480 PROCEEDINGS OF THE ACADEMY OF [July, 



Fig. 7. — Mesomphix subplana (Binn.). Thundcrhead Mountain. No. 58,004 



A. N. S. P. 

 Fig. 8. — Omphalina lucubrata (Say). Texolo, V. C, Mex. 

 Fig. §.— Mesomphix rugeli (W. G. B.). Roan Mountain, X. C. No. 70,566. 

 Fig. 10. — Mesomphix laevigata monticola Pils. Cades Cove, Blount County, 



Tenn. 

 Fig. 11. — Mesomphix andrewsce Pils. Cades Cove, Tenn. No. 76,821 



A. N. S. P. 



Plate XXXVIII. — Fig. 1. — Omphalina cuprea Raf. Emporium, Cameron 

 County, Pa. No. 6S,481 A. N. S. P. 

 Fig. 2.—0.friabilis W. G. B. Wyandotte, I. T. No. 91,353 A. N. S. P. 

 Figs. 3, 5.—0. kopnodes (Binn.). Monte Sano, near Huntsville, Ala. 

 Fig. 4.— O. friabilis (W. G. B.). Mablevale, Ark. 

 Fig. 6.— O. friabilis (W. G. B.). San Marcos, Tex. 

 Fig. 7.— O. pilsbryi Clapp. Near Wetumpka, Ala. 



Plate XXXIX. — Fig. 1. — Mesomphix subplana Binn. Thunderhead Mountain. 

 Figs. 2, 3. — Mesomphix rugeli W. G. Binney. Roan Mountain, North 



Carolina. 

 Fig. 4. — Mesomphix andrewsas Pils. Central, lateral and transitional, and 



two marginal teeth. Cades Cove, Tenn. 

 Fig. 5. — Mesomphix inornata Say. Pittsburgh, Pa. 



