1204 



McFarren, E. F. 



Campbell, and J. B. Engle. 1962, 



The occurrence of copper and zinc in shellfish. In Proc. 

 Sanit. Workshop. Eugene T. Jensen (ed.) . U.S. Dept. H.E.W 

 Serv.: 22 9-234. 



1961 Shellf. 

 , Pub. Health 



In comparison with most other foods, marine organisms contain large amounts 

 of Cu and Zn. Oysters contained about 10 to 20 times as much Cu and 30 to 

 40 times as much Zn as clams from the same or nearby areas. Species names 

 are not given, but from the locality of collection (Kent shore, upper 

 Chesapeake Bay, and New Hampshire waters) it is assumed that soft clam, 

 Mya arenaria, was analyzed. It is concluded that Mercenaria mercenaria 

 was not examined. - J.L.M. 



1205 



McFarren, E. F., H. Tanabe, F. J. Silva, W. B. Wilson, J. E. Campbell, and 

 K. H. Lewis. 1965. 



The occurrence of a ciguatera-like poison in oysters, clams, and Gymnodinium 

 breve cultures. Toxicon 3: 111-123. 



A toxin was found in 

 in spring 1962 from c 

 Bay and Tampa Bay, Fl 

 organic solvents, and 

 the poison, the toxin 

 ciguatera poisoning, 

 human illness from ea 

 8 mouse units of tox 

 units produced a mild 

 breve, and a sample o 

 respiratory irritatio 

 organic solvents, als 

 poisons from shellfis 

 - J.L.M. 



Crassostrea virginica and Venus mercenaria campechiensis 

 ertain areas of Charlotte Harbor, Lemon Bay, Sarasota 

 a. On the bases of symptoms in humans, solubility in 

 reactions of experimental animals fed or injected with 

 appeared to be identical to the toxin responsible for 

 Epidemiological investigation of several cases of 

 ting these shellfishes showed that as little as 50 to 

 in may produce some symptoms, and 4 00 to 500 mouse 



form of illness in humans. Cultures of Gymnodinium 

 f seawater from an area in which people had experienced 

 n similar to that caused by "red tide", extracted with 

 o were toxic to mice. It was not certain, however, that 

 hes and from red tide organism and water were identical. 



1206 



McGrath, Richard A. (undated-1972 or later) . 



Benthic macrofaunal census of Raritan Bay - Preliminary results. Benthos 

 of Raritan Bay. U.S. Dept. Commerce, Natl. Mar. Fish. Serv., Middle Atl. 

 Fish. Center, Sandy Hook Lab., Highlands, N.J. ,40 p. (unnumbered). 



Mercenaria mercenaria included in species list, but not discussed in text. 



- J.L.M. 



1207 



McGrath, Richard A. 1974. 



Benthic macrofaunal census of Raritan Bay - Preliminary results. Benthos 

 of Raritan Bay. In Hudson River Ecology. Proc. 3rd Symposium on Hudson 

 River Ecology, Hudson R. Environ. Soc ., 27 p. not numbered, 4 figs., 3 

 tables. 



Mercenaria mercenaria is given in the species list, but detailed data are 

 not given on abundance or distribution. The species was a minor constituent 

 of "sand" community samples, and was a major constituent of 6.3% of the 

 samples from "mud" community. The Raritan Bay system is grossly polluted. 

 The most striking characteristic of the benthic fauna was its impoverishment. 



- J.L.M. 



338 



