158 ANNALS OF SCOTTISH NATURAL HISTORY 



head and the tenth segment marked above with small dark 

 spots. They pupate on the earth in dark places, at the base 

 of walls or under leaves, becoming pupae from half a day to 

 two days after leaving the throat of the deer. The pupal 

 stage lasts from twenty-one to forty days, in colder weather 

 much longer. 



The males of this and allied Bot-Flies seem to be very 

 rare, being generally found near the summits of mountains. 



SYNONYMY AND BIBLIOGRAPHY. 



OESTRUS CERVI, Schrank, "Fauna Boica," iii. 2290 (1803). Larva 

 only. 



OESTRUS RUFIBARBIS, Meigen, "System. Beschr.," iv. p. 172, No. 

 7 and taf. 38, fig. 17 (1824). 



CESTRUS AURIBARBIS, Meigen, t.c. p. 171, No. 6. Variety. 



CEPHENEMYIA AURIBARBIS, Macquart, " Hist. Nat. Ins. Dipt.," 

 torn. ii. p. 50 (1835). 



CESTRUS TROMPE, Ratzeburg, "Die Forst-Insekten," iii. 10, fig. 

 13 (1844); Kellner, " Ent. Zeit. v. Stettin" (1847 and 1853). 



CEPHENEMYIA RUFIBARBIS, Brauer, " Verb, der zool.-bot. Gesellsch. 

 Wien," viii. pp. 394, 401, 410, taf. x. figs, i and la, b, c, J, 

 taf. xi. figs. 3 and 3#, b, c (1858). 



CEPHENOMYIA RUFIBARBIS, Schiner, " Fauna Austriaca," Diptera, I. 

 Theil, p. 394 (1862); Brauer, "Monographic der OEstriden," 

 pp. 193-198 and taf. iii. figs. 9 and ga, b, c, taf. vi. fig. 6, taf. 

 ix. figs. 2, 3 (?), 4, 5, 6 (1863); Brauer, "Verb, der zool.-bot. 

 Gesellsch. Wien," xlii. pp. 79-84 (1892). Note on larva. 



A LIST OF PERTHSHIRE DIPTERA 

 COLLECTED IN 1894. 



By PERCY H. GRIMSHAW, F.E.S. 



A FEW months ago Mr. T. M. M'Gregor, of Perth, sub- 

 mitted to me for examination and identification a number 

 of flies collected by him in the county during the spring 

 and summer of 1894. The following list is a partial result 

 of my investigations, and though it contains nothing striking 

 in the way of rarities or novelties, yet, as there does not 



