16 
INSECTS OF THE CAVE. 
cave mammals, articulates and shells of the middle states. He 
says that “ myriopods are the only articulates which can be 
readily found in the remote regions of the caves [of West Vir- 
ginia] and they are not very common in a living state.” The 
Pseudotremia cavernarum which he describes, “ inhabits the deep- 
rig. 129. 
est recesses of the numerous caves which abound in Southern Vir- 
ginia, as far as human steps can penetrate. I have not seen it 
near their mouths, though its eyes are not undeveloped, or smaller 
than those of many living in the forest. Judging from its remains, 
which one finds under stones, it is an abundant species, though 
Fig. 130. Fig. 130 a. 
Spirosirephon Copei. 
rarely seen by the dim light of a candle even after considerable 
search. Five specimens only were procured from about a dozen 
caves.” The second species, F. Vudii Cope, ivas found in Mont- 
gomery Co. and he thinks it was not found in a cave. Professor 
Hyatt informs me that he saw near the “Bottomless Pit” in Mam- 
