442 Mr. J. Gwyii Jeftrcys on Norwegian MoUusca. 



Venus oyata, Pennant. B. C. ii. 342, and v. 184, pi. 39. f. 1. 



C. 10-100 f. ; P. 10-1366 f. 

 Tellina calcaria, Ch. B. C. ii. 389, and v. 187. C. 0- 



40 f.; P. 40-345 f. 

 *Mactea subtruncata, Da C. B. C. ii. 419, and v. 188, 



pi. 43. f. 3. C. 40-60 f. ; P. 15-1366 f. 

 ScROBicuLARiA NiTiDA, Miill. B. C. ii. 436, and v. 189, 



pi. 45. f. 2. C. 20-230 f. ; P. 3-2435 f. Living at the 



last-mentioned depth, as well as at 2090 f. 

 *Lyonsia arenosa, ]\Iollcr {Pandoriim). C. 40 f. Green- 

 land (Mollcr) ; Wellington Channel (Belcher) ; Spitzbergen 



(Torell) ; Upper Norway (M' Andrew). 

 Thracia papyracea, Poli. B. C. iii. 36, and v. 191, pi. 48. 



f. 4. C. 10-60 f. ; P. 64-164 f. 

 *T. TRTTNCATA, Brown. B. C. iii. 43. C. 40 f., fossil ? 

 Ne^ra abbreyiata, Forb. B. 0. iii. 48, and v. 191, pi. 49. 



f. 2. C. 40-120 f. ; P. 165-183 f. 

 N. COSTELLATA, Deshayes. B. C. iii. 49, and v. 191, pi. 49. 



f. 3. C. 10-100 f. ; P. 96-664 f. 

 N. ROSTRATA, Spenglcr. B. C. iii. 51, and v. 191, pi. 49. f. 4. 



C. 10-100 f.; P. 85-183 f. 

 N. OBESA, Lov. C. 40-230 f. ; P. 125-2435 f. Living at the 



last-mentioned depth. My reference of this species to N. 



cuspidata (B. C. v. 192) was crroneons : I am now satisfied 



that they are distinct. 

 CoKBULA GiBBA, Olivi. B, C. iii. l)Qi, and v. 192, pi. 99. f. 6. 



C. 3-100 f., and var. rosea, dwarfed ; P. 3-1476 f. 

 Mya truncata, L. B. C. iii. m, and v. 1 92, pi. 50. f. 2. C. 



0-40 f. ; P. 3-66 f. In the last case apparently fossil, and 



belonging to the variety nddevaUensis. 

 Panopea plicata, Mont. B. C. iii. 375, and v. 192, pi. 51. 



f. 1. C. 20-100 f.; P. 15-33 f. 

 Saxicava rugosa, L., var. arctica. B. C. iii. 82, and v. 192, 



pi. 51. f. 4. C. 8-100 f. ; P. 15-420 f. 

 Xylophaga dorsalis, Tnrt. B. C, iii. 120, and v. 193, pi. 53. 



f. 4. C. 10-60 f. ; P. 364 f. Not living in the last case, 



the shell having probably been dropped from floating wood. 



SOLENOCONCHL^. 



SlPHONODENTALTUI\r LOFOTENf^E, SarS. B. C. V. 395, pi. 101. 



f. 2. C. 40-200 f.; P. 30-1180 f. 

 S. QUIXQUAXGULARE, Forb. C. 40-300 ; P. 40-725 f. 

 Cadulus subfusiformis, Sars. B. C. v. 196, pi. 101. f. 3. 



C. 40-230 f.; P. 114-1180 f. 

 Dentalium entalis, L. B. C. iii. 191, and v. 197, pi. 66. f. 1. 



C, 10-100 f., and var. infnndihidum ; P. 15-664 f. 



