Massy — The Holothurioidea of the Coasts of Ireland. 45 



Benthogone rosea, Koehler, 1896. 



S.E. 336— Trawl, 673-720 fms. One hundred and five. 

 S.E. 593— Trawl, 670-770 fms. Many. 

 S.E. 944-Trawl, 982 fms. Forty-four. 



The samples preserved average 120 mm. in length. The ventral appen- 

 dages are purple in alcohol, and this colour sufiuses the otherwise white 

 surface. The integument is 4-5 mm. thick, and, as in the type, is closely 

 sprinkled with red-brown dots on the inner surface, with rows of brown 

 markings on the 5 muscle bands. The deposits agree with those of the type. 

 Although 4 is the usual number of perforations in the centre of a wheel, 3 

 and 5 are of common occurrence. 



Bistrihution. — Bay of Biscay, numerous examples (Koehler, 1896). Coast 

 of Africa to Senegal, Canaries, only a few in each haul (Perrier, 1902). 



Vertical Range.— QQi-12d,% fms. 



Sub-order 2. DENDROCHIROTAE. 



Family CUCUMAEIIDAE. 



Cucumaria elougata, Diib. & Kor., 1844. 



Cucumaria fusiformis, Forbes & Goodsir. 

 „ pentadcs, Miiller, 1788. 



This has been taken by us on 9 occasions, at all seasons, on the east, 

 west, and south coasts at depths of 2-37-1- fms. It was usually observed in 

 small numbers, but, was abundant in autumn off Dundrum Bay, Co. Down, 

 and Mine Head, Co. Waterford. It has been previously recorded from the 

 north and east coasts under Cuc^imaria fusiformis (F. & G.), and from the 

 south and west coasts under this name, and also as Cucumaria pentactes 

 (MiilL). Theel (1885, p. 106) records it from 53° 23' K, 13° 29' W., at 85 fms. 

 [Porcupine Exp.]. Figures of this species have been given by Kemp 

 (1905, pi. 35, fig. 1) and Orton ( 1 914, p. 230). A specimen measuring 70 mm. 

 in length, and taken in the month of September, contained ca. 240 gonadial 

 tubes. They were narrow and unforked, and averaged 15 mm. in length. 



Bistrihution.— YTe&i coast of Scandinavia to Mediterranean (Theel, 1885). 

 Plymouth (Orton, 1914). 



Cucumaria Hyndmani (Thomps.), 1840. 

 "We have dredged this species on 6 occasions in St. George's Channel, and 

 also in Clew Bay and Killary Bay, at soundings 5-275 fms. It was observed 

 in abundance in the latter inlet by Forbes (1841), and there are records of its 



