Kew — A Synopsis of the False- Scorpions of Britain and Ireland. 53 



I. Ideoroncus Balzan 1890 (40). 

 Chelieerae with galea ; eyes 2. 



0. Cambridgii (L. Koch). 



Roncus Camhrklgii L. Koch 1873 (24). 0. Camhridgei (L. Koch) Simon 

 1879 (27).' Ideoroncus C'ambridgei (L. Koch) With 1907 (73). IdeoUsivm 

 Camhridgu (L. Koch) Ell. 1907 (75^ 



Palps reddish-brown, cephalothorax reddish-brown tinged with olive, 

 abdominal tergites olive-horny. Cephalothorax with median process obtuse 

 only a little produced, dorsum smooth or in part sUghtly reticulate ; abdominal 

 tergites shghtly reticulate ; galea with stout stem divided distally into several 

 short branches ; palps (fig. 14) with femur short and stout distinctly stalked 

 ai,id slightly broader near base than near extremity, tibia rather long-stalked 

 afterwards convex anteiio-ventrally and very moderately so dorsally, fingers 

 about as long as hand ; femur tibia and hand in part granulate more especially 

 in front and to somewhat less extent above, the granules on femur and part of 

 hand well-pronounced. L. 2'3. 



Under stones and among debris, in the open and in woods, on and near tlie coast and a little 

 distance inland; western in distribution, but plentiful where it occurs: Eoss-shire, Argyllshire, 

 Arran, Ayrshire, Kirkcudbrightshire ; Cornwall, Devonshire, Dorsetshire ; Isle of Wight. 



(42, 50, 56, 59, 69, 71, S5-6.) 



II. Eoncus L. Koch 1873 (24). 

 Chelieerae without galea ; eyes 2. 



0. lubricum (L. Koch). 



Roncus lubricus L. Koch 1873 (24). 0. luiricum (L. Koch) Simon 1879 (27). 



Palps reddish-horny, cephalothorax olive-horny somewhat reddish, 

 abdominal tergites olive-horny. Cephalothorax with median process acute 

 well-produced, dorsuui smooth ; abdominal tergites smooth or laterally 

 slightly reticulate ; chelieerae with tubercle of movable finger small ; palps 

 (fig. 15) with femur longer and less robust than in last species with only 

 moderately differentiated stalk and only slightly or not broader near base than 

 near extremity, tiljia rather long-stalked afterwards convex anterio-ventrally 

 and nearly flat dorsally, fingers longer than hand ; femur granulate in front 

 and to less extent above, hand granulate in part, tibia smooth. L. 2-5. 



Under stones, bricks, etc. ; at the roots of grass, among moss, etc. ; perhaps only in the south- 

 east and south: Kent, Sussex, Surrey, Berkshire, Middlesex, Essex; Cambridgeshire; Dorsetshire, 

 Devonsliire ; not recorded from north-west of the Severn and Wash. 



(42, 60, 79, 87.) 



' Simon by accident gives under this name the description of 0. lubricum and vice versa ; the 

 localities and other particulars, however, do not appear to be transposed. 



K.I.A. PROC, VOL. XXIX., SECT. B. [fl] 



