344 VERRILL 



Pisaster ochraceus (Br.) Ag. 

 Var. nodiferus Ver. 

 P. fissispinus (St.) Ver. 



Oregon. 



P. liitkenii (St.) Ver. 

 P. paucispinus (St.) Ver. 

 t-P. capitatus (St.) Ver. 



Monterey Bay to San Diego. 

 P. giganteus (St.) Ver. 



. Tomales Bay, north of San Francisco. 

 P. brevispinus (St.) Ver. 



Crescent City to Monterey, Calif. 

 P. (?) grayiVer. 



Oregon. 

 Asterias katherince Gray. 



Mouth of Columbia ; Gulf of Georgia. 

 Leptasterias hexactis (St.) Ver. 



Monterey to Vancouver I. 

 L. squalis (St.) Ver. 



Vancouver I. to Santa Barbara, Calif. 

 Var. compacta Ver. 



Vancouver I. to Monterey, Calif. 

 Var. nana Ver. 



Gulf of Georgia to Monterey. 

 Var. concinna Ver. 



Monterey, Calif. 

 Evasterias troschelii (St.) Ver. 



Oregon and northward. 

 Orthasterias californica Ver. 



Near San Francisco. 

 O. forreri (Lor.) Ver. 



Monterey and Santa Cruz, Calif.; Alaska (?). 

 *O. columbiana Ver. 



La Jolla, Calif., to Yakutat, Alaska. 

 fO. gonolena Ver. 



Gulf of California ; Lower California ; Santa Barbara ; San Diego, etc. 

 Pycnopodia helianthoides (Br.) St. 



Monterey Bay northward to Kadiak, Alaska. 

 Poraniojjsis inflata F. 



Oregon to San Diego; 26-159 fath. 

 Henricia leviuscula (St.). 

 Var. lunula Ver. 

 Var. attenuata (Clark). 

 Var. dyscrita F. 

 Var. annectens F. 

 Var. spatulifera Ver. 

 Patina miniata (Br.) Ver. 



Yakutat, Alaska, south to Gulf of California. 

 Mediaster aqualis St. 



Alaska, south to Lower California. 



