8 



HYDROIDA II 



are separated by a constriction from the stolons, or may, more rarely, exhibit an indication of stalk, 



forming half a spiral whorl. 



The gonangia are collected in coppinia; with tubes much twisted. The coppinijE are herma- 

 phroditic, with the male gonothecse wedged in among the female. 



Material: 



"Ingolf" St. 6, 63°43' N., i4°34' W.; depth 90 fathoms, 7,0° 



_ - 86, 65°03,6' N. 23°47,6' W.; — 76 — (West-Iceland) 



— - 87, 65''o2,3' N. 23°56,2' W.; — no — (West-Iceland) 

 "Thor" 63°30 N. 2o°i4' W.; — 80 metres 



Greenland : Sukkertoppen (on Bolfenid) (no further data) 

 Iceland: Vestnianno depth 28 fathoms 



— Skjalfandi Bay depth 28 fathoms 



The Faroe Islands: 62°29' N., 7°37' W.; depth no metres, 8,71° 



— — 62° 16' N., 6°o6' W.; — no 



_ — 7 miles N. by E. of Myggenses point; depth 57 fathoms 



_ _ 6 — N. by W. of Store Kalso; — 60 — 



— — Deep hole at north point of Nolso; — 100 — 



— — Boronass N. 75 W. — 30 — 



, 600 m. 



Fig. I. The Distribution of La/oca dumosa in the Northerti Atlantic. 

 In the hatched regions the literature notes a common occurrence. 



