554 ME. W. r. KIRBT ON THE 



labium paler yellow ; mandibles and suture of the labium black ; 

 occiput spotted with black and tawny. Sutures of the thorax, 

 and a transverse stripe above, black ; sides of the thorax and 

 pleura with several rather ill-defined pale spots. Abdomen with 

 the sutures black, and mottled and blotched with black, -with 

 pale spots and streaks on the sides of segments 3-7. Legs w"ith 

 the tarsi and front tibiae black. Wings hyaline, with blackish 

 nervures ; costal nervure tawny on the outside ; pterostigma 

 black in the middle, whitish or yellowish at each extremity. 

 Anal appendages yellow, 



Female similar, but with the blackish markings much more 

 extended, especially on the abdomen, where at least the hinder 

 half of all the segments is black j the legs are also much varied 

 with brown. 



Hah. Trincomali, July 7, 1890. 



Col. Terbury's specimen is a male ; the female described is 

 labelled "India" with doubt, 



25. Ztxomma petiolatum. 



Zyxomma petiolatura, Ramb. Ins. NSvr. p. 30, pi. 2. fig. 4 c? (1842); 

 Mag. Verh. zool.-bot. Ges. Wien, viii. p. 479 (1858). 



liambodde {Sagen). 



A common Indian species. It is likewise recorded from 

 Celebes; but as there are several closely allied forma of the 

 genus, it is not unlikely that the Celebesian specimens may belong 

 to a distinct species. 



*t26. Oethetetjm sabiista. 



Libellula sabina, Drury, III. Ex. Ent. i. pi. A9<. fig. 4 (1773). 

 Hot "Wells, Trincomali, Sept. 11, 13, 1891. 

 Eambodde {Sagen). 



A very common and widely distributed species throughout the 

 tropics of the Old World. 



*t27. Oetheteum: oblitum. (PL XLII. fig. 3, $ .) 

 Libellula oblita, Ramb. Ins. Nevr. p. 123 (1842). 

 Hot Wells, Trincomali, Aug. 3, 1890. Velvery, Dec. 27, 

 1891. 



Also occurs in India and Australia. 



*t28. Oetheteum petjinosijm. 

 Libellula pruinosa, Burm. Handb. Ent. ii. p. 858 (1839). 

 Trincomali, Sept. 15, Oct. 8, Nov. 24, 1891. Kanthalai, 

 March 8, 1892. 



