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Show 34 REV. O. P. CAMBRIDGE ON NEW ARANEIDEA. [Feb. 5, back, spotted with well-marked yellowish shaft-spots, which are short and triangular on the head, and long and thin on the neck; the shaft-spots on the head are slightly margined with blackish : beneath earthy brown, densely spotted with elongated ochraceous shaft-spots, which are distinctly edged with blackish ; flanks and crissum less marked ; chin and middle of throat pale ochraceous, unspotted ; bill very short, slightly incurved, pale brown ; feet dark. Whole length 8*0, wing 4*0, tail 3*8, bill from gape 0*9. Hab. S.E. Brazil. Mus. S.-G. The single specimen of this species, which was purchased of a dealer, but is of apparently " Brazilian" make, is not unlike some examples of P. affinis, but is at once distinguishable by its shortened and straightened bill. In revising the Dendrocolaptidse for the 15th volume of the British Museum Catalogue I have found it necessary to use two new generic forms. These are :- (1) L I M N O P H Y E S (Xl/xvn palus et cpvu) gigno), for Limnornis curvirostris, Gould (Zool. Voy. Beagle, iii. p. 81), a form allied to Limnornis, but differing in its curved bill; and (2) H Y L E X E T A S T E S (v\n silva et kZeraorrjs investigator), for Dendrocolaptes perroti, Lafr., which is allied to Dendrexetastes, but differs in its much stronger and stouter bill. 3. On some new Species and a new Genus of Araneidea. By the Rev. O. P. CAMBRIDGE, M.A., F.R.S., &c [Eeceived November 30, 1888.] (Plate II.) The Spiders described in the present paper are from the widely separated localities of Burmah, South Africa, and Australia. The principal interest attaching to two of them (from South Africa) arises from their being represented, at this moment, by examples living in this Society's Insect-house. One of these two spiders, Pachylomerus natalensis, has been there for the last twelve months along with its fine trapdoor nest. The other, Stegodyphus gregarius, has only lately been received there, and is also interesting as being the first, I believe, of this group (Eresidce) whose habits are known to be gregarious : the nest is of large size, and contains from 100 to 150 inhabitants of both sexes and various a«*es. Some few of these had died on the passage from Durban, and from these the subjoined description has been prepared. Another of the spiders described is interesting as being the second known species of Tree Trapdoor Spiders. The first species was described and figured by myself several years ago (Ann. & Mag. Nat. Hist. xvi. (4) p. 319 pi. x.) from Uitenhage, South Africa, under the name of Mogg-ridgea dyeri. Subsequently in 1887 a note was communicated to |
