEDITION 



TO THE PUERTO RICAN DEEP 



NEW PARASITIC COPEPODS 



(With Three Plates) 



BY 



CHARLES BRANCH WILSON 



State Teachers College, Westfield, Mass. 



(Publication 3298) 



CITY OF WASHINGTON 



PUBLISHED BY THE SMITHSONIAN INSTITUTION 



APRIL 8, 1935 



