Nos. 020-621] THE HAWAIIAN CORAL REEFS 



13.5 



taxonomically. The Phyllopods, Ostracods and Cope- 

 pods are all plentiful. The Cirripedia include the most 

 aberrant of the crustaceans, and are represented by the 

 common barnacles, including' both the stalked (Lepa<lid;i' ) 

 or goose barnacles, and the sessile (Balanidse) or acorn- 



shells. The latter are exceedingly abundant along the 

 shores and reefs ; there are also numerous deep-water bar- 

 nacles. 



