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Weisse, J. F. 



1851. — Dritte Nachlese Petersborg Infusorien. Bull. math. phys. Acad., St. Pétersbourg, 



T. IX, p. 347. 

 Wesché, W. 



1901. — A new male rotifer (Metopidia solidus). Journ. Quelvett Mier. Club, London, ser. 2 



vol. 8, pp. 123—124, text figs. 

 1902. — Observations on male rotifers. Journ. Quekett Micr. Club, London, ser. 2, vol. 8, 



pp. 323—330, pis. 17, 18. 

 Wesché, W., and Marks, K. I. 



1903. — Further remarks on male rotifers. Journ. Quekett Micr. Club, London, ser. 2, 



vol. 8, pp. 505—512, pi. 26. 

 Wesenberg-Lund, C. 



1898a. — Ueber dänische Rotiferen und über die Fortpflanzungsverhältnisse der Rotiferen. 



Vorläufige Mittheilung. Zool. Anz., Leipzig, vol. 21, pp. 200 — 211. 

 1899. — Danmarks Rotifera. 1. Vid. Medd. Naturh. For., Kjøbenhavn, pp. 1 — 145, pis. 1, 2. 

 1900. — Von dem Abhängigkeitsverhältniss zwischen dem Bau der Planktonorganismen 



und dem specifischen Gewicht des Süsswassers. Biol. Centralbl., Leipzig, vol. 20, 



pp. 606—619, 644—656. 

 1904. — Studier over de danske Søers Plankton. Specielle Del. Quarto. Kjøbenhavn, 



223 pp. 

 1908. — Plankton investigations of the Danish lakes. General part. The Baltic freshwater 



plankton, its origin and variation. Quarto. Copenhagen. 

 Western, G. 



1890a. — Note on Asplanchna amphora. Journ. Quekett Micr. Club, London, ser. 2, vol. 4, 



pp. 65—66, pi. 6. 

 1890&. — On Philodina macrostyla and Rotifer citrinus. Journ. Quekett Micr. Club, London, 



ser. 2, vol. 4, pp. 87—91, pi. 8. 

 1890c. — Notes on rotifers exhibited at the meeting of The Quekett Microscopical Club. 



Journ. Quekett Micr. Club, London, ser. 2, vol. 4, pp. 107 — 110, pi. 10. 

 1891. — Notes on rotifers: a free-swimming variety of Lacinularia and a new rotifer found 



at Guildford. Journ. Quekett Micr. Club, London, ser. 2, vol. 4, pp. 254 — 258, pi. 17. 

 1893a. — Notes on rotifers, with descriptions of four new species, and of the male of Ste- 



phanoceros eichhornii. Journ. Quekett Micr. Club, London, ser. 2, vol. 5. pp. 155 — 160, 



pi. 9. 

 1893Ô. — Notes on rotifers. Journ. Quekett Micr. Club, London, ser. 2, vol. 5, p. 308. 

 1894a. — Some foreign rotifers to be included in the British catalogue. Journ. Quekett 



Micr. Club, London, ser. 2, vol. 5, pp. 420—426. 

 1894&. — On Dislyla spinifera. Journ. Quekett Micr. Club, London, ser. 2, vol. 5, pp. 427 



428, pi. 21, figs. 1—4. 

 Whitney, D. D. 



1917. — Tlie production of functional and rudimentary spermatozoa in Rotifers. Biol. 



Bull. 33, p. 305. 

 1918. — Further studies on the production of functional and rudimentary spermatozoa in 



Rotifers. Biol. Bull., 34, p. 325. 

 Wierzejski, a. 



1892. — Zur Kenntniss der AspZanc/ma-Arten. Zool. Anz., Leipzig, vol. 15, pp. 345 — 349; 

 1893a. — Rotatoria (wrotki) Galicyi. Rozprawy Akad. Umiejetn., Wydzialu Matem.- 



Przyrodn., Krakow, ser. 2, vol. 6, pp. 160 — 265, pis. 4 — 6, text figs. 

 18930. — Atrochus tentaculaius, nov. gen. et sp. Ein Räderthier ohne Räderorgan. Zeitschr. 



Wiss. Zool., Leipzig, vol. 55, pp. 696— 712, pl. 32. 



