BRITISH SPECIES OF PHALANGIDEA OR HARVEST MEN. 211 



Tarsi divided into 2 articulations in the first and 

 second, and into 3 articulations in third and fourth 

 pairs of legs. 



DIFFERENTIAL ANALYSIS OF BRITISH SPECIES. 

 SCLEROSOMA. Abdominal denticulse or tubercles short, blunt. 

 Legs without spines or tubercular denticulse on 

 the tibiae. quadridentatum Cuvier. 



Abdominal denticulse sharp pointed. Legs 

 very spinous j tibiae also armed with spines. 



Romanum L. Koch. 



LIOBUNUM. Anterior portion of caput dark. Eyes encircled 

 with a dark ring. rotundum Latr. 



Dark anterior portion of caput divided longitu- 

 dinally by a white or pale band. Eyes encircled 

 with a white ring. Blackicallii Meade. 



PHALANGIUM. Underside white. Female, abdominal dorsal 

 band dark, clearly defined, strongly angulated. 

 Two small prominent teeth in a transverse line 

 between the fore part of caput and falces. Male, 

 second joint of falces produced into a more or 

 less strong hornlike process at the base. Palpi 

 long, especially the digital joint, opilio Linn. 



Underside more or less suffused spotted or 

 mottled with brown or blackish ; coxae marked 

 with, usually, elongate spots. Abdominal dorsal 

 band ill defined, the more distinctly characteristic 

 abdominal markings being a series of curvi- 

 angular dark transverse stripes. 



parietinum Degeer. 



Abdomen divided longitudinally by a distinct, 

 white, generally interrupted, rather tapering stripe. 

 Underside white, thinly spotted with blackish ; 

 coxse marked with a few blackish spots and 

 linear markings. ; general hue light grey. 



saxatile C. Koch. 



