Pterygotus buffaloensis Pohlman 
Page 358 
See plates 57, 67, 68, 72-74, 76-80 
1 Ventral view of a young specimen showing the relative size of the walk- 
ing leg and chelicera to that of the body, the articulations of the cheli- 
cera, and the form of the telson. Natural size 
Hortzon and locality. Bertie waterlime. Buffalo, N. Y. 
The original is in the museum of the Buffalo Society of Natural Sciences 
590 
