460 Dr. J. Waterston on Ceratophylhts vagabimdus. 



Keferences. 



BoHEMAN, C. H. Spetsbergens Insekt fauna in Ofvers 

 Vetensk.-Akad. Forh., Bd. 22, Jahrg. 1865, p. 576, 

 t. 35, f. 1, la, Stockholm, 1866. 



Taschenberg, 0. Die Flolie, p. 70, Halle, 1880. 



Wahlgren, E. Aphanopterologisclie Notizen nebst Bes- 

 clireibung neuer Arten, in Arkiv. for Zoologi, Bd. 1, 

 p. 184, t. 7, f. 3. July 1903. 



Wahlgren, E. Uber Pulex vagahunda Bohem., in Entom. 

 Tidskr., Bd. 24, p. 219. July 1903. 



EoTHSCHiLD, N. C. A new British Flea : Ceratojjh/llus 

 insidaris spec, nov., Ent. Mo. Mag., 2nd Series, Vol. 

 XVII, p. 59, London, Feb. 1906. 



Waterston, J. On some Scottish Siphonaptera, Ann. 

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Waterston, J. On some Habits and Hosts of Bird 

 Ceratophylli taken in Scotland in 1909 : with de- 

 scription of a new species {C. rothschildi) and records 

 of various Siphonaptera, Proc. Roy. Phys. Soc. 

 Edin., Vol. XVIII, No. 2, p. 89, Edinburgh, Mar. 6, 

 1910. 



Dampf, a. In A. Koenig's " Avifauna Spitzbergensis," 

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Waterston, J. Some Records of Scottish Siphonaptera, 

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Jordan, K., and Rothschild, N. C. A Prehminary Cata- 

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Explanation of Plate. 



Plate XXXV. — Hawthorn stones, magnified, from truss below 

 roof of the Great Hall, Hampton Court. The six shown natural size 

 (bottom row) are those of the mid- longitudinal row (except the top 

 one) and the second from the top of the left row. Marks of teeth 

 discernible on a, b, and c. 



