LIST OF COLOURED PLATES. 



I.— LeUCORRHINIA DIBFA 



Sympetrum striolatum 

 ]I. — Sympetrum fonscolombii 



Sympetrum flaveolum 

 III. — Sympetrum sanguineum 



Sympetrum scoticum 

 IV. — Libellula depressa. . 

 V. — Libellula quadrimaculata 

 VI. — Libellula fulva 



Orthetrum c.erulescexs 

 VII. — Orthetrum cancellatum 

 viii. — somatochlora metallica 

 Somatochlora arctica 

 ix. — cordulia .-enea 



Oxygastra curtisii.. 

 X. — GOMPHUS vulgatissimus 

 XL — Cordulegaster annulatus 

 XII. — Anax imperator 

 XIII. — Brachytron pratense 



XIV. — ^ESCHNA MIXTA 



XV. — ^SCHNA C.ERULEA 

 XVI. — ^SCHNA JUNCEA 



XVII. ^SCHNA CYANEA 



XVIII. — yESCHNA GRANDIS 



XIX. — ^SCHNA ISOSCELES . . 

 XX. — CaLOPTERYX VIRGO 



Calopteryx splendens 

 XXI. — Lestes dryas 



Lestes sponsa . . 



XXII. — PLATYCNEMIS PENiMPES 



Erythromma NAIAS . . 

 XXIII. — Pyrrhosoma nvmphula 

 Pyrrhosoma tenellum 

 xxiv. — ischnura pumilio 



IschnuRa elegans . . 

 XXV. — Agrion pulchellum.. 

 XXVI. — Agrion puella 

 XXVII. — Agrton mercuriale 



EXALLAGArA CYATHIGERU.M . . 



Note. — In everv case the Male is on the left hand., the Female 

 right. 



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