NO. 3 eraser: hydroids 133 



Gonothyraea serialis Fraser. — La Libertad, 3-5 fathoms; Tenacatita 

 Bay, in lagoon. 



Obelia conunissuralis (McCrady). — Wafer Bay, shore. 



Obclia dichotoma (Linnaeus). — Tagus Cove, 10-20 fathoms; north of 

 Gorgona Island, 10-20 fathoms. 



Obelia geniculata (Linnaeus). — North end of Albemarle Island, 6-7 

 fathoms; Callao, 5 fathoms; San Juan Bay, 15-20 fathoms; 

 Chacahua Bay, 5-10 fathoms. 



Obelia hyalina Clarke. — Isabel Island, 10-15 fathoms. 

 Obelia microtheca Fraser. — Independencia Bay, 5 fathoms; La Libertad, 

 3-5 fathoms; Panama, shore. 



Obelia tenuis Fraser. — Tagus Cove, 10-20 fathoms. 



Family Gampanulinidae 



Lovenella nodosa Fraser. — Chacahua Bay, 5-10 fathoms. 

 Lovenella rugosa Fraser. — Tenacatita Bay, 5 fathoms. 



Family Halecidae 



Ilalecium beani (Johnston). — South and east of Daphne Major Island, 

 55 fathoms; Secas Islands, 12 fathoms. 



Haleciinn halecinum (Linnaeus). — Secas Islands, 12 fathoms. 



Halecium insolens Fraser. — Tenacatita Bay, in lagoon. 



Halecium nanum Alder. — Secas Islands, 12 fathoms. 



Halecium regular e Fraser. — Secas Islands, 14 fathoms. 



Halecium tenellum Hincks. — South and east of Daphne Major Island, 

 55 fathoms; Secas Islands, 14 fathoms. 



Halecium tenue Fraser. — Off Daphne Minor Island, 70-80 fathoms. 



Halecium tortuju Fraser. — Octavia Bay, 35-40 fathoms. 



Halecium washingtoni Nutting. — San Juan Bay, 15-20 fathoms; Lobos 



de Afuera Islands, South Bay, 12 fathoms; oiif Nuez Island, 30- 



50 fathoms. 

 Ophiodissa alternata Fraser. — Secas Islands, 14 fathoms. 

 Ophiodissa laxa Fraser. — Secas Islands, 12 fathoms. 



Family Hebellidae 



Scandia corrugata Fraser. — Octavia Bay, 35-40 fathoms; Secas Islands, 

 12 and 14 fathoms. 



? Scandia expansa Fraser. — North of Gorgona Island, 10-20 fathoms. 



Scandia mutabilis (Ritchie). — Octavia Bay, 35-40 fathoms; Secas Is- 

 lands, 14 fathoms. 



