British Hymenoptera. 257 



fulvous towards the vertex ; clyj^eus strongly punctured ; 

 anterior margin raised and shining, with the angles pro- 

 duced and more prominent than in the preceding species. 

 Thorax clothed with bright brown hairs above, and white 

 hairs beneath and at the sides of the metathorax. Abdo- 

 men nearly dull, its surface very finely rugulose ; basal 

 segment and base of the 2nd with a few long pale hairs ; 

 following segments almost naked, with a few short pale 

 hairs at the base and sides ; apical fimbria brown ; 

 segments beneath fringed with very pale fulvous hairs. 

 Legs with the femora clothed with white hairs, floccus 

 white ; tibise of anterior and intermediate pairs with 

 short brown hairs, scopse pale fulvous ; tarsi piceous, 

 clothed with brown hairs. Length 9 — 11 mm. 



Hah. Not common. Chobham (June) ; Charlwood, 

 near Reigate ; Wakefield, Yorkshire (June) ; Bristol, and 

 Scotland. 



Division IV. 



(2) 1. (J ; abdomen testaceous at the base ; tibite tes- 

 taceous. 2 '■> tibije clear testaceous . . . . ferox. 



(1) 2. (J ; abdomen not testaceous at the base ; tibiae 



pale only at the apex. J ; tibi^ dark . . bucephala. 



25. Anclrena ferox, Smith. 



Smith, Zool. v., p. 1670 ; Cat. Brit. Hym., 2nd ed., 

 p. 32. 



Black ; head very large in the 3" ; mandibles acutely 

 spined at the base ; base of abdomen more or less 

 testaceous ; ? with the apical fimbria fulvous-brown ; 

 posterior tibiae clear testaceous ; scopae bright golden 

 yellow. Wings slightly dusky, nervures pale. 



c? . Head and thorax clothed with pale yellowish 

 hairs, disk of latter nearly naked. Head very large ; 

 antennae reaching to the metathorax ; mandibles angulated 

 outwardly at the base and spinose in some specimens {fide 

 Smith). Abdomen very shining; apex of the 1st and 

 2nd segments, and sometimes the base of the 2nd and 

 3rd, widely testaceous ; apex with pale golden hairs. 

 Legs clothed with golden hairs, with the posterior tibiae, 

 and the apices of the others and all the tarsi, pale 

 testaceous. 



? . Black. Head and thorax clothed with brown 

 hairs ; mandibles very wide at the base, their lower 



TRANS. ENT. SOC. 1882. — PART II. (jULY.) 2 L 



