APPENDIX D 119 



6. OUDEMANS (1909), Neue Ansichten aber die Morphologic des 



Flohkopfes soirie i'iber die Ontogenie, Phylogenie und 

 Systematik der Floht. Novitates Zoologies, Vol. 16, 

 p. 133. 



Suggests a new classification based on the morphology 

 of the head, viz. (1) Integricipita ; (2) Fracticipita. By 

 the chief authority on fleas in the Netherlands. He has 

 also written numerous papers in Dutch. 



7. JORDAN and ROTHSCHILD (1908), Revision of the non-combed 



eyed Siphonaptera. Parasitology, Vol. I., p. 1. Plates. 

 Bibliography. 



An excellent piece of work, which includes an account 

 of the plague fleas. 



8. JORDAN and ROTHSCHILD (1906), A Recision of the Sarco- 



psyllidit 1 . Thompson Yates and Johnston Laboratories 

 Reports, Vol. vn., p. 13. Plates. Bibliography. 

 The best modern account of the chigoes. 



9. BAKER (1904), A revision of American Siphonaptera or 



Fleas together icith a complete list and bibliography 

 of the group. Proc. U.S. National Museum, Vol. xxvu., 

 p. 365. Plates. Bibliography of special papers only. 



The earlier references, beginning 1699, mostly from 

 Taschenberg. 



10. BAKER (1905), The Classification of the American Siphon- 



aptera. Proc. U.S. National Museum, Vol. xxix., p. 121. 



Gives an index of hosts and their fleas. Additional 

 bibliography. 



11. ROTHSCHILD (1898), Contributions to the knowledge of the 



Siphonaptera. Novitates Zoologies, Vol. 5, p. 533 ; (1900) 

 Further Contributions, etc., A 7 ol. 7, p. 539 ; (1903) Vol. 10, 

 p. 317 ; (1904) Vol. 11, p. 602 ; (1905) VoL 12, pp. 133 and 



