Figure 18. — Young American shad killed by pollution 

 in the Anacostia River, Washington, D.C. (Photo 

 courtesy of Charles Del Vecchio, Washington 

 Post-Times Herald) 



REFERENCES 



COLLINS, GERALD B. 



1951. A fishway that shad ascend. U.S. 

 Fish Wildl. Serv., Spec. Sci. Rep. Fish. 

 65, ii + 17 pp. 

 DAVIS, WILLIAM S. 



1957. Ova production of American shad in 

 Atlantic coast rivers. U.S. Fish Wildl, 

 Serv., Res. Rep, 49, ii + 5 pp, 

 FREDIN, REYNOLD A, 



1954. Causes of fluctuations in abundance 

 of Connecticut River shad. U.S. Fish 

 Wildl. Serv., Fish. Bull. 54: 247-259. 

 MOLLIS, EDGAR H. 



1948. The homing tendency of shad. Science 

 108(2804): 332-333. 



JUDY, MAYO H, 



1961. Validity of age determination fronr\ 

 scales of marked American shad. U.S. 

 Fish Wildl. Serv., Fish. Bull. 61: 161- 

 170. 

 LAPOINTE, DONALD F. 



1958. Age and growth of the American shad, 

 from three Atlantic coast rivers. 

 Trans. Amer. Fish. Soc. 87: 139-150. 

 LEIM, A, H. 



1924. The life history of the shad ( Alosa 

 s apidissima (Wilson)) with special ref- 

 erence to the factors limiting its abun- 

 dance. Biol. Bd. Can., Contrib. Can. 

 Biol. 2(11): 163-284. 

 NICHOLS, PAUL R., and MARLINE. TAGATZ. 

 1960, Creel census Connecticut River shad 

 sport fishery, 1957-58, and estimate 

 of catch, 1941-56. U.S. Fish Wildl. 

 Serv., Spec. Sci. Rep. Fish. 351, iii + 

 12 pp. 

 STEVENSON, CHARLES H. 



1899. The shad fisheries of the Atlantic 

 coast of the United States. U.S. Comm, 

 Fish and Fish. Rep. Comm. pt. 24, 

 1898: 101-269. 

 TALBOT, GERALD B. 



1954. Factors associated with fluctuations 

 in abundance of Hudson River shad, 

 U,S, Fish Wildl. Serv., Fish. Bull. 

 56: 373-413. 

 TALBOT, GERALD B., and JAMES E. SYKES. 

 1958. Atlantic coast migrations of American 

 shad. U.S. Fish Wildl. Serv., Fish. Bull, 

 58: 473-490. 

 WALBURG, CHARLES H,, and PAUL R. 

 NICHOLS. 

 1967. Biology and management of the Ameri- 

 can shad and status of the fisheries, 

 Atlantic coast of the United States, 

 1960, U,S, Fish Wildl. Serv., Spec. 

 Sci. Rep. Fish, 550, iv + 105 pp. 



MS. #1704 



13 



GP 940-219 



