313 



LATKI:II,U: ///Jrf. not. d. Crust,, et dot Ins. Tom. xiv. 1*1.97, f. n, :m<l nUi-r 

 larger Hjx-ci.-H on foreign \^\*. Arrnnlin^ to LON DUFOUB there are only 

 two simple eyes, Ann. dca Re. not. Tom. xxn. p. 374; in foreign species 

 two simple eyes occur on each Bide. NlTZSOH has observed that these 

 inserts are true pupipane, like Ilippobosca (ScHWEiaGEB's Jahrbuch der 

 (.'lirini,- >i.. Physik, Bd. xvi. 1876, 4. s. 436). Comp. on this genus J. O. 

 WESTWOOD, Transact, of Zooloy. Soc. I. 1835, 4to, pp. 275 794. PI. 36. 



All the Hpcrii'H of this ^enus live on ImtS. 



II. HippoboscidcB (Coriacea LATR.) Head received in 

 the (DIM r-inate thorax. Wings divaricate or incumbent, in some 

 vi i v small or none. Last joint of tarsus the longest of all. 



Braula NiTZSCH. Eyes and ocelli none. Wings none. 



Sp. Braula cceca NITZSCH, GEBMAB Mayaz. der Entom. in. pp. 314, 315; 

 AHBENS, Faun. Ins. Europ. Fasc. vi. Tab. 75 ; BAUM. Mtm. v. PI. 38, 

 figs, i 4 ; this small insect lives parasitically on bees ; the metamorphosis 

 is unknown. Is this its place ? 



M<',/f>j,/i'ila NITZSCH, Mdophayus LATR. Eyes small, ocelli none. 



YV i 1 1 ii-s JIM 1 poisers none. 



Sp. Md.njiJii.lii, ovina, Hippobosca ovma L., FBISCH, Beschreib. vonallerl. Ing. 

 v. H. 40. 4. Tab. 18; PANZEB, Deuttchl. Int. Heft 51, 14; GUBLT, Mayaz. 

 f. d,. t/rmmmt. Thierheilk. 1843, IX - Tab. i, fig. 15. The sheep-louse is a 

 wingless fly ; RAMDOHB has given a description and figure of its digestive 

 organs ; and LYONNET in his posthumous works a careful and elaborate pic- 

 ture of its structure, especially as concerns the external parts ; Recherche* 

 gur I'Anatomie et let me'tamorph. &c. pp. i 77, PL i 3. There are two 

 small oblong eyes each consisting of a hundred round fagettes remote 

 from each other, (groups of simple eyes ?) 



Sub-genus Lipoptena NITZSCH., (Spec, of Melophagm LATR., 

 MEIG.) differs from the preceding by very short rudiments of wings, 

 by distinct poisers, by moderate eyes. 



Sp. Pediculus cervi L., FABB., PANZEB, Deutschl. Ins. Heft 51, Tab. 15. 



Omithomyia LATR., NITZSCH. (Spec, of Hippobosca L., and 

 Eyes distinct; ocelli usually three in vertex. Wings 

 distinct. Tarsi with tridentate claws. 



Snl)-genera: Anapera MEIG. (Oxypterum LEACH.) Eyes none, 

 short, acuminate. 



Stenopteryx LEACH, MEIG. With three ocelli, wings very narrow, 

 longer than the abdomen. 



Omithomyia LEACH, MEIG. With three ocelli, wings incumbent, 



