LIBELl-UI.ID/E. ESHNA. 85 



abdomen green, the second segment with two dots behind ; wings slightly 

 yellowish. 



Not a common species : taken occasionally, in July, near London, 

 about Ripley, and at Godalming and Epping. 



Sp. 6. affinis. Tlmrace supra hrunneo, macuUs 2-l)Us luteis, laterihus liiteis 

 nigra lineaiis ; ahdomine fusco macnlis caruleis (mas) aut olivaceo, maculis 

 luteis (fcemina). (Long. corp. 2 unc. 6 lin. ; Exp. Alar. 3 unc. 2 lin.) 



^sh. affinis. Van. Linden, p. 24. — Steph. Nomen. 2d edit. Appendix. 



Head bluish, with a black patch on the crown resembling the letter T ; mouth 

 fuscous ; eyes blue ; thorax above brown, with two luteous spots in front, 

 the sides luteous, with three black lines, the middle one shortest ; abdomen 

 with the basal segment black, with its sides luteous, and a blue marginal 

 spot behind, second blue, with an irregular black spot on each side, seven 

 following blue in front, with a 4-anguiar black dorsal spot, gradually 

 broader and shorter on the hinder ones, black posteriorly, with four blue 

 dots, nearly united on the anterior segments, 9th and lOth black, the former 

 with four, and the latter with two, blue spots; anal appendages fuscous, 

 upper pair lanceolate ; legs black, anterior femora yellow beneath at the 

 base ; wings hyaline, stigma rusty. Female with the abdomen olive, the 

 basal segment with a luteous spot behind, 2nd with an oblong spot in the 

 middle, a transverse line, and two dots behind also luteous, five next each 

 with a horizontal and a transverse line black, and two yel'ow dots, three 

 last black, the 8th with four, 9th with two, and 10th with one luteous spot. 



Also a rather uncommon species, or at least apparently so : found 

 at Deptford, Godalming, near Southgate and Hertford, in July. 



Sp. 7. vernalis. Fusca, thorace lineis aut maculis 2-ahns luteis, abdomine maculis 

 numerosis, cceruleis (mas) aut luteis (fcemina), alis maris hyalinis,fcEmince 

 Jlavescentibvs, stigmate perlongo, lineari, luteo. (Long. corp. 2 unc. 1 lin.; 

 Exp. Alar. 2 unc. 9 — 10 lin.) 



.^sh. teretiuscula. Leach MSS.— Steph. Catal. 309. iVo. 3431.— ^sh. vernalis. 

 Fan. Linden. 21. 



Fuscous : head luteous, face whitish ; crown behind and two transverse 

 frontal lines black or fuscous; eyes blue, brown after death ; thorax very 

 pilose, sometimes reddish, with two dorsal spots, occasionally minute, and 

 on each side three oblique fasciae, the central one narrowest and interrupted ; 

 abdomen pilose, the basal segment with a blue spot in the middle, the 

 seven following with two short transverse blue streaks towards the base, 

 and two large blue spots on the hinder margin of each, and also with three 

 blue blotches on each side; the two last segments with two blue spots 

 above and two on each side; anal appendages elongate, the apex of the 

 upper pair three-sided, the hiner edge pilose, the lower pair truncate and 

 short ; legs black ; wings hyaline, stigma ferruginous; accessory membrane 



