2IO British Dragonflies. 



Odon. 90 (1890). ^-Eshna grandis, Lind. Opusc. Scient, 

 iv. 160, n. 3, t. 4, f. 3 (1823). ALscJiua cJirysopJitJialiints. 

 Charp. Hon Ent. y^^, tab. i., f. 3 (1825) ; Charp. Lib. 

 Eur. 116, tab. 25 (1840). ^Es/iiia nifescciis, Lind. Mon. 

 Lib. Eur. 27 (1825); Steph. Illustr. Brit. Ent. Mand. vi. 

 82 (1836) ; Evans Brit. Lib. 20, pi. x., f. i (1845). .-Eschna 

 rufescens, Selys Rev. Odon. 129 (1850); McLach. Cat. 

 Brit. Neur. 15 (1870). /Esc/iuia nifesccns, Hag. Ent. 

 Ann. 54 (1857). 



Mli ler's description. 



Lihcllula isocclcs alis albentibus : abdomine rufo-fusco, 

 basi dorsi triangulo flavo . . . Alae in mare albidae, 

 inferiores quidem ad basin incur\atam lutescentes, in 

 fcemina al?e oinnes subflavescentes. Linear thoracis 

 laterales obsoleto-flava,-. (F. F. Miiller, " Nova Acta 

 Leop.-Carol." iii., p. 125, n. 9(1767;. 



[Miiller places this insect under Lib. quadiifasciata, and questions 

 whether it and others are varieties or species. Its being found to 

 be a species gives priority to Aliiller's name, the spelling of which 

 needs altering to isosceh's.~\ 



Size. 



Length of Male 67mm. ; expanse of wings, 91mm. 



Length of Female, 70mm. ; expanse of wings 94mm. 



[From two specimens in Mr. McLachlan's cabinet.] 



Male Imago. 



Head, thorax, and abdomen of a bright sienna- 

 brown ; face of a )'ellowish tinge, upper li[j margined 

 with brown. Eyes green. Thorax with two oblitiue 

 yellow lines on each side ; no dorsal spots or lines in 

 front ; attachments of the wings not blue, but yellow. 

 Les[s black, with base of femora brown. M'iiios with a 



