60 



MARINE AND FISHERIES 



Species 



Stichopus 

 californensis 



Part examined 



Integument (preserved 



in alcohol) 

 Integument (air-dried) 

 Internal organs 



Muscle 



5 GEORGE v., A. 1915 



Amount Iodine found Percent 

 taken Iodine 



0.500 g. 0.000003 0.001% 



iii. Class Asteroidea 



One complete ray of the whole animal was preserved in alcohol, and a sample 

 of the whole ray examined. ^ 



Species 



Pyknapodia 

 helianthoides 



Where obtained 



Jesse I. 



Amount Iodine found Per cent. Average 

 taken Iodine 



0.500 g. 0. 



g- 0. % 



(6) Phylum Arthropoda, class Crustacea 



The barnacles, Balanus, were attached to posts at the station Pier; the specimen 

 of Cancer was obtained in shallow water at the same point. 



Species 



Part examined 



Balanus balanoides Shell 



Soft part 



Cancer productus Carapace 



Muscle 



Amount Iodine found Percent 

 taken Iodine 



0.500 g. 



g. % 



0.200 



0.500 

 0.500 



0.000010 0.005 



0.000016 

 0.000015 



0.2000 



0.003 

 0.003 



Mean 0.003% 

 



(7) Phylum Mollusca, class Pelecypoda 



