128 Bulletin ii 128 



Explanation of Plate 12. 



(13) 



Page. 



Fig. I. Ampullina recurva Aid., var — 92, 92 



2. Adeorbis liniferus A\6. 94, 94 



3, a. Adeorbis sylvcerupis, n. sp 94, 94 



4, a. Adeorbis sylvcBViipis, \2X 94, 94 



5, a. Adeorbis dalli, x\. s]^ 95, 95 



6. Scala, sp 95, 95 



7, a. Scala exquisita Aid. (Aldrich's figures) 95, 95 



8. Scala, sp 95, 95 



9. yJ/a/M^a /mwd! Aid. (after Aldrich) 96, 96 



10. Turbonilla, sp 96, 96 



II, a. Eulima cainei, n. sp 96, 96 



12. Etilima exilis Oohh 96, 96 



13. Niso umbilicata \,Q.2i 97, 97 



14. Syrnoladalli,\2iT 98, 98 



15. Syrnola trapaquara Har. (after Aldrich) 99, 99 



1 6. Eulimellu tenua Gabb 97 , 97 



17. Liotia granulata Lea 99, 99 



18, a. Solariella louisiana Dall, x 0.80 too, IOO 



19, a. Cyclostretna aldrichi, n. sp loi, lOl 



20. Teinostoma subangulata Meyer, var. (Bell's 



landing).... lOi, lOl 



21, a. Teinostoma subangulata, var. (Gregg's land- 

 ing) lOI, lOI 



22, a, b. Teinostoma subangulata, var. (Sabinetown, 



Texas) loi, loi 



23, a. Fissurella alabama, n. sp.... 102, I02 



24. Spirialis cho^avensis A\di 103, 103 



25. Spirialis elongatoidea Aid 103, 103 



26. Nautilus, sp 103, 103 



