The Annals and magazine of natural history; zoology, botany, and geology . ulus are scarcelyseparated in the hind wings and the triangle of the hind wingsis never divided. It is to be regretted that Mr. Austen obtained only threespecimens of this interesting species, all in bad condition. Beblecia adolescens, sp. n. (Woodcut, fig. 2.) Exp. al. 60 millim.; long. pter. 5 millim. Lighter or darker ochraceous; pleura, pectus, and facepaler; vertex darker, sometimes slightly greenish; antennas,ocelli, spines on the legs, and central and part, of the lateralcarinas on the abdomen black; a pale brown


The Annals and magazine of natural history; zoology, botany, and geology . ulus are scarcelyseparated in the hind wings and the triangle of the hind wingsis never divided. It is to be regretted that Mr. Austen obtained only threespecimens of this interesting species, all in bad condition. Beblecia adolescens, sp. n. (Woodcut, fig. 2.) Exp. al. 60 millim.; long. pter. 5 millim. Lighter or darker ochraceous; pleura, pectus, and facepaler; vertex darker, sometimes slightly greenish; antennas,ocelli, spines on the legs, and central and part, of the lateralcarinas on the abdomen black; a pale brown shoulder-stripeand a similar stripe on each side of the upper part of theabdomen: wings hyaline, with black neuration; costalnervure and pterostigma yellow, the latter between blacknervures ; membranule of hind wings whitish, beyond it thewing is very slightly stained with yellow. 72 Mv. W. F. Kirby on OJonatafrom Sierra Leone. Described from three specimens (2 $, 1 $ ), all more orless damaged and perhaps not quite mature, captured onSept. 2, 9, and 13 (1899). Fig. Beblecia adolescens. Crocothemis erytlirtea. Libelhda erythrcea, Brull6, Exped. de la Moree, iii. (I) p. 102, pi. xxxii, fig. 4 (1832).Crocothemis erythrcea, Kirb. Cat. Neur. Odon. p. 21. n. 1 (1890). 19 specimens, Aug. 25 to Sept. 22 (1899).Specimens from West Africa are rather smaller andslenderer than typical ones from South Europe. ThermortJiemis Austeni, sp. n. (PI. II. figs. 1, 1 a.) Long. corp. 54-56 millim.; exp. al. 94-98 millim.; long,pter. 4 millim. Male.—Rufo-testaceous, thorax with a slight brown line oneach shoulder and the borders of the patagia black ; abdomenin the male pulverulent blue. Legs black in the adult male,except at the base of the femora; otherwise rufo-testaceous,with black tarsi; spines strongly developed. Wings hyaline,with black nervures, very slightly tinged with yellowishbrown at the base; pterostigma yellow, between black ner-vures; tips very slightly browned. Fore wings wit


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