'&*■ C-- 



I &&<r. 



ni 





'<C 



^^5 



^' £ 



*- fu*&: 



Return to 



LIBRARY OF MARINE BIOLOGICAL LABORATORY 



WOODS HOLE, MASS. 



Loaned by American Museum of Natural History 









*^ 4 



* cc 



&.**^ 



*£-<*- 



^d- 



£"£< 



^4~ / 



