678 



HISTORICAL GEOLOGY. 



measures at Richmond, 0. ; 7 from Pittston, Pa., and as many from Cannel- 

 ton ; 17 from Illinois, 5 from Missouri, 1 from Arkansas, 1 from Kansas, 1 from 

 Nova Scotia, and 3 from Cape Breton ; and only in one case has a species 



Crustaceans. — Fig-. 1089, Acanthotelson Stlmpsoni; 1090, Palseocaris typus (x3) ; 1091, Anthracopalsemon 

 gracilis. Myriapods. — 1092, Xylobius siglllarias ; 1093, Euphoberia armigera. Figs. 1089-1091, 1093, 

 Meek and Worthen ; 1092, Dawson. 



1095 a. 



1094-1095. 



Aeaohnids. — Fig. 1094, Eoscorpius carbonarius ; a, one of the combs ; 1095, Artbrolycosa antiqua ; a, profile, 

 showing the elevation of the cephalothorax and the position of the legs. Fig. 1094, Meek and Worthen, '68 ; 

 1095, Beecher. 



