HABIT AND HABITAT IN GALATHEIDEA. 97 



r. Strigosa hair, fringing branchiostegite, etc., in G. strigosa. 

 G. Tree-like filter liairs, fringing branchial apertures of P. platycheles 

 and Cancer, etc. 



i. Cluster, with collected mud. 

 ii. Tip of one hair, more highly magnified. 

 H. Matted hairs, inner side of basal joint of 3rd maxillipede in Gala- 



theidea. 

 I i. Combing hair, last two joints of VIII in Galathea, Munida, P. longi- 

 cornis, and Carcinus mcenas. 

 ii. Degenerate combing hair, P. platycJteles and C. pagurus. 

 Ki. Sickle hair, ultimate joint of XIII in Galatheidea (except P. platy- 

 clieles). 

 ii. Degenerate sickle hair [P. platycheles). 



NKW SERIES. — VOL. X. NO. 1. XOVEMKER, 1913. 



