Mr. J. Gwyii .Icffrcys on Norioecjlan Mollmea. 443 



Dentalium abyssokum, Sars. B. C. iii. 197/ and v. 197, pi. 

 101. f. 1. C. 30-230 f. ; P. 90-1476 f. 



GASTEOPODA. 



Chiton Hanleyi, Bean. B. C. iii. 215, and v. 198, pi. 65. f. 5. 

 C. 25-60 f. P. 30-345 f. 



C. CANCELLATUS (Lcacli '?), G. B. Sowerby, inn.,= C. alveolus, 

 Sars. B. C. iii. 217, and v. 198, pi. 50. f. 1. G. 25-60 f. 



C. ciNEREUS, L. B. C. iii. 218, and v. 198, pi. 56. f. 2. C. 5- 

 100 f. ; P. 10-40 f. 



C. ALBUS, L. B. C. iii. 220, and v. 199, pi. b>6. f. 3. C. 10- 

 60 f. 



*C. RUBEii (L.), Lo^vc. B. C. iii. 224, and v. 199, pi. 56. f. 4. 

 C. 50-100 f. 



Tectura TESTUDi-XALiH, Mull. B. C. iii. 246, and v. 20O, 

 pi. 58. f. 3. C. 0-40 f. 



T. viRGiNEA, Miill. B. C. iii. 248, and v. 200, pi. 58. f. 4. 

 C. 0-100 f.' ; P. 10 f. 



T. FULYA, Midi. B. C. iii. 250, and v. 200, pi. 58. f. 5. C. 

 10-140 f. ; P. 15-90 f. 



Lepeta c.eca, Miill. B. C. iii. 252, and v. 200, pi. 58. f. 6. 

 C. 0-100 f. 



*Propilidium ANCYLOiDSS, Foi'L. B. C. iii. 254, and. v. 200, 

 pi. 58. f. 7. C. 40-60 f. ; P. 90-1366 f. 



^Fissurisepta papillosa, Segnenza (Annali dell' Accademia 

 degli Aspiranti jNTaturalisti, 3''^ serie, vol. ii. 1862, t. iv. f. 2, 

 2*, 2"*). I dredged at Drohak three specimens of this extra- 

 ordinary species ; all were dead, and have a fossilized ap- 

 pearance. The shell is conical, with a round hole at the 

 apex and an internal plate or septum, thus forming a link 

 between PropiUdium and Fissurella. Prof, Seguenza dis- 

 covered it, with Punchirella noacMna, Emarginula crassa^ 

 and other northern species, in what he considers the upper 

 strata of tlie Miocene formation, at Hometta, near Messina; 

 and he most obligingly presented me with specimens, which 

 I have now had the unexpected opportunity of comparing 

 with those from Norway. If this formation a,t Rometta be 

 really Miocene, the occurrence of Fissurisepta papiUosa at 

 Drobak, whether in a living or fossil state, is very wonderful. 



PuNCTURELLA NOACHINA, L. B. C. iii. 257, and V. 200j pi. 59. 

 f. 1. C. 10-60 f. ; P. 15-420 f. 



Emarginula FissinfA, L. B. C. iii. 259, and v. 230, pi. 59 

 f. 2. C. 20-60 f., and var. {ncnrra ; P. 10-420 f. 



E. CRASSA, J. Sowerby. B. C. iii. 263, and v. 200, pi 59 f. 4 

 C. 10-100 f.; P. 90-155 f. 



