Pleistocene Snails from San Patricio County, Texas 35 



Plate 1 



Explanation of Plate 1 



Figs. h\-c.—Stenotrema leai aliciae; X 2.1; Fig. la, dorsal view; Fig. lb, apertural 

 view; Fig. lc, umbilical view; Section 2, bed 5; U. S. N. M. No. 638767. 



Figs. 2a-c.—Helicina orbiculata tropica; X 2; Fig. 2a, dorsal view; Fig. 2b, aper- 

 tural view; Fig. 2c, umbilical view; Section 2, bed 5; U. S. N. M. No. 

 638760. 



Figs. 3a-c— Hawaiia minuscula; X 6; Fig. 3a, dorsal view; Fig. 3b, apertural view; 

 Fig. 3c, umbilical view; Section 2, bed 5; N. S. N. M. No. 638759/ 



Figs. Ssl-c— Poly gyra texasiana; X 2.1; Fig. 4a, dorsal view; Fig. 4b, apertural 

 view; Fig. 4c, umbilical view; Section 2, bed 5; U. S. N. M. No. 638761. 



Figs. 5a-c.—Strobilops texasiana; X 7.5; Fig. 5a, dorsal view; Fig. 5b, apertural 

 view; Fig. 5c, umbilical view; Section 2, bed 5; U. S. N. M. No. 638768. 



Figs. 6i\-c— Gastrocopta tappaniana; X 6; Fig. 6a, oblique apertural view showing 

 umbilicus; Fig. 6b, apertural view; Fig. 6c, side view; Section 2, bed 5; 

 U. S. N. M. No. 638758. 



Figs. 7 a-c— Gastrocopta cristata; X 7.3; Fig. 7a, oblique apertural view showing 

 umbilicus; Fig. 7b, apertural view; Fig. 7c, side view; Section 2, bed 5; 

 U. S. N. M. No. 638757. 



Figs. 8a, 8b.— Pupilla hlandi; X 7.2; Fig. 8a, apertural view; Fig. 8b, side view; 

 Section 2, bed 5; U. S. N. M. No. 638763. 



Figs. 9a, 9b.—Pupoides albilabris; X 7; Fig. 9a, apertural view; Fig. 9b, side view; 

 Section 2, bed 5; U. S. N. M. No. 638764. 



Figs. lOa-c. —Gastrocopta contracta; X 7.7; Fig. 10a, oblique apertural view show- 

 ing umbilicus; Fig. 10b, apertural view; Fig. 10c, side view; Section 2, bed 

 5; U. S. N. M. No. 638756. 



Fig. 11— Succinea grosvenori; X 2.1; apertural view; Section 2, bed 6; U. S. N. M. 

 No. 638769. 



Figs. 12a-c— Gastrocopta armifera; X 7.4; Fig. 12a, oblique apertural view show- 

 ing umbilicus; Fig. 12b, apertural view; Fig. 12c, side view; Section 2, bed 5; 

 U. S. N. M. No. 638755. 



Figs. 13a-c— Seed of sedge genus Scleria? sp.; X 7.7; Figs. 13a, 13b, side views; 

 Fig. 13c, view showing attachment scar; Section 2, bed 5; retained in Con- 

 kin Collection. 



Fig. 14.-Snail egg; X 7.4; Section 2, bed 5; U. S. N. M. No. 638773. 





