PLAGIOBOTHRUS. 175 



the frontal margin, oval, separated by a space which is a little 

 less than their diameter ; median eyes close together. Mandibles 

 with rastellum consisting of long, hooked, irregularly arranged 

 teeth. Lahium wider than long, unarmed ; maxilla with a few 

 basal spinules. Legs strong and short, anterior pair unarmed, 

 with scopulate tarsi and protarsi ; posterior pairs with subsetiform 

 spines, scarcely scopulate. Anterior spinners absent. 



c? . Ocular area wider behind ; mandibles small, subvertical ; 

 without rastellum ; all the legs with many spines ; tibia of anterior 

 leg incrassate, furnished with a very short spine-tipped spur ; 

 tarsus of palp long, attenuate, apically obtuse. 



Type, D. walshi, O. P. Cambr. 



Distribution. India and Ceylon. 



Synopsis of Species. 



a. Protarsi of anterior legs longer than tarsi D. walshi, p. 175. 



b. Protarsi of anterior legs not longer than tarsi .... D. halyi, p. 175. 



153. Diplothele walshi, O. P. Cambr. P. Z. S. 1890, p. 621, pi. xliii, 



fig. 1. 



Colour: carapace pale yellow-brown, with darker radiating 

 lines ; legs, palpi, sternum, and mouth-parts yellowish ; abdomen 

 of dull clay-yellow colour, marked on the upper side with broken 

 transverse black bands of varied width and clearness of definition, 

 those on the anterior half being the strongest and best defined. 

 Legs with protarsi longer than tarsi ; tarsi of anterior pairs and 

 of palpus furnished above with a few clavate bristles. 



Length 8 -5 mm. 



Loc. Bengal : Orissa ( Walsh.). 



154. Diplothele halyi, Simon, Hist. Nat. Araign. i, p. 123, 1892. 



5 . Differing (according to Simon) from the female of D. walshi 

 in having the abdominal pattern less distinct, the fovea larger, and 

 the protarsi of the anterior legs not longer than the tarsi. 



S . More thickly hairy than the female. Carapace lower. Legs 

 longer ; tibial spur of 1st tipped with a slender curved and slightly 

 elevated spine ; protarsus with a single spine below ; protarsus of 

 2nd with two spines. Palpi strong, unarmed ; spine of organ 

 straight, but with apex twisted and acutely bifid. 



Total length of $ 10 mm. ; c? , 9 mm. 



Loc. Ceylon : Nuwara Eliya (Simon). 



Genus PLAGIOBOTHRUS, Karsch. 

 Plagiobothrus, Karsch, Berl. cut. Zeits. xxxvi, p. 272, 1892. 



Carapace with head high, fovea procurved ; ocular area about 

 one-third wider than long, narrowed in front ; eyes of anterior 

 line strongly procurved, posterior ends of laterals in advance of 

 anterior edge of medians, space between the two anterior laterals 



