44 



Pl. XII. Fig. 11. 12. Montacuta Vøringi, Pr. 



12 a. — — Laaset. 



13. Lasæa pumila, Wood. 



\3a.b. — — Laaset. 



14. Asbjømsenia striata, n. gen. & sp. 



— [±a,b. — Laaset. 



15, 16. Lyonsidla Jeffreys?, Fr. 



17, 18 a, i. Terebratula arctica, Fr. 



Pl. XII, figs. 11. 12. Montacuta Vøringi, Fr. 



\2 a. — — th e hinge. 



— 13. Lasæa pumitta, Wood. 



— 13 a, b. — the hinge. 



— 14. Asbjømsenia striata, n. gen. & sp. 



— 14 a, b. — — the hinge. 



— 15, 16. Lyonsiélla Jeffreysi, Fr. 



— 17, 18 a, b. Terebratula arctica. Fr. 



