HOUGH. 



[VOL. I. 



hoary stripes ; last abdominal segment of female brown with 

 hoary coating. Macquart described the female only ; the male 

 resembles the female in color (except that the last abdominal 



segment has much 

 less of a brown 



color) and has the 

 following structural 

 features which are 

 characteristi c : a 

 beard of long hairs on the 

 mesal border of the hind tarsi 

 and a fringe of short, fine hairs 

 on the anterior surface of the 

 middle tibiae not far from the 

 extensor border. 



My collection contains also 

 two species of Morellia from 

 Mexico and Jamaica. One is rather variable, the variations 

 corresponding to the descriptions of Musca violacea (Fig. 18) 

 Fabr., Pyrellia maculipennata Macq., P. spccialis Walk., P. sus- 



FIG. 15. 



FIG. 16. 



FIG. 17. 



picax Walk., P. basalts Walk., P. ccntralis Lw. (types com- 

 pared and found to agree), and P. iris Bigot. Fabricius's 

 name has priority. The male has on the anterior surface of 



