298 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxin. 



species known arc remarkal>l(> by the small size of the superiois and 

 the large widely divaricate inferior, which is one and one-l;alf to 

 twice as lonjj; as the superiors. (See lig-. 2.S.) 



Genus ANISOGOMPHUS De Selys. 



Five or six species hav(> been referred at difl'erent times to this 

 genus. The type of the genus and anothcM* sj^ecies are oriental, the 

 two occiUTing in India. A. occij)ifalis ])e ScMys and hiviffafus De 

 Selys aiv al)oiit (»f the sanic size; ocripifdlis has the abdonuMi, male 



Fig. 25.— WING.S OF FEMALE AXISOGOMPUUS OCCIPITALIS. DE SELYS' COLLECTION. 



33-35 mm., female 35-37 mm.; hind wing, male 29-31 mm., female 

 32-35 mm.; hivittatus has the abdomen, female 38 mm.; hind wdng, 

 male 29 mm., female 36 mm. (De Selys was not certain that the male 

 on which the description of that sex of hivatfatus was based, really 

 was hivittatus, and he tentatively proposed the name Infrenatus for 

 this specimen. Syn. Gomph. and Mon. Gomph.). In occipitaHs the 

 nasus is black, with median and lateral yellow spots; in hivittatus 

 it is largely yellow. (See figs. 24 and 25.) 



Genus ANORMOGOMPHUS De Selys. 



The single species referred to this genus is kiioA\m only from India. 

 A. lietcroptcrus De Selys is a small species, abdomen 25 mm., hind 

 wing 22 mm., with largely 3-pllow coloration. (See fig. 26.) 



Genus B URMAGOM PHUS, new genus. 



Type of tlie genus. — Goinplius vermiculafus ^Martin." 

 For details of venation see key to genera on pages 272-275. In the 

 front mng 2 cross veins between M^-g and M^ and in the hind W'ing 1, 



a I have studied specimens from Bm'ma only. These have been identified as 



Gomphus vermiculatus and from tlieiu the characters of the genus have been drawn. 



