Since the publication, in Psyche for 1892, of my study of the Orthopteran genus Hippiscus, a few additional species have come to light, and they are herewith described. The first species belongs to the subgenus Hippiscus, the others to the subgenus Xanthippus.

Hippiscus citrinus, sp. nov.—A compact and stout though rather small form. Head rather stout and full, broad above, luteo-testaceous, more or less infuscated above, dark fuscous in a stripe behind the eyes, the carinæ more or less infuscated; summit of head obscurely punctate, the vertical scutellum obscure and, with the foveolæ, much as in H. compactus; frontal costa broad, flat, punctate, depressed at the ocellus, where it is slightly enlarged, but otherwise subequal; antennæ ferruginous in basal, blackish in apical half.