Sponge-fauna of Norway. 143 



Table of the Species o/'Stelletta. 



I. Species possessing ternate spicules with furcate rays. 



S. vnmunda, Sdt. 1862, Spong. d. Adriat. Meeres, Taf. iv. 

 fig. 3. Syn. S. Wageneri, Sdt. 



S. Hellert, Sdt. 1864, Suppl. Spong. d. Adriat. Meeres, 

 Taf. iii. fig. 8. 



S. aspera, Carter, 1871, Ann. & Mag. Nat. Hist. ser. 4, 

 vol. vii. pi. iv. figs. 7-13. 



S. lactea, Carter, 1871, Ann. & Mag. Nat. Hist. ser. 4, 

 vol. vii. pi. iv. figs. 17-21. 



S. mucronata, Sdt. 1868, iii. Suppl. Spong. d. Adriat. 

 Meeres, Taf. iv. fig. 2. 



S. scabra, Sdt. 1868, iii. Suppl. Spong. d. Adriat. Meeres, 

 Taf. iv. fig. 5. 



S. agariciformis, Sdt., is Thenea (Gray) Wallichii (Per- 

 ceval Wright). 



S. discophora, Sdt., and S. mammiUaris } Sdt., are probably 

 Geodios. 



II. Species without furcated ternates, with ternate 

 anchor-like spicules. 



S. dorsigera, Sdt. 1864, Suppl. Spong. d. Adriat. Meeres, 

 Taf. iii. figs. 6, 7. (Doubtful whether genuine recurved 

 rays.) 



S. Grubii, Sdt. 1862, Spong. d. Adriat. Meeres, Taf. iv. 

 fig. 2. (Rays " rarofurcatis"). 



S. packastreiloides, Carter, 1876, Ann. & Mag. Nat. Hist, 

 ser. 4, vol. xviii. pi. xv. fig. 40. 



S. pumex, Sdt. 1864, Suppl. Spong. d. Adriat. Meeres, 

 Taf. iii. fig. 9. 



III. Species without either furcate or anchor-like 

 ternate spicules. 



S. Boglicii, Sdt. 1862, Spong. d. Adriat. Meeres, Taf. iv. 

 fig. 3. 



S. pathologica, Sdt. 1868, iii. Suppl. Spong. d. Adriat. 

 Meeres, Taf. iii. figs. 3, 4. 



S. anceps, Sdt. 1868, iii. Suppl. Spong. d. Adriat. Meeres, 

 p. 31. 



NOTE. — S. euastrum, geodina, and intermedia of Schmidt 

 appear to belong to Geodia. O. Schmidt* would regard as 



* III. Suppl. Spong. d. Adriat. Meeres, pp. 20, 21. 



