Dragon/lies from Sierra Leone. 



215 



species is nanietl alter Mr. Herbert Campion, who first 

 observed its peculiar leatures. 



cJ (atliilt). — Labium li;;lit yellow, with a broad median 

 black stripe. Labium bhiik. Face li^ht greenish yellow 

 Frons metallic greenish blue, light yellowish at antcro-lateral 

 angles. Verte.\ metallic greenisli blue, broadly convex, 

 very slightly emarginate. Pruthorax black, a median spot 

 and the vertically erect margin of posterior lobe greenish 

 yellow. Thorax deep black, with light yellowish-greeu 

 markings : — a narrow line at each side of median suture; in 

 front of iiumeral suture a narrow dorsal dot and a point in 

 middle of suture itself; two broad lateral stripes, first ono 

 from the meiastigma to a little more than halfway to humeral 

 suture, second one on posterior two-thirds of metepimeron, of 

 which the posterior ventral angle remains black ; anterior 

 margin of lutth stripes slightly concave, of first one near 

 dorsal end, of second one in middle. Ventral surface dull 

 greenish grey, sutures lined with black. Legs robust, 

 black; tir»t femora yellow internally. Third femora with 

 Very numerous, about 30, very small, regular, triangular 

 denticles ; second femora with similar, but still more closely 

 arranged and gradually lengthening denticles. Spines of 

 tibiie rather robust, about 10 on third tibito. Teeth of tarsal 

 claws robust, remote from end. Abdomen relatively short, 

 slender ; basal segments slightly widened laterally and 

 dorso-ventrally ; '6-5 very narrow; 6-b with slight fusiform 

 dilatation. iilack, with yellow markings: on segment 1 

 a broad lateral and small, triangular, postero-dorsal spot ; 

 on 2 a large lateral U-shaped spot and mid-dorsal, i)0s- 

 teriurly narrowed stripe ; on 3 a lateral stripe, narrowly 

 inteirupted at the transverse carina ; on 4 two small lateral 

 spuis on anterior half ; on 5 a small antero-lateral spot ; 

 wholly black; 7 with a large elliptical spot on each side, 

 extending over the entire width and three-fourths of the 

 segment's length ; 8-10 black. Ventral surface black, with 

 yellowish median spots on segments 3—7. Superior ap[>en- 

 dages about as long as ninth and tenth segments together, a 

 jjtile longer than in A. klin(/i, but scarcely different in form. 

 Inferior appendage very little shorter than superiors. Geni- 

 talia of second segment: hamule generally as in the other 

 two s|)ecies, internal branch very thin, almost vertical ; lobe 

 narrowly elliptical, of about e([ual height as the hamule. 



Wings slighlly stained wilh greyish yellow, golden yellow 

 at base : in fiont wing a vestige in * sc. and cu., in hind wing 



♦ For an explanatiuu of llie ternjinology employed by Dr. His in 

 dpscribiug the \eins and sj)aced in the wnigs ol Libellulinte, see tluit 

 author's mouoj^raph of the subfamily, fasc. ix. pp. 14-10. — II. C 



15* 



