24 C. McLEAN FRASEE 



BOUGAINVILLIA MERTENSI Agassiz 



Bougainvillia mertensii Agassiz, Cont. Nat. Hist. U. S., IV, 1862, p. 344. 

 BougainviUia mertensii A. Agassiz, N. A. Acalephfe, 1865, p. 152. 

 Bougainvillia mertensi Toerey, Hydroida of the Pacific Coast, 1902, p. 1. 



Distribution. — Bering Sea, Gulf of Georgia, San Francisco (A. 

 Agassiz) ; Oakland (Torrey). 



Genus PERIGONIMUS 



Troplwsome. — Colony branched or unbranched. Hydranths 

 fusiform with conical proboscis. 



Gonosome. — Gonophores arising from the hydrorhiza, bearing 

 medusge that when liberated have 2 to 4 marginal tentacles but 

 no ocelli. 



PERIGONIMUS REPENS (Wright) 



Eudendrium pusillum, Wright, Proc. Roy. Phys. Soc. Edin., 1857, p. 231. 

 Atractylis repens Wright, Proc. Roy. Phys. Soc. Edin., 1858, p. 450. 

 Pengonimus repens Allman, Ann. and Mag. N. H., 3rd Ser. 13, 1864, p. 

 365. 



Perigonimus repens Calkins, Some Hydroids of Puget Sound, 1899, p. 339. 

 Perigonimus repens Torrey, Hydroida of the Pacific Coast, 1902, p. 29. 



Distribution. — Townshend Harbor (Calkins) ; Sausalito, Cal. 

 (Torrey) ; Departure Bay. 



EUDENDRID^ 

 Genus EUDENDRIUM 



Trophosome. — Colony branching. Hydranths with hypostomes 

 somewhat trumpet-shaped. 



Gonosome. — Sporosacs developed from the hydranth just be- 

 low the tentacles. 



EUDENDRIUM CALIFORNICUM Torrey 

 Eudendrium califomicum Torrey, Hydroida of the Pacific Coast, 1902, 

 p. 32. 



Distribution. — San Francisco Bay, Tomales Bay, Pacific Grove, 

 Cal. (Torrey) ; Santa Cruz, Monterey Bay, Cal. (Clark) ; Port 

 Eenfrew, Ucluelet. 



EUDENDRIUM CAPILLARE Alder 



Eudendrium capillare Alder, Trans. Tyne. F. C. Ill, 1857, p. 105. 



Eudendrium capillare Hincks, British Hydroid Zoophytes, 1868, p. 84. 



Distribution. — -San Juan Archipelago. 



There were only two or three specimens of this Eudendrium, 



