59.11.51:4.36 

 579.2:59.4.36 



CONTRIBUTIONS FROM THE BERMUDA BIOLOGICAL STATION 



FOR RESEARCH. 



No. 64. 



SOME STRUCTURAL VARIATIONS OF CHROMODORIS 



ZEBRA. 



No. 65 



A METHOD OF PRESERVING LARGE NUDIBRANCHS. 



BY W. J. CROZIER. 



FROM THE NAUTILUS, VOL. XXX, No. 12. 





CAMBRIDGE, MASS., U.S.A. 

 APRIL, 1917. 



