212 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 19 



7. Sta. 2507 (no. 30), in 8 fms. OPG was filled with black mud, 

 shelly debris and many animals. A large ceriantharian, a nemertean (2), 

 an amphipod (5), a cumacean (2), an ostracod (28), a commensal crab 

 ( 5 ) , Callianassa ( 1 ) , a pycnogonid ( 1 ) and an enteropneust ( 1 ) were 

 present, in addition to those listed on the chart. Largest individuals were 

 Cerebratulus rubra and Glyccra americana. Most numerous species were 

 Marphysa disjuncta, Pcctinaria calif or niensis and Cossura Candida, each 

 with 10 individuals. 



Numbers of species and specimens totalled : 



