318 ARANEIDEA. 
6 
Hab. Mexico, Amula, Omilteme, Mexico city (7. H. Smith); Costa Rica, San José 
(Tristan). | 
A very abundunt species. 
2. Pardosa longivulva, sp.n. (Tab. XXX. figg. 21, 21a, ¢; 22, 2.) 
Type 2, androtype d, in coll. Godman & Salvin. Total length, 9 ¢, 4°5 millim. 
Colour similar in both sexes. Carapace brown, usually with a central orange band, slightly dilate behind the 
posterior eyes, and an indistinct, broken, submarginal band. Abdomen with a pale band down the middle, 
very similar to that of others of the genus, formed of the lanceolate band and paired pale spots. Legs 
yellow, faintly annulated with dusky brown. Sternum and ventral area of abdomen clothed with white 
hairs. The colours in the male sex are similar, but there is much less of the pale tint. 
Vulva of the female very elongate, with the usual small concave cap anteriorly, whence a shallow pale groove 
runs down the centre. From the posterior margin an elongate wedge-shaped tongue runs forward up this 
groove, being often slightly sinuous, much attenuated, and finally vanishing into the floor of the groove. 
On each side of the posterior dilate portion of the tongue lies a larger spheroidal boss, and a little further 
forward another smaller and less distinct one. 
The vulva, at first sight, is very similar to that of P. uncatula; but there are in the present species no bean- 
shaped lateral pieces, these being represented by the spheroids; and the distance from the cap to the 
rima is very much greater. 
Palpus of the male very similar in general character to that of P. prolifica; the central process, however, is 
much more recurved and does not extend forward, but straight across to the outer margin of the tarsus ; 
it is also slightly concave beneath, and presents a similar conical cusp at its base; moreover, there is no 
curved spine crossing beneath it (as in P. prolifica), merely an indistinct straight one. Otherwise the 
palpi of P. prolifica, P. uncatula, P. longivulva, and P. falcifera appear at first sight very much the same, 
especially when viewed laterally from the inner side. 
Lab. Mexico, Amula, Teapa (H. H Smith). 
3. Pardosa falcifera, sp.n. (Tab. XXX. tigg. 23, ¢; ¥4, 24a, 2.) 
Type 3, gynetype 2, in coll. Godman & Salvin. Total length, ¢ 6°5, 2 8 millim. 
Colour in both sexes much the same, but that of the female is more distinct. Carapace deep black-brown, 
with a dull orange central band, dilate behind the posterior eyes, the dilated portion having two small 
brown blotches, sometimes coalescent, in the centre; and a narrow orange submarginal band, including 
also the clypeus. Abdomen deep brown-black, with the usual pale lanceolate band, which is sometimes 
followed by the usual pale spots, with the dark punctiform marks. Ventral area clothed with white 
hairs. Legs deep orange-brown, the femora of all four pairs and the tibiso of iii. and iv. spotted and 
blotched with deep black. Sternum orange, with the margins and a broad, central, oval spot black, the 
latter coalescing with the marginal line posteriorly, having anteriorly a narrow, central, pale line not 
reaching beyond the middle. 
The colours in the male are much more obscure: the basal half of femora i. and ii. is entirely jet-black ; 
femora iil. and iv. annulate; the rest of the legs bright orange. Palpi jet-black, densely clothed with 
short black hairs. 
Palpus of the male similar in general appearance to that of P. prolifica, but the form of the organs is very 
distinct. ‘he central process is directed obliquely, but slightly, forward, its apex deflected and reaching 
the outer margin of the tarsus, being very broad at the base, with a small black cusp set in a deep cavity 
posteriorly, gradually tapering and terminating at the apex in a blunt point. 
The vulva of the female is also similar to that of P. prolifica in general shape, and is very variable in different 
individuals. It consists of the usual concave cap anteriorly, with, in the posterior half, two oval cavities 
divided by a broad (variable), central, chitinous bridge, which has on its posterior margin a more conspicuous 
pale triangular area, very small in var. 1 (fig. 24), very much larger in var. 2 (fig. 24a); within each 
