226 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 4 



Halecium Washington! Nutting 



Halecium geniculatum Nutting, Hyd. Alaska and Puget Sound, 1899, 



p. 744. 

 Halecium washingtoni Nutting, Amer. Nat., 1901, p. 780. 



Fraser, Hyd. Pacific Coast, 1937, p. 111. 



Fraser, Hancock Hyd., 1, 1938, p. 45. 



Fraser, ibid., 3, 1938, p. 133. 



Distribution. — Tyler Bight, San Miguel Island, shore; 3 miles east 

 of South Point, Santa Rosa Island, 15-20 fathoms; 3^ miles east of 

 South Point, 35-38 fathoms; 1 mile north of San Pedro Point, Santa 

 Cruz Island, 45-46 fathoms; 2^^ miles east of San Pedro Point, 26-40 

 fathoms; 3^ mile east of San Pedro Point, 26-40 fathoms; 1 mile north 

 of west end of Anacapa Island, 41-43 fathoms; east of Point Fermin, 

 shore; 5 miles — 152° from San Pedro breakwater, 17-19 fathoms; Ava- 

 lon, Santa Catalina Island, shore; off San Nicolas Island, 28-31 fathoms; 

 3 miles NW of Natividad Island, Lower Calif., 30-31 fathoms; Dewey 

 Channel, opposite San Eugenio Point, 21-24 fathoms; Port Parker, Costa 

 Rica, shallow water on coral ; off Nuez Island, Cocos Island, 31-50 fath- 

 oms. 



Halecium wilsoni Calkins 



Halecium wilsoni Calkins, Hyd. Puget Sound, 1899, p. 343. 

 Fraser, Hyd. Pacific Coast, 1937, p. 112. 



Distribution. — Bechers Bay, Santa Rosa Island, 10 fathoms. 



Genus OPHIODISSA 

 Ophiodissa alternata Fraser 

 Ophiodissa alternata Fraser, Hancock Hyd., 3, 1938, p. 139. 



Distribution. — 1^^ miles north of Cedros Island, 55-60 fathoms; 

 Dewey Channel, opposite San Eugenio Point, Lower Calif., 21-24 fath- 

 oms; off Secas Islands, Panama, 12 fathoms. 



Ophiodissa corrugata (Fraser) 

 Ophiodes corrugatum Fraser, Hyd. Queen Charlotte Islands, 1936, p. 



504. 

 Ophiodissa corrugata Eraser, Hyd. Pacific Coast, 1937, p. 113. 



Distribution. — ^Tyler Bight, San Miguel Island, shore. 



