182 
W. B. Grove. 
BIBLIOGRAPHY. 
1. Carter, H. J. “On Fecundation in Eudorina elegans and Cryptoglena." 
Ann. and Mag. Nat. Hist. 3, II, 237, pi. 8, Figs. 1-8 
(1858). 
2. Cavers, F. “ Recent Work on Flagellata and Primitive Algae.” New 
Phytol. XII, 28 etc. (1913); Volvocales on p. 109. 
3. Chatton, E. “ Pleodorina californica a Banyuls-sur-mer. Son cycle evolutif 
et sa signification philogenique.” Bull. Sci. France 
et Belg. XLIV, 309, pi. 7 (1911). 
4. Chodat, R. “ Algues Vertes de la Suisse.” Berne (1902). 
5. Clinton, G. P. “ Pleodorina in Illinois.” Bot. Gazette, XIX, 383 (1894). 
6. Conrad, W. “ Observations sur Eudorina elegans Ehrenbg.” Bruxelles 
(1913). 
7. Fritsch, F. E. “The Occurrence of Pleodorina in the Freshwater 
Plankton of Ceylon.” New Phytol. Ill, 122 
(1904). 
8. Henfrey, A. “ Notes on some Freshwater Confervoid Algae, new to 
Britain.” Trans. Micr. Soc. London, New Ser. IV, 
49, pi. 4, Figs. 1-25, in Quart. Journ. Micr. Sci. Vol. 
IV (1856). 
9. Janet, C. “ Le Volvox .” Limoges (1912). 
10. Kofoid, C. A. “ Plankton Studies. II. On Pleodorina illinoisensis, anew 
species from the plankton of the Illinois River.” 
Bull. Illin. State Lab. V, 273, pi. 36-7 (1898). 
11. Merton, H. “ Ueber den Bau und die Fortpflanzung von Pleodorina 
illinoiensis.” Zeitschr. f. wiss. Zool. XC, 445, pi. 27- 
8 (1908). 
12. Mottier, D. M. “ Pleodorina in Indiana.” Bot. Gazette, XIX, 383 (1894). 
13. Overton, E. “ Beitrag zur Kenntniss der Gattung Volvox." Bot. 
Centralbl. XXXIX, 65 ff. (1889). 
14. Shaw, W. R. “ Pleodorina , a new Genus of the Volvocineae.” Bot. 
Gazette, XIX, 279, pi. 27 (1894). 
15. West, G. S. “A Treatise on the British Freshwater Algae.” Cam¬ 
bridge (1904). 
16. West, W., and West, G. S. “ A further Contribution to the Freshwater 
Plankton of the Scottish Lochs.” Trans. Roy. Soc. 
Edinb. XLI, 477 (1905). 
17. ,, ,, “ A Comparative Study of the Plankton of some 
Irish Lakes.” Trans. Roy. Irish Acad. B, XXXIII, 
77 (1906). 
