170 Mr. Bridgman's additions to Mr. Marshall's 



thorax evenly punctured almost all over the disc ; meta- 

 thorax with three areae ; head, thorax, and abdomen 

 with fine scattered white pubescence ; the middle of the 

 2nd and 3rd abdominal segments free from the pube- 

 scence ; middle of the abdomen entirely free from punc- 

 tures, very smooth and shining ; 2nd segment longer 

 than wide ; the 3rd subquadrate. Legs stout. Wings 

 without areolet ; transverse anal nervure divided below 

 the centre. 



Black ; mouth, antennas beneath and base of flagellum, 

 tibiae, tarsi, apex of front femora, and extreme apex of 

 intermediate and hind femora, brownish red ; base of 

 wings and tegulae the same colour, stigma and nervures 

 black. Length, 5 mm. 



This Exochus would come between h. and hh. of 

 Holmgren's division B. aa. f., and differs from them in 

 the red tibiae. 



One female taken the beginning of August, 1882, in 

 the neighbourhood of Norwich. 



Exochus pictus, Holm. 



Holm., Mon. Try. Suec, 312, 9, $ , ? ; Holm., Dip. 

 Meth. Exoch. Scand., 66, 6, $ , ? . 



A female of this species has been received from Mr. 

 Cameron taken at Thornhill. 



Bassus tibialis, n. s. 



Niger, pedibus runs, tibiis posticis basi albo ; scutelli 

 lateribus albo, areola nulla. 



Shining ; a distinct rounded projection below the an- 

 tennae ; apex of clypeus truncate, the middle slightly 

 raised, with a circular depression on each side ; a distinct 

 fovea above each antenna, with a groove between them ; 

 antennae filiform and hairy, reaching to about the apex 

 of the 1st segment ; 1st joint of flagellum one-third 

 longer than the 2nd, from this gradually tapering to the 

 apical joint, which is conical ; the 2nd one-third longer 

 than wide ; supero-medial area of metathorax sub- 

 quadrate ; back part of metathorax somewhat coarsely 

 rugose, upper part distinctly so ; 1st segment of abdo- 

 men about one-fourth longer than wide, sides almost 

 parallel, slightly bowed, coarsely longitudinally rugose, 

 canaliculated ; base of 2nd segment the same sculpture, 



