MARINE BIOLOGICAL LABORATORY. 



Received ...Sept.... 12... 1939 

 Accession No. 51=2.7.9 



Given by D.r>... .H.«... MeE* Kn.ower 



Place, T o ad s Hole , . M.a s s • 



*^*flo book op pamphlet is to be removed from the lab- 

 oratory ulithout the permission of the Trustees. 



