334 BRITISH SPECIES OF THE 



marginal broad not extending quite to the tip of the wing: in- 

 terval of the cross nerves equal to the principal one. (Rather 

 less than No. 18.) 



The examples which I have before me are not in good order, 

 but the small eyes, the 2d joint of the antennae, which is very 

 bristly, and the wings satisfy me that the species is better 

 placed in this section than in A. Taken by Mr. Walker, near 

 London. 



CC. Areola marginalis perparva. 

 Sp. 21. L. nigerrima. Atra velutina alts albis. 



Borborus nigerrimus . . Ent. Mag. I. 178. 



Curt. B. E. 469. No. 29\ 



Limosina minima . . . Macq. S. a B. l\. 573. No. 9. 



Deep black, without gloss : pubescence of the arista abundant, 

 whitish : the feet short : middle shanks almost naked : poisers 

 black : wings white hyaline ; nerves colourless, the costal blackish, 

 not thickened : the 2d nerve scarcely reaches to the middle of the 

 rib, the 3d is arched and terminates before the tip of the wing ; 

 the marginal cell therefore is exceedingly small, the submarginal 

 wide and oblong ovate : the cross nerves are almost contiguous. 

 (Length not i, wings 1 line.) 



Occurs along with No. 6, but very rare : Mr. Walker has 

 taken it near London. 



BB. Oculi hispiduli. 

 Sp. 22. L. melania. Atra opaca alls hyalinis. 



Resembles the preceding very much : deep black, opaque : eyes 

 small, with minute erect hairs ; arista thickly pubescent : legs 

 piceous, middle shanks almost without bristles : poisers black : 

 wings hyaline : nerves darker, very delicate, the costal blackish ; 

 2d extending nearly half way between the 1st and 3d ; the latter 

 scarcely arched, nearer to the tip of the wing than in the last 

 species : interval of the cross nerves equal to the principal one. 

 (Length not J line.) 



Found with the last, but still more uncommon. 



Gen. V. — Heteroptera. 



Liraosinae characteres sed nervus ordinarius transversiis 



valde obliquatus. 

 Borborus A. d. . Meig. VL 206. 

 Heteroptera . . Macq. S. a B. IL 570. v. 



