449 



its growth, the sponge thus assuming a fan-shaped exterior. 

 The specimen in hand is rather large, it has a height of 

 42 cm, and the plate has a greatest breadth of about 30 cm, 

 the sponge is rather thin, the thickness is 3 mm as an average. 

 The spicules quite agree with those figured by Vos m aer. 



At Angmagsalik ^^/э 1900, depth 140 fathoms (The Amdrup- 

 expedition 1900). 



P. rugosa Bow. 



1866. Dictyocylindrus rugosus Bowerbank, Mon. Brit. Spong. II, 119; ibid. 



1874, III, PI. XX, figs. 1—4. 

 1887. Axinella rugosa, Fristedt, Vega-Exp. vetensk. lakttag. IV, 461. 



1 have seen a fragment of Fristedt's specimen, but from 

 this I am not able to judge with certainty about the deter- 

 mination. 



East-coast of Greenland, depth 130 fathoms (The Swedish 

 arctic expedition 1883; Fristedt 1. c). 



Tragosia Gray. 



T. Sluiteri Vosm. 



1882. Cribrochalina Sluiteri Vosmaer, Niederl. Arch, für Zool. Suppl. Band 



I, 36, Pi. I, figs. 16—17, PI. Ill, figs. 67—69, 

 PI. IV, figs. 145 — 147. 



1885. — — Vosmaer, Bijdrag. tot de Dierk. 12te All., 3die 



Gedeelte, 22, PI. I, fig. 10, PI. IV, figs. 4-6. 



1886. — — , Levinsen, Dijmphna-Togtets zool bot. Udbytte. 



352, PI. XXIX, figs. 6-9. PI XXX, fig. 6. 



Of this species there is a fine, funnel-shaped specimen in 

 the collection; it has a total length of 120mm, the stalk being 

 50 mm long. 



Jan Mayen ^^/e 1900, depth 55 fathoms (The Amdrup- 

 expedition 1900). 



Bubaris Gray. 



B. vermiculata Bow. 



1866. Hymeraphia vermiculata Bowerbank, Mon. Brit. Spong. II, 141, et 



ibid. 1874, III, PI. XXV, figs. 1—3. 



1887. — — var. erecta Cart., Fristedt, Vega-Exp. ve- 



tensk. lakttag. IV, 461. 



