IN THE LEYDEN MUSEUM. 203 
Sectio Dolichothoraca Oudemans 1909. 
Familia Neopsyllidae Oudemans 1909. 
Subfamilia Neopsyllinae Oudemans 1909. 
Gen. Spalacopsylla Oudemans 1906. 
12. Spalacopsylla bisseptemdentatus (Kolenati). — On Mus 
decumanus L., Dr. Everts. 
13. Spalacopsylla bisoctodentatus (Kolenati). — On Talpa 
europaea L., Dr. Everts; Sassenheim, C. Ritsema; Warmond, 
C. Ritsema; Würzburg, Prof. Dr. Hugo de Vries. — On Micro- 
tus arvalis (Pallas), Oosterbeek, Dr. M. W. Beyerinck. 
14. Spalacopsylla caucasica (Taschenberg). — On Spalax 
typhlus Pallas, Kirgizian Steppe, Dr. O. Taschenberg. 
15. Spalacopsylla agyrtes (Heller). — On Mus decumanus L., 
Sneek, September, Dr. Oudemans. 
Subfamilia Lystropsyllinae Oudemans 1909. 
No representatives. 
Subfamilia Spilopsyllinae Oudemans 1909. 
Gen. Spilopsyllus Baker 1905, 
16. Spilopsyllus cuniculi (Dale). — On Lepus europaeus Pal- 
las, Enschede, Dr. van Rossum; Utrecht, de Kruyff. — On 
Vulpes vulpes (L.), Gelderland, H. ter Meer. 
Familia Dolichopsyllidae Oudemans 1909. 
Gen. Pygiopsylla Rothschild 1906. 
17. Pygiopsylla robinsoni (Rothschild). — In a nest of Sciu- 
rus notatus Boddaert, Batavia, Aug. 1908, Edw. Jacobson. 
Gen. Ceratophyllus Curtis 1829. 
18. Ceratophyllus fasciatus (Bose d’ Antic). — On Mus mus- 
culus L., the Hague, Dr. Everts. — On Mus rattus L., Leiden, 
September, C. Ritsema. — On Mus sylvaticus L., Rhoon, 
M. M. Schepman. — On Arvicanthis barbarus (L.), Northern 
Africa, Dr. Gestro. — On Meriones shawi (Rozet), Genua, 
Dr. Gestro. — In the forest of Driebergen, Six. — On Puto- 
rius putorius (L.), the Hague, June, Dr. Oudemans. 
Notes from the Leyden Museum, Vol. XXXI. 
