| OCR Text |
Show 204 REV. O. P. CAMBRIDGE O N [Mar. 16, longer than the radial, slightly clavate, and bent downwards ; the radial is very short, produced behind into a strong obtuse apophysis, and in front into a long, tapering, rather curved, pointed one, which fits rather closely upon the external surface of the digital joint and is directed outwards; the digital joint is of moderate size; and the palpal organs are neither very prominent nor complex; at their extremity is a very slender filiform, sharp-pointed, circularly curved, closely-fitting spine. The falces are of moderate length; but not very strong ; they are very nearly vertical, and armed on their inner edges towards the extremity with minute denticulations. The maxilla and labium are of normal form. The sternum is of the ordinary heart-shape, and very convex and glossy. The abdomen is oval, moderately convex above, of a jet-black colour, thinly clothed with hairs, and projects, but not very strongly, over the base of the cephalothorax. An adult male of this Spider, which is nearly allied to Erigone antica (Wid.) and E.flavida (Menge), was received from M . Simon, by whom it was found in Corsica. ERIGONE EBORODUNENSIS, sp. n. (Plate XXVIII. fig. 13.) Adult male, length barely 1 line. The cephalothorax, falces, maxillae, and labium of this Spider are yellow-brown, the legs and palpi dull yellow, the digital joints of the latter strongly tinged with brown, the sternum and abdomen dull brownish black. The fore part of the cephalothorax is bluff and obtuse, the caput being slightly elevated, the summit rounded, the occipital slope tolerably abrupt; the ocular area slopes forwards, and its profile, with that of the clypeus (whose height equals not quite half that of the facial space), forms an almost evenly curved line ; from a little above and behind each hind lateral eye a deep tapering indentation runs backward in a horizontally longitudinal line to the lower part of the occiput; the other, normal, indentations are fairly but not very strongly marked ; the ocular area has a few short hairs in a longitudinal central line ; some of these are directed downwards, and some upwards. The eyes are in the usual four pairs and seated on black spots; those of one pair, situated on the fore part of the summit of the caput, just at the beginning of its front slope, are separated by nearly two diameters ; the two lateral pairs are placed at a considerable distance below ; those of each of these pairs, respectively, are contiguous to each other and placed slightly obliquely, and with the eyes of the upper pair they form a quadrangular figure, three sides of which are about equal in length, while the fourth (i. e. the upper) side is considerably less ; the eyes of the fore central pair are the smallest of the eight, dark-coloured and obscure, contiguous to each other, and placed in a straight line with the two fore lateral eyes; except the fore central pair, the eyes are shining pearly white. |
