266 MUSCID^E. 



' 24. leucostoma, Meig. Zw. vi. 121. 20 (1830); Hal. Olivacea, 

 facie villosa albicante, alls obscuris, vena transve?-sa a margine remote. 

 Long. -| ; alar. 1 \ lin. 



Olive-colour. Face whitish, hairy, flings dark ; transverse vein re- 

 mote from the border. 



Not uncommon on marine rejectamenta. (E. I.) 



25. sorbillans, Hal. A. N. H. iii. 409. 24 (1839). Olivacea, 

 facie pubescente alba, alls cinerascentibus indistincte hyalino -guttatis. 



Long. 1-^ ; alar. 2-| lin. 



Olive-colour. Face white, pubescent. Wings greyish, with jive indis- 

 tinct ftyaline dots. 



Not rare on the sea-coast. (I.) 



26. sestuans, Hal. E. M. I. 176 (1834). Cinerea, fronte tho- 

 racisque dorso ferruginosis, facie Jlavida, alis ferruginosis guttis quinque 

 albis anteriore majore quadrata, tarsis ferrugineis. Long. |- ; alar. 1|- 

 lin. 



Grey. Front and the back of the thorax somewhat ferruginous. Face 

 yellowish. Wings rather ferruginous, with Jive white dots, of which the 

 fore one is the largest and quadrate. 



Common on fuci. (E. I.) 



27. buccata, Desv. E. M. 801 (1830); Hal. stagnalis? Fal. ; 

 Meig. ; Mcq. ; Zett. Nigra, fronte thoraceque fuscis, facie Jlavicante, 

 alisfuliginosis hyalino- -d-guttatis. Long. -|; alar. 1^ lin. 



Black. Front and thorax brown. Face yellowish. Wings dusky, 

 with jive hyaline dots. 



The most abundant species. Eallen has probably confounded 

 with his E. stagnalis all the species with hyaline dots on the dark 

 ground of the wings. (E. S. I.) 



28. lutosa, Hal. E. M. I. 176 (1834). Fusco-cinerea, fronte tho- 

 raceque ferruginosis, facie Jlavicante, alis infum&tis hyalino-^-guttatis, 

 tarsis ferrugineis. Long. -|; alar. 1^ lin. 



Broicnish-grey. Front and thorax somewhat ferruginous. Face yel- 

 lowish. Wings smoky, with Jive hyaline dots. Tarsi ferruginous. 

 Found with E. buccata, and almost equally abundant. (E. I.) 



29. despecta, Hal. A. N. H. hi. 409. 28 (1839). Cinerea, facie 

 albida, thoracefusco lineolis albidis, alis cinerascentibus obsolete hyalino- 

 guttatis ; Mas, femoribus mediis subtus basi pectinatis. Long. 1 ; alar. 

 2 lin. 



Grey. Face whitish. Thorax brown, with whitish stripes. Wings 

 greyish, icith almost obsolete hyaline dots. Male. Intermediate femora 

 pectinated beneath at the base. 



On the sea-coast and in sandy places. Not common. (I.) 



30. noctula, Meig. Zw. vi. 119. 14 (1830); Mcq.; Hal.; Zett. 



