112 THELYPH<moJE. 



Males. 



a. Inner edge of hand with deep semicircular 



excavation (also as under 6 1 ) H. woodmasoni, 



b. Inner edge of hand without deep semicircular [p. 113. 



excavation. 

 a 1 . Chelae long, but little incrassate ; trochanter 



armed with five strong teeth. 

 a' 2 . Hand with some granules above ; legs 



entirely red H. binghami, p. 113. 



6 2 . Hand quite smooth above ; legs not en- 

 tirely red H. oatesii, p. 112. 



J 1 . ChelsB shorter, strongly incrassate ; tro- 

 chanter not or only weakly toothed above. 

 a . Tibial apophysis with an abrupt distal 

 expansion which fits into an excavation 

 behind the base of the immovable 

 finger. 

 4 . Apical fourth of apophysis suddenly 



and quadrately expanded H. andersoni, p. 117. 



b*. Extremity of apophysis gradually 

 expanded, the expansion with rounded 

 anterior edge. 

 a 5 . Legs of 2nd, 3rd, and 4th pairs 



with femora and patellae dark .... H. sylvaticus, p. 115. 

 6 5 . Legs of 2nd, 3rd, and 4th pairs 



wholly red H. snxatilis, p. 115. 



b s . Tibial apophysis without or with only 

 a small expansion ; inner edge of hand 

 scarcely concave at base of finger. 

 a 6 . 1st leg and femora and patellae of 



2nd, 3rd, and 4th legs dark H. rangunensis, 



b 9 . 2nd, 3rd, and 4th legs wholly red, [p. 116. 



1st leg only slightly darker H. formosus, p. 116 



93. Hypoctonus oatesii, sp. n. 



<5 . Colour. Chelae and upper side of body black ; coxae, middle 

 of lower side of abdomen, 1st leg, tibiae, tarsi, and lower side of 

 trochanter of 2nd, 3rd, and 4th legs a rich mahogany-red ; femora, 

 patellae, and upper side of trot-banter of 2nd, 3rd, and 4th legs 

 blackish brown. Upper side of body densely rugose and granular, 

 anterior end of the carapace smoother. First abdominal sternum 

 almost entirely smooth, weakly punctured and striolate in the 

 middle, depressed posteriorly ; 1st, 2nd, and 3rd sterna coarsely 

 sculptured at sides ; rest of the sterna nearly smooth. Chelce with 

 coxa nearly smooth ; trochanter weakly granular above and below, 

 armed above with 5 strong teeth ; femur longish, the middle of its 

 upper surface exceeding the width of the anterior edge of the tro- 

 chanter, coarsely pitted and granular above and below, and armed 

 with a strong anterior tooth below; tibia smooth and sparsely punc- 

 tured externally, more coarsely pitted and sparsely granular below 

 and above, with a few denticuliform granules on its inner edge ; 

 apophysis much shorter than tibia, its posterior edge straight and 



