CHELIFERS. 



35 



CASE and feed on mites and wood-lice. The present species has re- 

 ceived its name from being often found in neglected books and 

 museums. Found in Britain and throughout Europe. 



Chelifer museorum (magnified.) 



Chelifer cancroides (magnified and natural size). 



Chelifer cancroides {Ivoch). 

 Found throughout Europe. 



Nos. Chelifer geoffroyi {Koch). — 3, Specimens 

 2' ^ (3) ; 4. Enlarged figure. 



Another British species, but with less 

 elongated anterior legs. 



Genus Obisium (//%). 



Cephalothorax not divided by a transverse 

 furrow. 



Obisium carcinoides {Herm). 



Found i 

 of Europe. 



_,-._, . , Obisium carcinoides (magnified and 



Jbound m Germany and other parts natural size). 



C 2 



