PLATE LX III — Continued. 
EuthYDESMA SUBTEXTILE. 
Page 385. 
See Plate 93. 
Figs. 11-13. Left valves of this species. 
Portage group. Lake Erie shore, Chautauqua Co., N. Y. 
Fig. 14. A rig-lit valve. 
Fig. 15. An enlargement of the surface, incorrectly represented. 
Fig. Pi. A left valve of an old individual presenting strong oblique folds on the middle of the shell. 
Portage g-roup. Lake Erie shore, Chautauqua Co., JY. Y. 
SCIIIZODUS DEGENE I?. 
Page 45G. 
Fig. 17. A left valve. The umbo and beak are too much elevated in the figure. 
Paraoyclas rotunda. 
Page 444. 
See Plate 95. 
Pig. 18. A right valve. 
Chemung group. Broome Co., N. Y. 
Pig. 19. A left valve. 
Chemung group. Broome Co., N. Y. 
SCIIIZODUS PATULUS. 
Page 157. 
Pig. 20. A left valve. 
Chemung group. JSfecCr Mansfield, Pa. 
Pala<:omya OBLONGA. 
Page 509. 
Pig-. 21. A cast of the interior of a left valve showing muscular imprints and strong concentric undulations 
of growth. 
Hamilton group. Schoharie Co., N. Y. 
