Odonata fro m Cey Ion. 275 



spot on tlie first and a long one on tlie second. Dcnticulation 

 ot femora rather finer than in the male. 



Wings of a slightly yellowish hjaline; front wings with 

 16 antenodal nervures on the right side, the last discon- 

 tinuous ; 15 continuous ones on the left side ; 11 postnodals 

 on the rigiit side in the upper space and 10 on the left ; 

 niembranule whitish, very narrow ; otherwise as in the male. 

 Hind wings with 11 antenodals and 10 or 11 postnodals; 

 otherwise as in the male. 



Hah. Kandy, Feb. 1901 {E. E. Green). Two specimens, 

 cJ and ? . 



Distinct from all the other species before mc by the com- 

 paratively short pterostigma. 



4. Zygonidia cenea^ Kiib., sp. n. 



S' — Long. Corp. 51 mm. ; exp. al. ant. 'i^l mm., lat. 



10 mm., long. pter. 4 mm.; lat. al. post. 12 mm., long, 

 pter. 3i mm. 



? . — Long. Corp. 57 mm. ; exp. al. ant. 110 mm., lat. 



11 mm., long. pter. 5 mm. ; lat. al. post. 15 mm., long, 

 pter. 4^ mm. 



Male. — Head purple above ; frontnl ocellus very con- 

 spicuous, yellow ; face black, with a slight greenish tinge ; 

 the gena?, the lower border of the frons^ and the rhinarium 

 yellowisii ; mentum broadly bordered with yellow at tlie 

 sides. 



Thorax brown above, dull yellowish on the sides, with 

 two broad bronzy-green bands in front above and two on the 

 pleura on each side. Abdomen bronzy black above, 3 interalary 

 spots on thorax, and narrow yellow lines on abdominal carinae, 

 as in Z. ceyhnica. Base of abdomen slightly inflated^ dull 

 yellow on the sides as far as the base of the fourth segment, 

 crossed by broad black lines at the end of each segment, and 

 a narrower one on the carina of the second segment. Legs 

 black, the femoral denticulation very fine. 



Wings of a slightly yellowisii hyaline, and very slightly 

 clouded at the tips; front wings with 16 antenodal cross- 

 nervures, the last discontinuous, the fifth on the right-hand 

 side V-shaped, and 9 or 10 postnodals; the ]50stnodals in the 

 upper space rarely corresponding with those in the lower; 

 cells beyond the pterostigma single ; nodal sector undulating, 

 arched strongly do^vnward at the extremity; a single row of 

 cells between the nodal and subnodal sectors, except irregu- 

 larly towards the margin ; two cross-nervures in tlie lower 



