MUSEUM OF THE NATURAL HISTORY SOCIETY. 283 



Name and Locality. Reference. 



Myacites Ansticei, Sow, Geol. Trans., pt. 5, 



Loc. — In Eedesdale ironstone. pi. 39, f. 7; Perm. 



Foss.,pl.20,p.l63. 



Myacites variabilis, MCoy, Brit. Pal. Foss., 



pi. 3f, f. 6-8. 



Sanguinolites iridinoides, WCoy, Brit. Pal. Foss., 

 Loc. — Lowick, Eedesdale. pi. 3e, f. 11. 



BRANCHIO-GASTERPODA. 



Naticopsis plicistriata, PHIL, Geol. Yks., pt. 2, 



Loc. — Otterburn, etc. p. 14, f. 25. 



Naticopsis ampliata, PHIL, Geol. Yks., pt. 2, 



Loc— Otterburn. pi. 14, f. 21, 24«. 



Naticopsis elongata, Phill., Geol. Yks., pt. 2, 



Loc— Otterburn. pi. 14, f. 28. 



Naticopsis elliptica, PHIL, Geol. Yks., pt. 2, 



Loc — Bellingham. pi. 14, f. 23. 



Murchisonia angulata, PHIL, Geol. Yks., pt. 2, 



Loc. — Lowick. pi. 16, f. 16. 



Loxonema rugifera, PHIL, Geol. Yks., pt. 2, 



Loc— Otterburn. pi. 16, f. 26. 



Loxonema tenuistriata, PHIL, Geol. Yks., pt. 2, 



Loc. — Lowick. pi. 16, 4, 5, 6. 



Macrocheilus acutus, Sow, Geol. Yks., pt. 2, 



Loc. — Eedewater district. pi. 16, f. 11, 21. 



Macrocheilus imbricatus, (Sow.) M.C., pl.566, f.2; 



Geol. Yks., pt. 2, 

 pi. 16, f. 9. 



? Pleurotomaria carinata, PHIL, Geol. Yks., pt. 2, 

 Loc. — Otterburn. pi. 15, f. 1, 2. 



? Pleurotomaria helicoides, Sow, Geol. Yks., pt. 2, 

 Loc— 'Weardale. pi. 15, f. 26. 



Euomphalus pentangulatus, Sow, Geol. Yks., pt. 2, 

 Loc — Near Horsley on the Bede. pi. 13, f. 13. 



