Mr. A. G. Butler on the Genus Thelyphonus. 203 



11. Thelyjjhonus manilanus. 



Thelyphonus manilanus (sic), Koch, Arachn. x. p. 28, pi. 334. fig. 772 

 (1843). 



Hah. Philippines. B.M. 



12. ThelypJionus proboscideus^ n. sp. PI. XIII. fig. 3. 



Colours : black above, with legs, tail, and apex of cephalo- 

 thorax chestnut-red ; cheliceres shining chocolate-brown ; 

 below shining pitchy, with basal joint of cheliceres, legs, tail, 

 base and central region of abdomen more or less red. 



Cephalothorax elongate, somewhat rugose, triangular in 

 front, where it culminates in a de})ressed, well-defined, red 

 tooth or spine ; abdomen covered with minute granular rugo- 

 sities ; the segments minutely serrated, the last segment before 

 the tail strongly excavated ; stigmatiform depressions well 

 defined : cheliceres varying in length, slightly wrinkled trans- 

 versely ; basal joint terminating anteriorly in an enormous 

 spine, toothed internally at its base and pilose ; second joint 

 with five teeth above, the first and second large, separated by 

 an interval from each other, the third, fourth, and fifth about 

 half the length of the others, situated upon the interior margin, 

 which is also somewhat pilose, interior surface bearing several 

 denticulate rugosities, inferior margin bearing two teeth ; 

 third joint elongate, cylindrical, with one spine below ; fourth 

 joint distinctly rugose, with a large blunt protuberance on its 

 lower surface ; terminal spine very prominent, blunt, somewhat 

 curved, and ending abruptly in a short conical tooth : chelae 

 pilose, dentated internally, the fixed finger, which is very 

 short and spine-like, externally ; when closed with the terminal 

 spine of third joint they appear as a compact, quadrate, com- 

 pressed plate, terminating above in two diverging teeth : legs 

 and caudal appendage slightly rugose and pilose. 



Length 1 inch. 



Hah. Ceylon {E. L. Layard). B.M. 



A very remarkable new species, and unlike any thing pre- 

 viously described in the genus. 



Section h. Species toith two spines on uppei' surface of second 

 joint of cheliceres. 



13. Thelyphonus formosus J n. sp. PL XIII. fig. 4. 

 Allied to T.prohoscideus 5 colours the same ; cephalothorax 

 without apical spine, otherwise very similar ; cheliceres some- 

 what long, nearly smooth, sparsely but distinctly punctured ; 

 basal joint of ordinary type ; second joint slightly wrinkled, 

 with only two minute teeth above, its inner surface somewhat 



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