218 BRITISH SPECIES OF FALSE-SCORPIONS. 



Ceplialotlwrax and falces yellow-brown and very glossy ; palpi 

 red-brown ; abdomen dull yellowish-brown ; legs pale dull 

 yellowish ; eyes small, round, removed nearly 2 diameters distance 

 from the fore-margin of the caput ; palpi long strong ; humeral 

 joint distinctly longer than the cubital ; claws of the pincers curved 

 and distinctly longer than the bulb. 



This species is very nearly allied to Roncus Cambridgii, 

 resembling it in general form and colours ; but it may be readily 

 distinguished by the rather longer palpi, the claws of the pincers 

 being longer than the bulb and the humeral longer than the 

 cubital joint, as well as the rather greater interval between the eyes 

 and the fore-margin of the caput. I have only met with four 

 specimens of this rare species, one of which is the type from which 

 Dr. Ludwig Koch described the species in 1873. This specimen 

 and one other were found among moss in a wood at Bloxworth,one 

 under a stone at Pokeswell, and the fourth was found by my 

 nephew (F. 0. P. Cambridge) some years ago under a stone near 

 Sherborne. It has occurred, though rarely, in France, but, so far 

 as I am aware, nowhere else on the Continent. 



GEN : CHELIFER, Geoffr. at partem. 



Ceplialotliorax longer than broad ; broadish behind and narrow- 

 ing gradually to the fore extremity. It is divided transversely 

 into three portions by two more or less strong constrictions or 

 grooves ; the anterior portion forms the caput and is divided off by 

 the stronger of the grooves, and the posterior portion is usually 

 half of the width of the central portion, the caput and the 

 central portion being generally of equal or nearly equal width. 

 The central and posterior portions form the thorax. The surface 

 is generally either granulose or shagreened or both ; the hairs with 

 which the cephalothorax and abdomen (and at times the legs and 

 palpi) are furnished are at times short and obtuse, or more or less 

 claviform, though sometimes fine. The upper abdominal plates are 

 11, the first 10 divided longitudinally. The falces are small and do 

 not occupy the whole width of the caput. The legs are short and 



