Dolichopterus macrochirus Hall 
Page 262 
See plates 35, 40-41; 43-45 
1 Dorsal view of the type specimen [Palaeontology of N. Y., v. 3, pl. 83]. 
The swimming legs are taken from the counterpart, as in the original 
figure, and show the ventral side. The specimen shows the shape 
of the carapace, the position of the eyes, the walking and swimming 
legs and the dorsal side of the abdomen, except the last segment. 
The broad sternites appear on both sides of the tergites. The swimming 
leg exhibits all joints except the coxal joint and the broad lobelike 
extensions of the inner margin of the seventh joint. Natural size 
Horizon and locality. Bertie waterlime. Williamsville, N. Y. 
The original is in the American Museum of Natural History 
524 
