42 James Waterston, Oii some Mallophaga. 



A conspicuous feature of Dr. Dampf's $$ and of a series of tlie 

 same insect in the writers collection is the row of short spines at 

 the posterior margin on each side of the abdominal tergites. Such 

 spines characterise a group of Passerine Menopon whose determination 

 should only be attempted as a whole. 



Gen. Ancistrona Westwood (1874). 



Aiicistrona gigas Piaget (1885). 



A. gigas Piaget, Les Pediculines (Supplement), p. 117, tab. 12, fig. 8 

 (1885). 



2 5$. Fulmarus glacialis. 



Gjanoyri, Strömö, 11./8. 1912. K. Scheeibek leg. 



This species runs with great rapidity, Ancistrona seems to be 

 specially attached to te genus ProceUaria — sensu lato. Whether 

 it is more than monotypic is doubtful. 



