52 tJ. McLEAN FEASER 



Lafaa dumosa Nutting, Hydroids of the Harriman Ex., 1901, p. 177. 

 Lafaa dumosa Torrey, Hydroida of the Pacific Coast, 1902, p. 59. 



Distribution. — Port Etches, Alaska (Clark) ; Puget Sound 

 (Nutting) ; Juneau, Berg Inlet, Orca, Alaska (Nutting) ; Port 

 Orchard, Puget Sound (Torrey) ; Banks Island, Departure Bay, 

 Dodd 's Narrows, Ucluelet, Port Renfrew, San Juan Archipelago. 



LAFCEA FEUTICOSA Sars 



Lafaa fniticosa Sars, Norske Hydroider, Vid. Selsk. Forh., 1862, p. 30. 



Lafcca fniticosa Claek, Alaskan Hydroids, 1876, p. 216. 



Lafaa fruticosa Nutting, Hydroids of the Harriman Ex. 1901, p. 178. 



Distrihution. — Shumagin Island to Kyska Island, Alaska 

 (Clark) ; Puget Sound (Nutting) ; Juneau, Berg Inlet, Orca, 

 Alaska (Nutting) ; Bering Sea (Jaderholm) ; San Juan Archi- 

 pelago. 



LAFGEA GRACILLIMA (Alder) 



Cainpanwlaria gracilUrna Alder, Trans. Tynes. Field Club, 1857, p. 39. 

 Lafaa gracUUma Clark, Alaskan Hydroids, 1876, p. 216. 

 Lafaa gracillima Nutting, Hydroids of Alaska and Puget Sound, 1899, 

 p. 741. 



Lafaa gracillima Nutting, Hydroids of the Harriman Ex., 1901, p. 177. 

 Lafaa gracillima Torrey, Hydroida of the Pacific Coast, 1902, p. 60. 



Distribution. — Sitka Harbor to Shumagin Islands, Alaska 

 (Clark); Bare Island (Hartlaub) ; Puget Sound (Nutting); 

 Juneau, Berg Inlet, Orca, Alaska (Nutting) ; San Pedro, Cal., 

 Puget Sound (Torrey) ; Departure Bay, Dodd's Narrows, Uclue- 

 let, Port Renfrew, San Juan Archipelago. 



LAFCEA GRANDIS Hincks 

 Lafaa grandis Hincks, Ann. and Mag. N. H., 4th Ser. XIII, 1874, p. 148. 

 Distribution. — San Juan Archipelago. 



Only a fragment of this species appeared in the San Juan ma- 

 terial but it was in very good condition. 



LICTORELLA 



Trophosome. — Stem polysiphonic, with ultimate branches mon- 

 osiphonie and bilateral. Hydrothecffi never sessile. Thin dia- 

 phragm present. Nematophores may be present, usually on the 

 branch at the base of the hydrothecge. 



Gonosome. — "Gonangia aggregated, with curious protuberant 

 'shoulders' on one or two sides of the distal end. These are horn- 



