DR. WALDO L. SCHMITT, 

 curator of marine inverte- 

 brates, United States Na- 

 tional Museum, authority 

 on Crustacea, in his lab- 

 oratory aboard. 



DR. C. McLEAN FRASER, 

 oceanographer. University 

 of British Columbia, au- 

 thority on coelenterates, at 

 his outdoor laboratory on 

 the quarterdeck of the 

 Velero. 



