| OCR Text |
Show 302 MR. W. F. KIRBY ON NEW ODONATA. [May 21, in the extremely petiolated wings, the large pterostigma, and the different points of origin of the sectors. TATOCNEMIS MALGASSICA. (Woodcut, p. 301.) Exp. al. 72 millim. ; long. corp. 50 millim. Male. Head black above, pale reddish beneath ; ocelli, the base of the labrum, two spots within the eye, and the occiput tawny or reddish ; thorax black above and on the sides, yellowish beneath ; middle of prothorax dull reddish above; mesothorax with two oblique tawny shoulder-stripes, connected by an oblique line at the base of the wings ; legs red, yellow at base of femora, knees blackish ; abdomen bright red, the first joint with some blackish markings on the sides above ; wings yellowish hyaline, with black nervures, pterostigma tawny. Hab. Betsileo, Madagascar (Rev. Deans Cowan). PROTOSTICTA GRACILIS. Exp. al. 62 millim. ; long. corp. 51 millim. Male. Head black ; labrum above yellow ; thorax bronzy black on the sides, green in the middle above, in some lights, an oblique yellow stripe below the fore wings ; the under surface, especially behind, and the legs yellow, the latter with long slender hairs; abdomen lone; and slender, thickened towards the extremity, bronzed above, the last three segments pale (probably blue or green in life) ; under surface with a long yellow spot at the base of the first 7 segments. Wings hyaline, with black nervures ; pterostigma large, twice as long as broad, covering two cells, oblong, but the inner and upper angle truncated, making the upper side shorter than the lower ; a double row of cells beyond the pterostigma. Fore wings with 21- 22, and hind wings with 18 pr;stnodal cells. Median and subnodal sectors rising just before and after the nodal cross-nervure respectively ; the nodal sector rising 5 or 6 cells beyond, and the ultranodal one or two cells further. Trapezium regular, about twice as long as broad, its upper sector extending to the level of the origin of the nodal sector; its lower sector absent. Two basal postcostal nervures, the first halfway between the base and the first antenodal cross-nervnre, the second just before the level of the second antenodal cross-nervure. Two cells between the trapezium and the first descending nervure. Upper anal appendages as long as the 9th segment, incurved, the lower ones shorter, but their exact structure not visible. Hub. Menado, Celebes (Wallace). The generic characters differ a little from those assigned to Protosticta simplicinervis, Selys (also from Celebes), which is not before me, and I have therefore included them in the description. LESTES WALLACEI. Exp. al. 55 millim. ; long. pter. 2\ millim. ; long. corp. 46 millim. Female. Head buff, a bronzed spot, shading into green between |
