HeUrogiina and Fossorial Hymcnoptcra. 217 



clothed with short hairs, basal joint of the flagellum 

 as long as tlie next three together ; metathorax with 

 two rather short, triangular spines, second node of 

 the petiole beneath produced in front into a strong spine ; 

 abdomen more or less brown across the middle ; wings 

 of ? as in 5" , but clearer. Length, ? 5 mill., '^ 3 — 4 mill. 



Hah. — Nests of Formica rii/a. Weybridge, Guild- 

 ford, &c. 



ASEMORHOPTRUM, Mai/T. 



Europ. Form. (Nachtrag.), after p. 75. 



This genus is very closely allied in general appearance 

 to the following, but the ^ may be known at once 

 by its 13-jointed antennae ; the ? and ^ by their small 

 eyes and 8- to 9-toothed mandibles. 



1. lipptila, Nyl. Add. Alt. Form. Bor. p. 41. Fig. 

 Smith, Brit. Foss. Hym. pi. i. fig. 18. 



3- brown, the antemicie and legs paler, sparsely 

 clothed with long fine pale hairs ; head finely and longi- 

 tudinally rugose ; scape of the antennas as long as the 

 first three joints of the flagellum ; wings ciliated, some- 

 what opaque, nervures very pale ; metathorax nearly 

 smooth, with a tooth on each side at the apex ; abdomen 

 smooth and shining ; first joint of the petiole very long ; 

 apex of the abdomen densely covered with somewhat 

 curled whitish hairs. Length 4 mill. 



? and ^ reddish brown, mandibles, antennae, and 

 legs rather paler ; head rather elongate and narrow, 

 finely reticulated ; thorax irregularly, longitudinally 

 rugose ; metathorax with two short spines ; first joint of 

 the petiole elongate, with a rather small apical node, 

 second node of the petiole nearly round , a little longer 

 than wide, first segment of abdomen bej^ond the petiole, 

 very long, at least three times as long as the remainder. 

 Length, ? 5 — G mill., ^ 3 mill. 



Hah. — Bare. Plymouth, London district, Chobham, 

 Tunbridge Wells, Norwich, &c. 



Tetramorium, Mayy. 



Form. Austr. p. 151. 



Differs from Myrmica, &c., as shown in the table of 

 genera. 



