2/8 Bi'itish Dragonflics. 



species distincta sit. Intermedia videtur inter ^gi'- 

 platypodaiii et Agr. piicllam. (" Opuscoli Scientifici," 

 torn, iv., p. 103, 1823;. ... In 1825, he sa)-s : — vii. 

 Agn'oJi pulchclla. A. Capite et thorace supra nigris, 

 macula post oculum utrumque, strigaque utrinque thoracis, 

 cneruleis aut violaceis : abdomine fusco-aeneo, segmentis 

 phn-imis basi caeruleis. . . . Mas. Caput supra nigrum, 

 rnacula post oculum utrumque, et lineola intermedia, 

 ca;ruleis: antice casruleum, strigis duabus transversis nigris. 

 Oculi fusci subtiis ca^rulei. Thorax supra niger, striga 

 utrinque longitudinali ca^rulea, aliquando interrupta : subtus 

 lateribusque casruleus. Abdominis primum segmentum 

 cairuleum ; 2, ca;ruleum macula bifida nigra ; 3, 4, 5,6, 

 nigro-a^nea, macula baseos ca^rulea ; 7, nigro-^eneum ; 



8, cairuleum ; 9, caeruleum postice nigrum ; 10, nigrum. 

 Pedes nigri, femoribus extias, tibiis inti^is, ca^ruleis. Al;e 

 albae, macula marginali obscura, puncto nigro. Fcuiina. 

 Caput, thorax, pedes, aLx- ut maris. Abdominis segmenta, 

 3, 4, 5, 6, 7, 8, nigro-32nea macula baseos ca;rulea ; 



9, 10, nigro. Variat etiam abdominis segmentis, 3,4, 5, 6, 7, 

 nigris immaculatis : 8, macula baseos virescente. Long 

 14 lin. Ext. alar. M. 16 lin. F. 19 lin. (" Monographiai 

 Libellulinarum Europa^arum Specimen," p. 38, 1825). 



' Size. 



Length of Male, 32mm. to 36'5mm. ; expanse of wings, 

 36mm. to 41mm. Length of Female, 34mm. to 36mm. ; 

 expanse of wings, 44mm. to 50mm. 



Male Imago. 



Face bluish ; black line at base of labrum and on 

 .suture between nasus and frons. Eyes bluish. Top of 



