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Show 730 MR. A. G. BUTLER ON [Dec. 2 4. P H O L C U S B O R B O N I C U S , Vinson. Plaine des Palmistes. Although the specimen is somewhat injured, there is no mistaking this remarkable species. 5. META ? SANCTI-BENEDICTI, Vinson. There is also a Spider (somewhat damaged) which seems allied to the above, from Mauritius. 6. NEPHILA LABILLARDIERI, Thorell? Plaine des Palmistes. Although it seems scarcely possible that the species of Reunion can be identical with that from New Caledonia, I have failed to discover any difference by which to distinguish it from Dr. ThorelFs figures. 7. EPEIRA ISABELLA, Vinson. Plaine des Palmistes. 8. EPEIRA SLATERI, n. sp. (Plate LVIII. figs. 1, la, lb.) 2 • Ferruginous ; sides of tbe cephalothorax blackish; a central irregular longitudinal abdominal band represented by yellow spots and by four blackish depressed spots in the form of a square ; falces piceous ; labium and maxillee, pectoral shield, and ventral surface of abdomen testaceous. Cephalothorax subquadrate in front, almost circular behind the caput, with slightly concave posterior margin, the sutural margins of the caput well defined and terminating in a depression at the second third of the dorsal surface; a central Y-shaped line upon the posterior half of the caput and ending in the same depression ; caput hairy, convex; central oculiferous tubercle prominent and X-shaped, tbe anterior pair of eyes rather further apart than tbe posterior pair; lateral eyes small, and placed upon little, oblique, less prominent tubercles at tbe anterior angle on each side; abdomen short, almost cordiform ; epigyne linguiform; pectoral shield ovoid, truncated in front; coxae short, widening towards the culmen ; relative length of legs 1, 2, 4, 3. Falces quadridentate on lower margins. Length of cephalothorax and abdomen together 10 millimetres. Plaine des Palmistes, Reunion. There is a series of what I take to be a Holothyrus near H. coc-cinelloides, but differing from Walckenaer's figures in the number of joints in the antennae and the absence of the linguiform plate on the under surface of the body. The following Spiders have been received this year from Madagascar :- 1. DRASSUS MALAGASSICUS, n. sp. (Plate LVIII. figs. 3, 3 a, 3 b.) c?. Mahogany-red; the cephalothorax with a broad ill-defined blackish longitudinal band on each side; the caput and a stripe on |