1914.] 89 



minor, P. kohauti ; Leptopsylla spectabilis ; Ischnopsyllus octactenus. 

 Some changes in nomenclature are to be noted since 1909. In the 

 1911 Edition (November) of Mr. Rothschild's "British Siphonaptera" 

 Dampf's genus, Archseopsylla, (1908), is employed for Ctenocephalus 

 erinacei, Wagner's sub-division of Ctenophthahmis (1902) is adopted, 

 and Leptopsylla, Eothsch. (1911) replaces Ctenopsyllus, Kolen. 



Since 1911 Gtenophthalmus has been further sub-divided by the 

 erection of Doratopsylla, Rothsch (1912) for A. dasycnemus, while the 

 genus Bhadinopsylla, Rothsch. (1912), differentiated for the reception 

 of an Algerian flea, includes two British forms, Gt. pentacantlms and 

 Gt. isacanthus. 



A " List of British Fleas," embodying the above changes and 

 revised up to March, 1913, will be found in Mr. H. Russell's useful 

 manual, " The Flea," recently published by the Cambridge University 

 Press. 



Geratopliyllus rusticus, Wagn., with six months priority displaces 

 G. dalei, Rothsch., while, as Mr. Rothschild has pointed out (Ent. Mo. 

 Mag., p. 67, 1912), his G. msularis (1906) proves to be identical with 

 0. vagabundiis, Boh. (1865). 



Of the genus Palseopsylla, Wagn. (1902) — for a critical under- 

 standing of which we are indebted to the exquisite researches (1910) 

 of Dr. Alfons Dampf— three species, P. sorecis, Dale (1878) ; P. minor, 

 Dale (1878), and P. kohauti, Dampf (1910), are now listed as British. 

 Until the publication of Dampf's results, P. sorecis and P. minor wei*e 

 treated in English writings as one species under the name " gracilis, 

 Taschb." It is uncertain, therefore, to what species any " gracilis " 

 material hitherto recorded from Scotland is really referable. The pre- 

 sumption is that such examples belong to P. minor where the host was 

 Talpa europxa, and to P. sorecis when taken from Sorex or Crossopus, 

 but in any case re- examination is indispensable before such records 

 can be relied upon. Out of the six species constituting the genus 

 Palseopsylla, no fewer than four are attached to Talpa europasa. It is 

 evident, therefore, that even if P. similis, Dampf (1910), and P. 

 atlantica, Rothsch. (1912), should ultimately prove to be non-British 

 forms, all Palseopsylla material from moles requires critical investigation. 



In 1906 I recorded two fleas from Sorex araneus as Ct. sorecis, 

 Dale, on Mr. Rothschild's identification — a record which still holds 

 good. 



