Tin: ANNALS A^u AIAGAZIXE OF NATURAL UISTOllY. [EIGIITII SERIES.] No. 2:^. NOVEMBRR 1909. X LI 1 1 . — Descriptions and Records of Beet. — XXIII. By T. D. A. CocKKKiiLL, University of Colorado. Prosopis Jijiensisy sp. n. ? . — Leiif^th 14i mm. AVith a rather long pointed abdomen ; brilliant steel-blue, rather dark, with yellow lateral face-marks, consisting of bands or bars (not in the least triangular) ending very obtusely below level of antennae. No yellow on clypeus; posterior iialf of tubercles yellow ; legs dark blue without yellow, middle and hind tarsi and apical part of their tiblfe with much liglit hair ; head and thorax above with scanty coarse dark hair; clypeus well punctured; mesothorax strongly jjunctured, the punctures of two sizes, scutellum the same. Wings clear, second s.m. very long, receiving the recurrent nervures near base and apex. Tongue typical for Prosopisj so far as can be seen in the dry state. General appearance of iuicct not unlike P. alcyoned. llab. Fiji. Type in British Museum (F. Smith Collec-tion, 79.22). A very distinct species ; in my MS. table of Australian Prosopis it runs to P. albonitens, but that is a very small species. Ann. (fe Mag. N. Iliat. Ser. 8. Vol. iv. 28