OCR Text |
Show 866 MR. R. I. POCOCK O N SCORPIONS, PEDIPALPS, [Nov. 14, Countries,' p. 389, 1897). The latter, however, has the lower side of the abdomen covered with seta?, which are longer and more numerous than in T. inornatus; there are no blood-red markings on the abdomen, and the depression of the vulva has no pale lateral spot and black ridge. THALASSIUS AURATUS, sp. n. (Plate LVII. fig. 20.) Colour. Carapace uniformly covered, except on the clypeus which is brown, with pale hairs, white at the sides and becoming yellowish on the summit; abdomen covered above wdth golden-yellow hairs and marked in its posterior half with some small symmetrical brown spots ; sides of abdomen brownish red, darker above than below, lower surface bright yellowish brown ; legs uniformly deep chocolate-brown. Carapace as long as protarsus and one-fourth of the tarsus of the 1st leg, slightly shorter than tibia of 1st and than tibia and protarsus of 4th. Vulva very like that of T. regalis, but the anterior depression filled in at the sides aud leaving a longitudinally oblong median depression. Loc. Benito Biver (67. L. Bates). A single adult female. Becognizable from tbe other species by the uniform golden-yellow colour of the upperside of abdomen and carapace, and uniformly deep brown legs. THALASSIUS LEUCOSTICTUS, sp. n. Colour of carapace brown, with a broad yellow band on each side running from the clypeus almost to the posterior border, its upper edge tolerably even, the lower irregularly jagged on a level with tbe coxa? of the 2nd and 3rd legs, where the space between the stripe and the lateral margin is widest; a few small white spots on the dorsal surface of the carapace and one on each side above the anterior extremity of the stripe. Abdomen a deep rich velvety brown above, with a broad yellow stripe on each side, the stripe straight throughout its length, not geniculate, but at its posterior end irregularly jagged above, forming incipient white spots ; anterior part of upper surface of abdomen with a few symmetrically arranged yellow spots; sides of abdomen below the stripe spotted with yellow ; legs and palpi brown, spotted with yellow stripes above, protarsi in addition ringed with darker bands; lower side of legs, sternum, and mandibles a tolerably uniform fawn-brown ; lower side of abdomen a little darker than sternum, with a few white spots at the sides. Carapace shorter than the 1st and 4th tibiae and not quite so long as the 4th protarsus, longer than the 1st protarsus; width of carapace just about equal to tibia of 3rd leg. Ocular quadrangle longer than wide, shorter than height of clypeus ; posterior median eyes larger than anterior medians. Legs 4, 2, 1, 3, strongly and normally spined ; protarsi not very noticeably plumose. |