IN THE LEYDEN MUSEUM. 205 
Sectio Brachythoraca Oudemans 1909. 
Familia Hectopsyllidae Baker 1904. 
Gen. Hectopsylla von Frauenfeld 1860. 
29. Hectopsylla psittaci von Frauenfeld. — On LKctopistes 
migratoria (L.), the Hague, 1894 and 1900, W. J. M. de 
Bas. — On Lophortyx californicus (Shaw & Nodder), Leyden 
Museum, 23 January 1906, Dr. B. D. van Oort. 
Gen. Dermatophilus Guérin-Meneville 1838. 
30. Dermatophilus penetrans (L.). — Isle of St.-Martin, 
Rygersma. 
Superfamilia Breviclavata Oudemans 1909. 
Sectio Solitothoracica Oudemans 1908. 
Familia Archaeopsyllidae Oudemans 1909. 
Gen. Ctenocephalus Kolenati 1857. 
31. Ctenocephalus canis (Curtis). — On Canis familiaris L., 
Arnhem, Sept. 1883, Dr. Oudemans. — On Vulpes vulpes (L.), 
Amsterdam, Zoological gardens, Swierstra. — On Vulpes 
corsac (L.), Amsterdam, Zoological gardens, Jan. 1889. — 
Leiden and Rotterdam, Snellen van Vollenhoven; Serdang 
(Sumatra), Schagen van Leeuwen; in a grot, being a home 
of the Poenan-tribe, Liang Gagang, Borneo, March 1894, 
Dutch Borneo-Expedition. — On Homo sapiens L., M. L. 
Ritsema. 
32. Ctenocephalus felis (Bouché). — On Felis domestica Bris- 
son, Paris, 1857, Bourgogne. — On Canis familiaris i. 
Utrecht, July, Dr. Oudemans. — On Vulpes vulpes (L.), Italia, 
Nov. 1889, Dr. R. Gestro. — On Putorius putorius (L.), Pa- 
tria, Dr. Everts. — On Homo sapiens L., Kediri, Java, Mr. M. C. 
Piepers; Soekadana: Lampongs (Sumatra), J. C. van Hasselt. 
— Rotterdam, van Bemmelen; Batavia, Mr. M. C. Piepers; 
Batavia, March 1908, Edw. Jacobson; Bohol (Philippine 
Islands), October, Dr. Semper; Curacao, Father A. Jansen. 
Gen. Archaeopsylla Dampf 1908. 
33. Archaeopsylla erinacei (Bouché). — On Erinaceus euro- 
Notes from the Leyden Museum, Vol. XX XI, 
