534 REY. O. P. CAMBRIDGE ON [ Nov. 25, 
P. phalangioides, Blackwall, Brit. and Ir. Spiders, p. 208, pl. 15. 
US7: 
Adult examples of both sexes in the collection. 
Gen. ARIADNE. 
Doleschall, Bijdrage tot de Kennis der Arachniden van den In- 
dischen Archipel; in Naturkundig Tijdschrift voor Nederlandsch 
Indié, xiii. p. 400. 
Prognatha, Camb. MS., and Illustrations of Spiders of Syria and 
Palestine. 
ARIADNE MELLIsSII, n. sp. (Plate XLII. fig. 2.) 
Female adult, length 33 lines. 
Cephalothorax oval, flattened, depressed behind the occiput, and 
with a deep transverse indentation at the junction of caput and 
thorax; the other normal furrows and indentations are strongly 
marked: the one showing the junction between the hinder part of 
caput and thorax is broadly marked with dark brown, and the tho- 
racic portion has two longitudinal dusky bands, the general colour 
being pale yellow. The clypeus is prominent. 
Eyes. The four central ones form a large square, the two fore- 
most of which are rather the largest, and black; the hinder ones 
are pearly white, narrowly margined with black; those of each 
lateral pair are contiguous to each other, and seated on a slight 
tubercle ; the posterior eyes of these pairs are in a straight line with 
the two posterior eyes of the central square, but each of these is 
nearer to the hind lateral eye on its side than they are to each other. 
The fore eye of each lateral pair is minute, and, in consequence 
of its position relatively to the hinder eye, is removed considerably 
back from the line of the fore central pair; from behind each hind 
lateral eye a fine blackish line joins the stronger dark line which 
indicates the junction of caput and thorax. 
Legs very long, slender; colour yellow, the extremities of the 
femora, tibize, and metatarsi being more or less strongly tinged with 
red-brown ; they are furnished with slender hairs ; and their relative 
length appeared to be 1, 4, 2, 3. 
Palpi short, slender, hairy, of a pale yellow colour, terminating 
with a rather conspicuous and abruptly bent black claw. 
Falces moderately strong, and similar in colour to the legs. 
Mazille long. slightly inclined to the labium, enlarged about 
their middle, and terminating in a somewhat pointed form. 
Labium short, broad, and of a somewhat triangular form. - 
Sternum long, heart-shaped; all these latter parts are similar in 
colour to the falces. 
Abdomen large, very slightly furnished with hairs ; of a somewhat 
elongate triangular shape, its upper convexity being prolonged be- 
hind into a considerable pointed eminence, with a very slight lateral 
prominence on either side towards its extremity ; its colour is of a 
somewhat golden metallic lustre, broken up as if into scales by fine 
