94 
The Non-Combed Eyed, Siphonaptera 
Thorax. Mesonotura with a row of thin subapical spines. 
Abdomen. One row of bristles on the tergites, there being an 
anterior additional row on the first tergite. Seventh tergite without 
antepygidial bristles in both sexes. Sensory plate not convex in side- 
view. $ without stylet. 
Legs. Internal rod of midcoxa forking about centre. Hindcoxa 
without comb of short spines on the inside. Bristles of tibiae and 
tarsi stout. First midtarsal segment shorter than the second. Fifth 
tarsal segment long, with 6 (rarely 5) lateral bristles, besides the 
subapical hair. Claw long and slender, non-dentate, with the basal 
projection vestigial. 
Modified segments. Of a similar type as in Rhopalopsylhts and 
Parapsyllus. The bristles on the anal segment of the $ very 
numerous. 
Only one species is known of this Australian genus. 
(1) Lyeopsylla novus Rothsch. (1904). 
Lycopsylla novus Rothschild (1904 a, p. 602, n. 1, t. 7, figs. 1—4); Baker (1905 a, 
p. 139). 
We have both sexes from Hampden, New South Wales, off Phas- 
colomys mitchelli, collected December 17, 1899, by Dr J. P. Hill. 
BIBLIOGRAPHY. 
Adams (1743-46), Micrographia illustrata. 
Advisory Committee (1906), Reports on Plague Investigations in India. Journ. of 
Hygiene , vi. 4.-(1907), ibid., vu. 3. 
Agassiz and Gould (1855), AUgemeine Zoologie, i. 
Albin (1736), Natural History of Spiders, and other curious Insects. 
Amoreux (1789), Notice des insectes de la France. 
Anonymous (1895), Concerning Pleas. Journ. of the Bombay Nat. Hist. Soc., x., 
reprinted from the British Medical Journal (January, 1895). 
Anderson (1856), Lake N’Garni. 
Baker, H. (1753), Employment for the Microscope. 
Baker, C. (1895), Preliminary Studies in Siphonaptera. Canad. Entomol., xxvn.- 
(1899), On one new and two previously known fleas. Entomol. News, x.- 
(1904), A Revision of American Siphonaptera. Proc. U.S. Nat. Mus., xxvii.- 
(1905 a), The Classification of the American Siphonaptera. Ibid., xxix.- 
(1005 b), Fleas and Disease. Soc. Entomologica, xx. 
Balfour (1906), A Haemogregarine of Mammals. Second Report of the Wellcome 
Research Laboratories at Khartoum. 
