Mr. W. L. Distant's Rhynchotal Botes. 19 EXPLANATION OF THE PLATES. Plate I. Fiff. \. Sardina sagax, S. Africa, 210 mm. Fiy. 2. Sardina neopilchardus, New Zealand, 230 mm. Plate II. Distribution of Sardina. Tlie mean annual surface-isotherms of 6°, 12°, and 20= C. are shown. _///////, S. pikhardus ; \\\\\\ S. pilchardus sardina ; e^, S. sagax ; i 1 1 ! I ' I ! !, 6". neopilchardus. Plate III. Diagrams of scales of Sardina. Fig. 1. S. pilchardus sardina, Barcelona, 140 mm. Fig. 2. S. pilchardus, Cornwall, 200 mm. (specimen figured by Day, P. _Z. S. 1887, pi. XV.). Fig. 3. S. 2)ilchardus sardina, Trieste, I-IO mm. Fig. 4. S. pilchardus, Sautander, 175 mm. Fig. o. S. pilchardus, Coruna, 160 mm. Fig. 6. *S'. pilchardus, Cornwall, 210 mm. Fig. 7. S. pilchardus sardina, Madeira, 180 mm. Figs. 8, 9. .S'. pilchardus sardina, Constantinople, 140 mm. Figs. 10, 11. S. sagax, Japan, 200 and 190 mm. Fig. 12. S. neopikhardus, Wellington, N.Z., 230 mm. II. — Rhynchotal Notes. — LX. By W. L. Distant. Homoptera. Fam. Mem'bracidaB (coutiuiied from vol. xvii. p. 330). OxyrhacMs tenebrosus. Centrotus tenebrosuSf Walk. List Horn, ii. p. 623 (1851). Hab. Sierra Leone. OxyrhacMs lamborni, sp. n. Body and legs piceous browu ; tibise brownish ochraceous ; pronotal cariuatious paler, more than apical half of posterior pronotal process blackish ; membrane subhyalme, the base and costal margin brownish ochraceous, remaining venation and a small spot at posterior angle of inner tegminal margin piceous ; pronotum thickly finely punctate, centrally carinate, the lateral processes broad, obtusely acute, a little upwardly 2*
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