SOME NEW SPECIES OF SPIDERS FROM BRITISH INDIA. 481 
in its basal half, sinuous, with its lower edge finely serrulate. Palpz 
with trochanter shorter than in O. marmorea and armed inferiorly at the 
apex with astrong spike, femur long, nearly straight, patella very short, 
scarcely longer than wide; tibia long, slender, straight, about two-thirds 
the length of the femur, lightly incrassate, nearly or quite four times 
as long as patella, palpus a little shorter than tibia, much less inflated 
than in O. marmorea, and with its upper spiniform process reduced to a 
more pointed tubercle. 
_ Measurements in millimetres. —Total length 7 ; length of carapace 3, of 
first leg 24. 
_ Loc. Shillong in Assam (Heaven). 
The males of the two Indian species of this genus may be cscugiised 
as follows :— 
a. Tip of trochanter of palp unarmed beneath ; tibia a . little lange 
than patella, shorter than tarsus and oy about one quarter the length 
Sethe femur, 6bG.) 6 6 ee - . marmorea. 
6. Tip of trochanter of palp i Bales with a spike ; tibia at 
least four times as long as the patella, longer than tarsus and more than 
half the length of the femur, etc. . . . . . .  armata. 
Genus Arcyrozpsira, Emerton. 
Argyroépetra beata, sp. n. 
With a close general resemblance to A. celebesiana, but easily “die 
tinguishable by the following features :—The sternum and labium are 
black ; the dorsal side of the abdomen is adorned with a pair of silvery 
bands converging in front and behind and separated: by a narrow olive- 
green stripe narrowed anteriorly and posteriorly ; externally the silvery 
bands are limited by a biack line which expands posteriorly and unites 
upon the extremity of the abdomen ; lateral surface reddish-yellow above, 
sometimes showing a yellow band on a darker field, black below ; ventral 
surface black, with a pair of parallel yellow bands passing from the ex- 
ternal ends of the epigastric fold to a point on each side of the spinners, 
The akdomen further differs from that of A. celebestanain being more 
rounded and without shoulder prominences in front, and widely round- 
ed, without caudal process posteriorly. Wala ae 
Measurements in millimetres.—T otal length 9 ; length of carapace 2, 
of abdomen 6°5, of first leg 21. 
Loc. Shillong in Assam (Heaven). 
