366 D. J. SCOURFIELD ON MICROSCOPIC AQUATIC ORGANISMS. 



Jennings, H. S. " A Monograph of the Rattulidae," U. S. Fish 

 Commission Bulletin iov 1902, 1903, pp. 273-352. (Contains, 

 pp. 293-8, an account of the spiral method of progression 

 among certain Rotifers.) 



Lauterborn, R. Untersuchungen iiber Ban, Kemteilung unci 

 Bewegung der Diatomeen, Leipzig, 1896. (A summary of 

 the section dealing with the movements of Diatoms by 

 F. R. Rowley appeared in Natural Science, December, 1898, 

 pp. 406-16.) 



Parker, G. H. " The Reactions of Copepods to Various Stimuli," 

 U. S. Fish Commission Bulletin for 1901, 1902, pp. 103-23. 

 (Records many observations on the movements of certain 

 Copepods, pp. 105-8.) 



Rhumbler, L. Zellenmechanik und Zellenleben, Leipzig, 1904. 

 (A useful summary of the present state of knowledge with 

 regard to the " mechanics " of cell movement, etc. ; also 

 contains references to numerous special papers on the same 

 subject.) 



Scourfield, D. J. " The Swimming Peculiarities of Daphnia 

 and its Allies, with an Account of a New Method of 

 Examining Living Entomostraca and Similar Organisms," 

 Journal Quekett Microscopical Club, Ser. 2, Vol. VII., 

 1900, pp. 395-404. (Mainly treats of the position assumed 

 in swimming by species of Daphnia and Simocephalus.) 



Vignon, P. " Recherches de Cytologie Generale sur les Epithe- 

 liums," Archives de Zoologie Experimentale et Generale, Ser. 3, 

 Tom. IX., 1901, pp. 371-720. (Contains a large amount of 

 information about cilia.) 



Zelinka, C. " Studien iiber Raderthiere, II. Ueber die Sym- 

 biose und Anatomie von Rotatorien aus dem Genus 

 Callidina," Arbeiten aus dem Zoologischen Institut zu Graz, 

 1886. (Contains the best account of the movement of cilia 

 in Rotifers.) 



(The above resume has been previously printed in the " Journal of the 

 City of London College Science Society," Vol. X., No. 7, April 1905.) 



Joura. Qv.ekett Microscopical Club, Sir. 2, Vol. A'., No. 64, April 1909. 



