458 



This species is not represented in our collections; it has 

 been taken at North-Shannon (Die zweite deutsche Nordpolar- 

 fahrt; Haeckel 1. с.)- 



L. Nanseni Breitfuss. 



1898. Leucosolenia Nanseni Breitfuss, Zool. Jahrbuch. XI, 166, Taf. 12, 



Fig. 1-9. 

 1898. — — Breitfuss, Arch, für Naturgesch. 1898, 21. 



A number of small, cylindric, but only slightly connected 

 individuals, each with an osculum, growing on a Hydroid; the 

 whole has an extent of about 8 mm. 1 think it probable, that 

 the Ascaltis coriacea mentioned by Fristedt (Vega-Exp. vetensk. 

 lakttag. IV, 405, PI. 22, figs. 1—2) belongs to the present 

 species, with which the mentioned and figured spicules seem 

 to agree. 



Angmagsalik ^^/з 1901 (Søren Nielsen). In case Fristedt's 

 A. coriacea belongs here, it has also been taken at East-Green- 

 land, depth 350 fathoms (The Swedish arctic expedition 1883). 



Ascandra (Haeck) v. Lendenf. 



A. complicata Mont. 



1818. Spongia complicata Montagu, Mem. Wernerian., Il, 97. 



1872. Ascandra complicata, Haeckel, Die Kalkschwämme, II, 93, Taf. 15, 



Fig. 1 a-k. 

 1898. — — , Breitfuss, Arch, für Naturgesch. 1898, 22. 



Of this species we have a specimen which may be termed 

 a Soleniscus-ïoxm^ creeping on the leaf of a Fucus] it is ex- 

 tended along the leaf to a length of 35 mm. 



Hekla-Havn, depth 5 — 12 fathoms (The Ryder-expedition 

 1891—92). 



A. Fabricii 0. Schmidt. 



1870. Leucosolenia Fabricii 0. Schmidt, Grundzüge einer Sponginf. des 



atlant. Gebiet. 73. 

 1872. Ascortis Fabricii, Haeckel, Die Kalkschwämme, 11,71, Taf. 11, Fig. 3, 



Taf. 12, Fig. 3 a— i. 

 1898. Ascandra Fabricii, Breitfuss, Arch, für Naturgesch. 1898, 22. 



Of this species we have two small specimens, both be- 



