itv.w — A Sj/fiopsis of the False- Scorpions of Britain and Ireland, bl 



oli\'e-horny, abdoniiiial tergites In'ownisli-honiy. Bristles robust ; cephalo- 

 thoiux much broader in front than behind, with 20 full-sized bristles 4 on 

 posterior margin, anteiior ma.i'gin towards middle irregularly serrated pro- 

 duced into a depressed median point ; eyes moderately large, about 2 diameters 

 apart, eye I. fully 1 diameter from fi'ont ; chelicerae exceedingly robust ; palps 

 (fig. 19) femur with (i bristles in anterio-dorsal row, hand without dorsal 

 depression, fingers much longer than hand (about 1'7), teeth of fixed finger 

 well-separated large triangular slightly inclined liackwards, those of movable 

 finger less separated and lower. L. 2'0. 



Un.lerslones, bricks, etc. ; among dead leaves and debris, in tlje open and in woods : oflcii aljcml 

 margins of cultivated fields, by road-sides in villages, in old quarries nnd chalk-pits, under pieces of 

 wood, etc., on tlie floors of farm-buildings, and even in the cellars of houses ; widely distributid 

 and abundant in Britain and Ireland. 



(13, 42, 5i, 5S, 79, 85, 90, 92-3.) 



C. orthodactylus (Leach). 



Obisium orthodactylum Leach 1817 (13); in part. C. ortliodactylus (Leach) 

 Cambridge 1892 (42).' 



Palps pale horny more or less reddish, chelicerae reddish-horny, cephalo- 

 thorax and abdominal tergites yellowish-horny. Bristles somewhat longer and 

 less stoiit than in last species ; cephalothorax moderately broader in f I'ont than 

 behind, with 18 full-sized liristles 2 on posterior margin, anterior margin 

 towards middle sub-regidarly serrated not produced into a point ; eyes a little 

 larger than in last species, considerably more than 1 diameter apart, in ? 

 sometimes about 1"5, eye I. nearly or quite 1 diameter from front ; chehcerae 

 moderately robust ; palps (fig. 20) femur with 5 bristles in anterio-dorsal row, 

 Irand without dorsal depression, fingers much longer than hand (about 

 1'9), teeth of fixed finger well-separated large triangular shghtly inclined 

 backwards, those of movable finger less separated much lower. L. 1'5. 



Among dead leaves, under stones, etc., in woods, old parks, church-yards, etc. ; not unconimon 

 in the Thames vallej' and elsewhere in the south-east : Oxfordshire, Buckinghamshire, Berkshire, 

 Surrey, Kent; also in Hertfordsliire, Sussex, Hampshire, Dorsetshire; Gambridgesltire'i (60). 

 Eecorded for Scotland and Ireland by mistake (47a, 53, 85, 91). 



(42, 92, 96.) 



C. tenuis L. Koch. 



a tenuis L. Koch 1873 (24). 



Hand deep olive, rest of palp and chelicerae reddish-horny, cephalothorax 



and abdominal tergites deep oli\'e, legs pinkish. Cephalothorax moderately 



broader in front than behind, with 18 full-sized bristles 2 on posterior 



margin, anterior margin towards middle sub-regularly serrated not produced 



Mr. Cambridge has permitted me to examine one of his specimens f i oui Bioxworth. 



