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Show 1875.] SPECIES O F SPHINGIDCE. 5 5. MACROGLOSSA OBSCURA (Horsfield, MS.). (Plate I. fig. 2.) Allied to M. passalus, but duller in colouring, the primaries more acute and longer, the transverse lines less distinct, the secondaries with a broader, more defined, more irregular, and paler central orange band; the three basal segments of abdomen edged laterally with testaceous instead of orange; secondaries below with a sharply defined internal subtriangular patch, pale yellow at base, but becoming gradually orange externally. Expanse of wings 2 inches 7 lines. Java (Horsf eld). Type, B.M. 6. MACROGLOSSA TROCHILOIDES, n. sp. Closely allied to M. trochilus, but altogether brighter in colouring, the primaries much darker, the secondaries with well-defined central orange band ; outer margin distinct and black. Expanse of wings 1 inch 5 lines. Sierra Leone (Foxcroft). Type, B.M. This is the Western-African form of M. trochilus. 7. MACROGLOSSA NOX, Newman. (Plate I. fig. 6.) Male. Primaries above black-brown, bronzy greenish in some lights, base and three indistinct wavy bars black; secondaries with the base and outer margin broadly black, central area very dark grey, silvery greenish in certain lights : body ashy black, with a lateral bright steel-blue lustre when the tail is turned to the light; basal and three terminal segments with large lateral black spots; all the segments with small lateral white-tipped black tufts, penultimate segment white-edged ; anal tuft black, pale brown at the base, and white at the tip : wings below black-brown, with bronzy greenish reflections, whitish at base; secondaries shot with pale steel-blue towards base, abdominal area bluish white: body smoky brown, thorax paler ; prothorax and palpi sordid white. Expanse of wings 2 inches 9 lines. Bockingham Bay (Macgillivray). Type, B.M. Described by Mr. Walker as the female of M. micacea. Genus CALLIOMMA, Walker. 8. C A L L I O M M A LUTESCENS, n. sp. (Plate I. fig. 5.) Primaries above clay-colour, transversely and irregularly spotted with dark grey in wavy series; an interno-basal dark grey streak: two transverse, angulated, subbasal whitish streaks, beginning on costa and terminating at first median branch, separated by a grey streak, and bounded externally by a zigzag oblique grey bar from costa to inner margin; a subtriangular, whitish, central costal spot, impinged upon by an irregular discocellular silver marking ; a whitish costal patch immediately beyond it, interrupted by indistinct grey liturge; apex somewhat pale; outer margin with a large, subapical, marginal, lunate, chocolate-coloured patch, bordered internally by a pearly greyish nebula; secondaries orange, shining and whitish on costa", but gradually deepening in tint to abdominal margin ; outer |