Dolichopterus macrochirus Hall 
Page 262 
See plates 40-45 
1 Eighth jomt of a swimming foot. Natural size 
Horizon and locality. Bertie waterlime. Litchfield, Herkimer co., N. Y. 
Eusarcus scorpionis Grote & Pitt 
Page 233 
See plates 29-34, 36 
2 Enlargement (x 3) of portion of carapace and first tergite to show 
tubercles and scales 
3 Enlargement (x 3) of median portion of tergites to show character and 
distribution of scales 
4 Enlargement (x 3) of portion of sternite to show character and dis- 
tribution of scales 
5 Last sternite, showing the relatively great length of the plate. The 
antelateral angles or ears are incomplete 
Horizon and locality. Bertie waterlime. Buffalo, N. Y. 
All figures are from photographs. The original of figures 4 and 5 is 
in the American Museum of Natural History [no. 2249, see pl. 40], 
that of figures 2 and 3 is in the collection of Dr Mark E. Reed, Buffalo 
(see pl. 29], and that of figure 1 is in the New York State Museum 
510 
