THE FAMILY OF THE DESMACIDINAE. 139 



Loc. Lofoten, 300 fathoms; Skagerak , 294 fathoms 

 (0. S.) ; Shetland (Crtr.), Between Franz-Joseph Land and 

 Nova-Zembla, in 142 fathoms (Marenz.). 



The variety cortiocanellati Crtr. has bihamate spicules, 

 „with nearly a straight shaft, and a prolonged, whiplike, 

 everted end to each extremity". 



Between the north of Scotland and the Shetland and 

 the Faroe Islands, in 345 — 632 fathoms". 

 2. Clitdofhiisu pennutuia 0. S. '75. 



Litt. Schmidt Erg. N. F. pag. ]19. 



Spic. tr. ac. 



(tr°. ac.) 



CO 



anc. anc. 

 Loc. S. W. of Bukenfjord, W. S. W. of Hougesund, 

 106 fathoms. 



Genus XIL Esperia. Nardo, Char, emend. Schmidt. 



Rods smooth or spined. Boivs or (and) S. shaped 



spicides. Anchors pahnato-dentate , inequiended. Keratode-fihre 



often persisting after the death of the Sponge. 



1. Espei'itt, Confarenii (Mart.) 0. S. '62. 



Synon. Spongia Contarenii Martens '24 (ace. to 0. S.) — 

 Esperia typica. Nardo. '33 (ace. to 0. S.). — 

 Esperia foraminosa 0. S. '62. — 

 Esperia Bauriana 0. S. '62. — 

 Litt. Schmidt. Sp. A. M. pag. 54. — 



Czerniawsky. Bull. Soc. I. d. N. M. 1878. p. 



[var. pontica and Jlava^, 

 Martens. Reise n. Venedig. — 

 Lieberkiihn. M. A. 1859 pag. 525. — 

 Nardo. Sp. Class. Isis. 1833. — 

 Schmidt. Sp. A. M. pag. 54. — 

 Schmidt. Sp. A. M. pag. 55. — 

 Spic. tr". ac. f. 



Notes from the Leyden IMiiseum, "Vol. II. 



