260 Mr. E. E. Austen on 
(Capt. R. Crawshay). Janson’s figure of FT. struthionis is 
of no value for purposes of determination, but since the 
typical specimen is now in the British Museum I have been 
able to determine the material from Hast Africa with certainty. 
fTippobosca struthionis is a well-marked species, which cannot 
be confused with any other known to me: the yellow mark- 
ings on thorax and scutellum are sharply defined against a 
dark-brown ground. The Hast-African specimens show two 
small lateral yellow dots on the scutellum, one on each side 
of the median fleck ; these lateral spots are wanting in the 
type, but it is impossible to consider the Hast-African speci- 
mens as belonging to a distinct species, especially since the 
lateral spots vary greatly in size in different individuals. In 
one or two of our specimens they are extremely small, and 
thus their absence altogether is doubtless merely due to indi- 
vidual variation. 
flippobosca tasmanica, Wesché: Ann. & Mag. Nat. Hist. 
ser. 7, vol. xi. no. 64 (April 1903), p. 385, figs. 1-4 p. 384.— 
‘his species, of which, through the courtesy of Mr. Wesché, 
the type and two other specimens are now in the Museum 
collection, belongs to the genus Ortholfersia, Speiser (Zeitschr. 
f. syst. Hymenopt. u. Dipt., 11. Jahrg. Heft 3 (1 May, 1902), 
p. 152—typical species, Ortholfersia phaneroneura, Speiser, 
loc. cit., from New South Wales. Ortholfersia tasmanica 1s 
said to swarm on diseased wallabies (Macropus rujficollis) 
near Launceston, Tasmania. 
In the ‘ Agricultural Gazette of New South Wales’ for 
Dec. 1900, pp. 1090-1091, W. W. Froggatt describes, under 
the name of ‘‘ the wallaby fly (Olfersta Macleayi, Leach),” a 
fly which is said to infest all the wallabies in the district of 
Port Macquarie, New South Wales. It is stated that “in 
the Australian Museum there are specimens taken upon Hal- 
maturus | Macropus | ruficollis and H. Perryi.” ‘The fly is 
figured in a plate (figs. 3 & 4), and it is evident that it 
belongs to the genus Ornithomyia. The species was subse- 
quently described by Speiser (Termés. Fiz. xxv. (1902), 
p-. 331) under the name Ornithomyia perfuga. The existence 
ot Hippobosca struthionis, Jans., upon a bird is thus paralleled 
by the occurrence of an Ornithomyia upon mammals. 
Liporrena, Nitzsch. 
Lipoptena cervi, L.—The British Museum has just received 
a specimen of this species from Modderfontein Factory, 14 
miles south of Johannesburg, Transvaal. The insect (a male 
which has cast its wings) was taken, with others of the same 
