455 



Astrophora. 

 Fam. Theneidae. 

 Thenea Gray. 

 T. muricata Bow. 



1858. Tethea muricata Bowerbank, M.S. Phil. Trans., 148, II, 308, PI. XXV, 

 fig. 18. 



1887. Tethya muricata, Fristedt, Vega-Exp. vetensk. lakttag. IV, 436. 



1888. Thenea muricata, Sollas, Challeng. Rep. XXV, 95, PI. VII, fig. 3. 



This species, which is very common and widely distributed 

 in the arctic and North-Atlantic ocean, is Ukewise common 

 at East-Greenland and has been brought home in rather great 

 numbers. 



72°25'lat.N., 19° 35' long. W. ^Vt 1891, depth 140 fathoms; 

 70° 2 Г lat. N., 8° 25' long. W.^ ^^/e 1891, depth 160 fathoms 

 (The Ryder-expedition 1891—92); south-east of Sabine-Island 

 ^^h 1900, depth 110 fathoms, a great many specimens (The 

 Amdrup-expedition 1900); the East-coast of Greenland, depth 

 130 fathoms (The Swedish arctic expedition 1883; Fristedt 1. c). 



Fam. Geodiidae. 

 Geodia Lamarck. 

 G. Barretti Bow. 



1858. Geodia Barretti Bowerbank, Phil. Trans. Roy. See, 279. 

 1882. — — , Vosmaer, Niederl. Arch, für Zool. Suppl. Band I, 23, 



PI. Ill, figs. 50—51, PI. IV, figs. 120—122. 



1887. — — , Fiistedt, Vega-Exp. vetensk. lakttag. IV, 463. 



1888. — — , Sollas, Challeng. Rep. XXV, 250. 



Of this species we have a somewhat damaged specimen, 

 it measures 10 cm in greatest diameter. 



At Angmagsalik ^^/9 1900, depth 140 fathoms (The Amdrup- 

 expedition 1900); further it has been taken at East-Greenland, 

 depth 130 — 140 fathoms (The Swedish arctic expedition; Fri- 

 stedt I. c). 



