82 



ALLAN HANCOCK PACIFIC EXPEDITIONS 



VOL. 27 



a, Dacrydium pacificum Dall, Sta. 6820, San Diego trough, 

 shell In outer, left lateral view, x 11 ; b, same, shell seen from 

 within, X 13 ; c, connected valves seen in posterior edge, x 13 ; 

 d, Lyonsiella alaskana Dall, Sta. 6852, Coronado canyon, shell 

 in exterior view, x 11 ; e. Gastropod egg capsule attached to a 

 rock, Sta. 6805, Santa Cruz canyon, x 0.92. 



