148 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXVII. 



meetin- " ab " well distal to its commencement, " ab " continued outwardly 

 in the same straight line as " Ou2", that is to say, the junction of the two- 

 is not angulated. Quadrilaterals diflerently shaped m the two wmgs, that- 

 of the forewing being more angulated and with the costal border only half 

 the length of the posterior, that of the hindwing with the costal border- 

 tNvo-thi?ds the length of the posterior. Female without a ventral spme to- 

 8th segment. 



Mortonagrion varralli, sp. nov. 



Fore-and hind- wings of Mortonagviori. varralli. 



Several of both sexes from Pmmi Lake near Bombay, lith March 1920. 



Male. Length of abdomen 23-25 mm., of hindwing 14-15 mm. 



Read, labrum and epistome pale blue, vertex pale reddish browQ, occiput. 

 a similar colour except for a small, oval spot of pale blue bordering the eye 

 inwardly. Eyes slatey blue with a reddish tinge above. 



Prothorax reddish brown, pale blue at the sides and narrowly anteriorly. 



Thorax pale reddish brown on the dorsum and upper part of sides. A 

 narrow, pale blue humeral stripe. The sides pale blue except for a diffuse- 

 pale brown stripe on the 2nd lateral sviture. Legs pale brown. 



Abdomen similar in colour to the thorax. Fine, apical, dark brown anntiles. 

 to all seo-ments. The ground colour deepens dorsally near the apex of each 

 segment, but there is a clearer annule between this deepening and the- 

 browDy black annules. These latter followed by fine, pale blue, basal annules- 

 which on the 8th segment lengthens to cover about two-thirds of the segment. 

 The apical border of this conspicuous blue marking deeply notched in the 

 mid-dorsal line. The sides of the 1st and 2nd segment pale blue. Beneath, 

 whitish. 



The dorsal, apical border of the 10th segment presenting a bifid tubercle 

 very similar to that of lachnura senegalensis. The anal appendages seen 

 from above show the superior divaricating, the inferior converging, superior 

 slightly shorter than the inferior, broad at the base, truncated and direct- 

 ed downwards to almost meet the inferior, the latter broad at the base,, 

 tapering strongly and curving inwards so that their tips almost meet,, 

 curving upwards. 



Female exactly similar to the male except for the blue marking on the- 

 8th segment which covers only one-third of it and has a diffuse unnotched 

 border. No spine on the ventrum of the 8th segment. 



Hab. In dark, shady jungles, keeping amongst undergrowth. Never 

 comes out in the sunlight. Breeding apparently in wells. Pawai and: 

 Vihar Lakes near Bombay. 



