PLATE II. 



Figures magnified 500 diameters. 



Fig. 1. AMPHIPRORA (Amphipleura) Lindheimeri, var. Gran. Oregon, 



Texas, etc., T. R. M. S. 1877, p. 17!. 

 " 2. PLEUROSIGMA TRANSVERSALE, W. S. ; S. B. D. 11, p. 96, Sm. 



8p. T. 415. 

 :',. " INTERMEDIUM, W. S. ; S. B. D. 1, p. 64, 21, f. 200, 



Sm. Sp. 405. 

 Figs. 4, 5. AMPHIPRORA PUL.CHRA, Bail, front and side view ; Bail. M. 



O. p. 382 f, 16; V. H. 22-', f. 1, 2. 

 Fig. 6. LEPIDOPTERA, Greg. T. M. S. 1857, p. 76, 1, f. 



:',!; V. H., 22, f. 2, 3 ; Sm. Sp. T. 23. 

 Figs. 7, s. HYALINA, Eulenst. Probably a var. of A. Palu- 



dosa, W. S. ; also very near Ai[ih<-n ittlcr- 



iiirilift, Lewis; for Grev.'s fig. v. V. H., 22, 



f. 17. , 

 Figs. 11-11. QUADRIFASCIATA, Bail. M. O. p. 38, 2, f. 2-4 does 



not possess much value, the Imi ids of colored 



endochrome mean nothing. 

 Figs. 12, l:J. OBNATA, Bail. M. O. p. 38, 2, f. 15, 23; H. L. S., 



this according to Bail.'s fig. ; for larger form 



v. PL 48. f. 21. 

 Figs. 14, 15. " CONSTRICTA, Ehrb., marine and brackish water, 



E. Amer. 2-6, f. 28; S. B. D. Vol. 1, p. 44, 15. 



f. 126; Prit. p. 0, 23, 12, f. 1; Sm. Sp. T., 21. 

 Fig. 16. CONSPICUA, Grev., (a pulchra var.) T. M. S., p. 



86, (1861), PL 10, 16; V. H., 22 b. f. 3, Hudson 



River, N. Y. 

 Figs. 17, is. " MAXIMA, Greg., D. C., p. 35, 4, f. 61; Lens, Vol. 



II, No. 11. p. 89; V. H., 22, f. 4. 



Fii;-. 1H. " I>K' USSATA, Grim., V. H., 22. f. 13. 



Figs. 20, 21. ALATA, Ehrb., three views, K. B., p. 107, 3, f. 60; 



S. B. D., Vol. I, p. 44, 15, f. 124; V. H., 22, f. 



11, 12. 

 Figs. 22, 2:;. PALUDOSA, W. S.; S. B. D., p. 44, 31, f. 269; V. H., 



22, f. 10. 



