280 Mr. Kenneth J. Morton on 



Cordulegaster charpentieri, Kol. 



(^. Frons yellow with fine black transverse line. Nasus yellow 

 marked with black in front; rhinarium black. Labrum distinctly 

 and completely surrounded with black margin; virgule black and 

 distinct. Occiput above with black margins and blackish in the 

 middle dividing the disc into two dusky yello^dsh patches ; behind 

 yellow, divided for a great part of its length by a dark line ; hairs 

 blackish. Wiite line behind the ej'es broader than in C. annnlatns. 



Thorax : humeral spot distinct ; intermediate lateral band divided 

 into two — a long spot of nearly equal breadth and a smaller triangular 

 spot above the stigma. 



Abdomen : lower part of distal half of 1st segment yellow ; yellow 

 dorsal band of segment 2 occupying about \ of segment, almost in- 

 terrupted on side, the yellow again extending to the proximal margin 

 and including the oreillette ; black dorsal marking trilobate, middle 

 lobe prominent ; lunules distinct, not connected with lower lateral 

 yellow markings. Yellow on segment 3 extending to fully one-third 

 on dorsum ; on 4 to about \; on 5, 6, 7 and 8 to about \ ; most of 

 the median bands divided by the dorsal arete but otherwise nearly 

 complete and continued to the ventral suture. Lunules apparently 

 not indicated after 6th segment. 



Appendages similar to those of C. annnlatus but rather longer; 

 narrower when viewed from above, divergent, turning slightly out- 

 wards towards the apex which is acute. Distal margin of inferior 

 appendage nearly straight. (Compare Mon. Gomph., pi. 17, figs. 4 

 and 5, from Tuscany and Dalmatia.) 



Antenodals : fore\vings 19-21 ; hindwings 12-14. 



Length of abdomen . 57-58*5 mm. 



„ wings 46^8 ,, 



Pterostigma, forewings . 3'75-4 



,, hindwings . . . 4'25-4"5 ,, 



I am indebted to Monsieur Bartenef for a (^ from 

 Lagodechi in Kaketia, the locahty whence came de Selys' 

 examples described in Odonates de I'Asie Mineure. Two 

 examples from Belgrade Forest, Constantinople, differ 

 slightly therefrom and iyiter se. In one the transverse 

 frontal line is heavy, in the other it is absent ; the dorsal 

 yellow band of segment 2 is if anything broader, but the 

 other bands are rather less extended above than in the 

 Lagodechi ^i the lunules are distinct up to segment 7. 



I am not at all sure that this is the true C. charpentieri of 

 Kolenati, although 1 think it is certainly in the main the 



