112 DESCRIPTIONS OF THE MYfclAPOD 



dra; but the eyes exclude it from that genus, as the 

 number of feet does from Lithobius. 



S. C. *sexspinosa. First joint of the posterior feci 

 two spined. 



My Cabinet. 



Body reddish-ferruginous, punctured; second seg- 

 ment shortest, then the fourth and sixth, terminal one 

 indented at tip, and armed beneath with a double, 

 prominent, robust spine; antennae with very short 

 dense hair, joints oval, separated by a very short 

 peduncle; feet, two moveable short spines at the ex- 

 terior tip of the fourth joint, fifth joint with one be- 

 yond the middle and one at tip; posterior feet, the 

 base beneath a conspicuous, elevated, compressed, 

 acute, sub-triangular spine, and a smaller one on the 

 inner side above, nearer the middle. 



Not uncommon in decaying wood. It varies in 

 being impunctured beneath. 1 have a fortuitous va- 

 riety, of which the antennae are clavate and five- 

 jointed. 



3. C. *postica. Terminal segment of the body 

 longest; posterior feet very short and robust. 



Inhabits Georgia and East Florida. 



My Cabinet. " 



Body rufous, paler beneath, punctured ; segments 

 with two impressed, longitudinal lines above, and a 

 deeply impressed one beneath; ultimate segment long- 

 er than the two preceding ones conjunctly, with two 



