340 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 19 



4a. Sta. 2960 (near no. 186). SW of Ship Rock, in 34-36 fms. 

 Dredge took shelly sand with Laqueus, Terebratalia and other animals, 

 with the following echinoderms: 



A iiiphipholis pit get ana () phinpteris papulosa 



Astropcctcn calif ornicits () phiothrix spiculata 



Ilenricia sp. Ophiura liitkeni 



JMediaster aequalis Sclcrasferias heteropaes 

 O phiopholis hakcr'i 



4b. Sta. 2959 (near no. 186). NW off Ship Rock, in 42 fms. Dredge 

 took sand with Lytechinus, small pelecypods and other echinoderms, 

 including: 



A mphiodia digitata Luidia liidivigi 



A inphioplus hex acanthus Lytechinus anamesus 



A niphiura arcystata O phiopholis bakeri 



Floronutra perplexa Ophiura lutkeni 



4c. Sta. 3310 (near no. 186). NW off Ship Rock, in 47-52 fms. 

 Dredge took sand with a sea pen, few brachiopods and mollusks, several 

 crabs, and the following echinoderms: 



A llocentrotus fragilis Ophiura lutkeni 



Astropcctcn calif or nic us 



4d. Sta. 2952 (near no. 208). SE off Ship Rock, in 63 fms. OPG 

 took sand with some living Laqueus, Floroinetra perplexa and gastropods. 



4c. Sta. 2957 (near no. 186). NW off Ship Rock, in 64 fms. OPG 

 took Laqueus with Allocentrotus fragilis, Spatangus californicus and 

 Floronietra perplexa. 



4f. Sta. 2953 (near no. 208). SE off Ship Rock, in 52-65 fms. 

 Dredge took shelly sand, Laqueus, heart-urchins, gastropods, with other 

 animals. 



5. Sta. 2451 (no. 208). Between Isthmus and Long Pt., in 111 fms. 

 OPG took 1.57 cuft of compact sandy clay with many animals. In addi- 

 tion to those named in the chart, the sample contained amphipods (20), 

 ostracods (8), an anthurid isopod (3), a tanaid (1), a pagurid in 

 A/nphissa shell (1). The largest was Molpadia, and the most abundant 

 were Alaldanc sarsi (20) , and Tellina carpenteri (16). 



