MYRMICID.E. 41 



nsunlly inhabits tl;e walls, &c., of other ants' nests, makiug 

 its galleries in them. Forel says that although they live in 

 such close proximity to the owners of the walls they fight 

 ferociously when they meet ; their galleries are so fine that 

 they only just admit the insects, so that their larger hosts 

 cannot follow them. 



S. fugax, Latr. — (J pitchy brown, shining, legs, antennje 

 and mandibles pale, scape very short, not longer than 

 the first and second joints of the flagellum together, 

 first joint of the flagellum inflated and globular ; thorax 

 much raised above the head, somewhat as in Tetramorium, 

 very shining, without converging lines, propodeum simple, 

 nervures of wings pale, abdomen shining. 



? testaceous, shining, clothed with pale hairs ; antennae 

 with the apical joint of the two-jointed club very long, 

 almost aa long as the first eight joints of the flagellum, 

 eyes of ordinary size ; thorax shining, wings as iu the S, 

 abdomen shining, with the first joint of the petiole much 

 raised behind, hardly longer thaa high, second joint 

 rounded. 



9 pale testaceous or flavous, clothed with pale hairs ; head 

 nearly as broad as long, eyes exceedingly small, antennsB 

 as in the ? , but only ten-jointed ; thorax shining, pro- 

 podeum rounded posteriorly, without spines or ano-les ; 

 abdomen shining, petiole as in the ? . 



L. c? 4 mm., 9 6-6 mm., J 1^-2^ mm. 



Rare; Sandown, Isle of Wight; (IF. W. Fowler) ; South- 

 end and Deal; [F. Smith). 



(Monomorium Pha-aonis, Lim. — [Biplurhoplrum 

 dovteaticuin, iSmith.) This insect is now a common pest iu 

 many houses, although in no way indigenous. 



It belongs to the same division as Sulenopsis, the ^ 

 haviog no converging lines on the mesothorax and the 

 (J and 5 no propodeal spines or angles ; its elongate 

 ivrm and almost naked surface distinguish it from S.fu(j<ix, 

 as well as the short terminal joint of the antenna-, which is 



