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Ludwig, Mr. J. 



Scripps Institution of Ocoanoiir. 

 La JollG, Calif, 



Lund, Dr. E. J, 



The Institute of Marino Science 



of the Univ. of Texas 

 Port Aransas, Texas 



Lunz, Mr. G. R. 



Boars Bluff Laboratories 

 V/admalaw Island, So, Carolina 



Lynch, Dr. J. E. 



School of Fisheries, U. of v;ash. 

 Seattle, Washington 



MacCallum, Mr. "if, A. 



Atlantic Fisheries Exp. Sta. 

 Halifax, Nova Scotia 



MacGinitie, Mr. George S. 



V/m. G. Korckhoff Marine Lab. 

 Corona Del Mar, Dalif , 



Mackin, Dr. J. G, 



Texas A & M Research Foundation 



Laboratory 

 Grand Isle , Louisiana 



MacLollan, Mr, H. J, 



Atlantic Biological Station 

 St, Andrews, Now Brunswick 



MacNab, Dr. Jaxiios A. 



Oregon Institute of Marino 



Biology 

 Charleston, Oregon 

 or Lower Columbia Jr. College 

 Longviev/, '/Washington 



Marion, Mr. Cecil 



Gulf Co6 5t Research Laboratory 

 Box 336, Ocean Springs, Miss, 



Harr, Mr. John C. 



USFJS South Pacific Fishery Invest. 

 450-B Jordan Kail, Stanford, Calif. 



Physical Oceanography 

 Sediments, 



Marine Physiology 

 Oyster Physiology 



Marino Invertebrate Zoology, 

 Administration (Director) 



Oyster Cultivation Methods. 



Invertebrate Zoology 



Biology of Aquatic Invertebrates. 



Engineering 



Refrigeration Engineering, 



Marino Invortobrato Zoology 

 Marine Ecology. 



Limnologist^ Administration 

 (Director) 



Causes of Oyster Mortality, 



Physical Oceanography 



Marino Ecology 



Marine Geology 



Fishery Biology, Administration 

 (Chief of Investigations) 



