Descriptions and Records of Bees. 283 Ceralocheihis gihsi, sp. n. Head (lark grey. Thorax and al)domcn almost uniform brownish ochrcous, thorax without distinct markings. Wings entirely unspotted, not even darkened on the cross-veins ; diseal cell open, eoalescent with second posterior ceil ; great cross-vein slightly beyond base of second posterior cell ; second vein somewhat straightcr and shorter than in C. curni(/entin. Length of body oo mm. ; rostrum 5 ; wing 4*5. The open diseal cell and hyaline wings of this species render it very distinct. Summary. Tlie following species have been noticed in the preceding paragraphs : — 1. Ceratocheilus cornigerum (Speiser). Syn. Styrmf/omyia cornujera, Speiser (1908). Ceratocheilus icinnsatnpsoni, Wesche (1910). 2. Ceratocheilus gilesi, sp. n. 3. Toxoirhina (?) madagascariensis, Meunier. 4. Toxorrhina grahami (^Yesche). Syn. Neoceratocheilus grahami, Wesch6. 5. Toxorrhina cisatlantica, Speiser. 6. Styringomyia didyma, Grimshaw (1901). Syn. Idiophlebia pallida, Griinberg (1903). 7. Styringomyia crassicosta (Speiser). SjTi. Idiopheblia crassicosta, Speiser. XXXIX. — Descriptions and Records of Bees. — XXXVIII. 13y T. D. A. COCKERELL, University of Colorado. Megachile hicolor taiwana, subsp. n. $ . — Differs from Indian M. bicolor as follows : abdomen not so l)road at base ; hair of pleura entirely pale, slightly yellowish, the general effect being pale yellowish grey ; no fuscous hair near base of wings above; ventral scopa a little reddish subapically.
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