30 PROCEEDINGS MANCHESTER INSTITUTE 



tute will enable the members of the Entomological Section to 

 bear in mind what vacancies it is desirable to fill during the com- 

 ing summer, in order that the Odonata of our immediate vicinity 

 may be fully represented. 



I. Family Aescliiiiclye. 



I. Sub-Family Gompliinae. 



1. Hageiiius Selys. 

 Calvert, p. 225 ; Hagen, Syn.' Neur. N. A. p. 114. 



1. Hagenivis brevistylus Selys. 



Calvert, p. 241. 



The Institute possesses one specimen of this magnificent' repre- 

 sentative of the Gomphine type ; a male, length 75 millimetres, 

 and wing expanse 100 millimetres. 



2. Oomi)lius Leach. 

 Calvert, p. 222 ; Hagen, Syn. Neur. N. A. p. 98. 



2. Gompliiis exilis Selys. 



Calvert, p. 243 ; Hagen, Syn. Neur. N. A. p. 108. 



The most common Gomphine about Manchester. Easily recog- 

 nized by its prevailing brown and green, especially by its nearly 

 straight, blackish-brown abdomen, niarked with basal, dorsal green 

 spot or band on segments i-io. Length, 40-42 ; alar expanse, 

 50-52. Male and female in collection. 



3. Gomplivis vastus Walsh. 



Calvert, p. 245. 



This Gomphus, easily recognized by the dilation of abdominal 

 segments 7-9, is a beautiful species, strongly marked with green- 



