122 THE ROYAL SOCIETY OF CANADA 



Eudendrium capillare Alder 



PI. V, Fig. 13 

 Eudendrium capillare Alder, Ann. and Mag. Nat. Hist. 2nd ser., 18, 



1856, p. 355. 

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

 Eudendrium capillare Fraser, West Coast Hydroids, 1911, p. 24. 



Trophosome. — Colony small, not more than 15 mm. in height, 

 usually branched, annulations at the base of the branches and pedicels. 



Gonosome. — Female gonophores borne on aborted hydranths 

 which are supported by pedicels springing from branches or from the 

 hydrorhiza. They form a very noticeable cluster. Male gonophores 

 in whorls borne similarly to the female gonophores, each gonophore 

 is usually 2-chambered. 



Color. — Hydranths and male gonophores light green, female 

 gonophores reddish orange. 



Distribution. — San Juan Archipelago (Fraser); off Matia I., 

 Friday Harbor. 



Eudendrium insigne Hincks 



PI. V, Fig. 14 



Eudendrium insigne Hincks, Ann. and Mag. Nat. Hist., 3rd ser., 8, 



1861, p. 159. 

 Eudendrium insigne Hincks, Br. Hydroid Zoophytes, 1868, p. 86. 



Trophosome. — Stolons form an irregular network from which the 

 small colonies spring; stem simple, slender, with few branches given 

 off irregularly. A branch is usually about the same size as the main 

 stem, hence the branching appears dichotomous. Hydranths with 

 20-25 tentacles. There is a characteristic furrow passing horizon- 

 tally around the body of the hydranth nearly half-way to the base 

 of the tentacles from which the gonophores spring The stolon is 

 not annulated but the stem, branches and pedicels are annulated 

 throughout. 



Gonosome. — Female gonophores globular on short stalks; male 

 gonophores in a whorl, 2-chambered, each chamber oval. 



Color. — Perisarc horn color, hydranth reddish-brown; female 

 gonophores orange. 



Distribution. — Clayuquot Sound, Pylades Channel. 



I have not seen the male gonophores. The figure and the de- 

 scription of these are from Hincks. 



Eudendrium rameum (Pallas) 



PI. VI, Fig. 15 

 Tubularia ramea Pallas, Elench. Zooph., 1766, p. 83. 



