64 AMERICAN JOURNAL 



413 532 CrepidiiJa adunca, Sby. 



Str. Fuca to Sta. Barbara — Mexico ? 

 Many dead on bch., to 20 fms. Sta. Cruz, bcb., common. 



420 534 Orepidula navlcelloides, Nutt, 

 Str. Fuca to San Diego. 

 Rare, dead on bch. to 20 fms, Sta. Cruz, living, 1. w. 

 Nuttall disc. 

 420b 536 Orepidula naviceUoides, var. fimhriata, Rve. 

 Str. Fuca to San Pedro. 

 4, clay rock on bch. In holes of borers. 

 420c 537 Orepidula naviceUoides, var. explanata, Gld. 

 Str. Fuca to San Pedro. 

 8, clay rock on bch., 1 living, 8 fms., in holes of 

 borers. Voy. "Venus" coll. 



414 539 Hipponyx antiquatus, Linn. 



Monterey south ? — S. America. Atlantic. 

 Many dead, bch. to 20 fms. Including serratus, Cpr. ? 

 475 541 Oapuhis tumens, Cpr. 



Monterey to San Diego and islands. 

 Many dead, bch. to 20 fms. 



317 572 Litorina planaxis, Nutt. 



Mendocino to San Diego — Sitka? 

 Many living, bch. 



318 574 Litorini scutulata, Gld. 



Str. Fuca to San Diego. 

 Many living, bch. Smithsonian coll. 



1156 578 Lacuna porrecta, Cpr. 



Neeah Bay, W. T„ to Monterey. 

 Santa Cruz, rare living, 1. w., 10 dead. 

 1065 581 Lacuna solidida, Loven. 



Ounahiska to San Diego — Norway. 



2 dead, bch. Sta. Cruz, rare, dead. 



1088 583 Lacuna variegata, Cpr. 



Neeah Bay', W. T., to Monterey. 



3 dead, bch. Sta. Cruz, common, 1. w. 

 *682 586 Isapis fenestrata, Cpr. 



Str. Fuca to San Diego — Ounalaska. 

 Santa Cruz, rare, dead. 

 *682a 587 Isapis obtusa, Cpr. 



Monterey to San Diego. 

 Monterey.? dredged ? Carpenter's list, —586 ? 



*723 588 Rissoina interfossa, Cpr. 



INlonterey to San Diego — deep water. 

 Rare, dead, dredged ? Carpenter's list. 



