192 allan hancock pacific expeditions vol. 4 



Systematic Discussion 



Suborder GYMNOBLASTEA 



Family Glavidae 

 Genus CORYDENDRIUM 



Gorydendrium (?) fruticosum Fraser 



Corydendrium fruticosum Fraser, Vancouver Island Hyd., 1914, p. 112. 



Fraser, Hyd. Pacific Coast, 1937, p. 21. 



Distribution. — 10^ miles west of Point Dume, Calif., 47-48 fath- 

 oms; 2^ miles SW of Seal Rocks, Santa Catalina Island, 87-90 fathoms; 

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



Genus TUBICLAVA 

 Tubiclava laxa Fraser 



Tubiclava laxa Fraser, Hancock Hyd. 1, 1938, p. 12. 



Distribution. — Avalon Bay, Santa Catalina Island, 82-88 fathoms. 



Tubiclava triserialis Fraser 



Tubiclava triserialis Fraser, Hancock Hyd. 1, 1938, p. 12. 

 Distribution. — Chacahua Bay, Mexico, 10-15 fathoms. 



Genus TURRITOPSIS 

 Turritopsis nutricula McCrady 



Oceania nutricula McCrady, Proc. Elliott Soc, 1859, pp. 55-90. 

 Turritopsis nutricula McCrady, ibid., p. 127. 



Fraser, Hancock Hyd., 1, 1938, p. 12. 



Fraser, ibid., 3, 1938, p. 131. 



Distribution. — San Lorenzo Channel, Gulf of California, 6-13 fath- 

 oms. 



Family Gorynidae 



Genus GORYNE 

 Goryne (?) corrugata Fraser 



Coryne corrugata Fraser, Hyd. Pacific Coast, 1937, p. 27. 



Distribution. — Willow Anchorage, Santa Cruz Island, Calif., low 

 tide. 



