372 MESSES. DixEY, BtxRR, AND piceahd-cambeidge OS [May 3, 



numerous spots and bands of black as in T. sybaris Hopffer, the black 

 zigzag bands on the primaries being rather more heavily indicated. 

 Expanse 0-7 inch. 



2 . — Similar to those of T. sybaris and T. iheophrastus (Fabr.), 

 but differing in the white discal patch on the primaries being 

 much more reduced. Expanse 0-6 inch. 



26. Spindasis wagg^, sp. nov. 



Nearest to ;S^. namaquus Tritnen as regards the colouring of the 

 underside, and is at once distinguished by the absence of any blue 

 on the upper surface. 



c? . — Primaries. Uniform brown, suffused with bronze, two black 

 spots, the first being at the end of the discoidal cell, the second 

 nearer the base. A narrow black submargiual line, followed by a 

 white fringe on the hind margin. 



Secondaries. Similar to the primaries, but having no bronzc 

 shading. Near the posterior angle is a bright orange spot, closely 

 followed by four nearly obsolete spots of white for about, half the 

 length of the narrow black submarginal Hue. 



Underside. Ground-colour brown with pearly white spots, 

 suffused with silver and outlined with black. These spots are 

 distributed over both wings, and do not form any regular bars or 

 rows of spots, with the exception of a submarginal row of white 

 spots preceding the hind marginal border. The orange spot on 

 the secondaries is divided by a silver dot, having near the inner 

 margin a distinct black spot. 



Expanse 1"1 inch. 



$ . — Similar to the male, but is rather larger, and the bronze 

 colour is a little deeper, aud is extended to the secondaries. The 

 orange spot is also not quite so bright. 



Expanse 1-2 inch. 



6. On a Collection of Insects and Arachnids made by 

 Mr. E. N. Bennett in Socotra, with Descriptions of 

 new Species. By P. A. Dixey, M.A., M.D., Malcolm 

 Burr, F.Z.S., and the Rev. O. Pickard-Cambridge, 

 M.A., F.R.S., C.M.Z.S. 



[Eeceived March 29, 1S98.] 



(Plates XXX. & XXXI.) 



Contents. 



I. Lepidoptera. By F. A. Dixet, p. 372. 

 II. Ortlioptera. By Malcolm Burr, p. 384. 



III. Insects of other Orders. By seTeral Contributors, p. 386. 



IV. Arachnida. By O. Pickaud-Cambridge, p. 387. 



I. LEPIDOPTEEA, with Remarks on Local and Seasonal 

 Eorms in the Genus Byblia Hiibn. By E. A. Dixey, M.A., 

 M.D., Fellow of Wadham College, Oxford. 

 Mr. E. N. Bennett, a Fellow of Hertford College, Oxford, 



reached Socotra on December 17, 1896, in company with the 



