Bibliotheca Pliycologica. xxXvii 



DoNKiN A. — On some new and rare species ofFreshwater Diatomacese discovered in 

 Noithumberland. (Ibidem vol. IX, n. 5, 1869, p. 287, pl. XVIII). 



— Notes on certain Freshwater species of Diatomacefe. (Ibidem vol. IX, n. 5. 



1869, p. 397). 



— The Natural History of the British Diatoraacese, illustrated with 12 plates by 



Tuffen West: Parts MII. Londou 1871-73. 

 D0UGI.ASS H. C. — Plants of the Detroit River. (Bull. Torrey Bot. Club 1886 June, 



p. 83). 

 DouoL.\ss R. C. — Baciliaria paradoxa in Freshwater. (Quart, Journ. Micr. Sc. vol. 



V, new ser., I860, p. 148). 

 Draparnaud J. P. R. — Discours sur les moeurs des plantes. Montpellier 1801. 

 Druce T. C — On the reproductive processes in the Confervoide». (Microsc. Jour- 



nal 18G0, p. 71). 



— Conjugation in Diatomacete. (Quart. Journal Micr. Sc. vol. V, 1875, p. 22). 

 Drude 0. - Ueber Bau und Entwickelung der Kugelalge Volvox. (Sitzungsber. und 



Abhandi. d. Naturw. Gesellsch. Isis in Dresden, Jahrg. 1882, p. 60.67). 

 Drummond J. — On fossil Infusoria found in the County Down, Ireland. (London Mag. 



Nat. Hist. 1839). 

 DuBY J. E. — Memoire sur le groupe des Ceramiees, 3 parties avec 9 pianches. 



Geneve 1832-35. 



— Reproduction des Algues. (Bibliothfeque Universelle des sciences Geneve VI, 



1836). 



— Singulier mode de multiplication du Pediastrum ellipticum. (SuppL k la Biblio- 



theque universelle de Geneve, Archives des Scienc. Nat. et Phys. tome XVII, 

 1851). 



— Botanicon Gallicum, pars secunda. Parisiis 1830. 



DucLUZEAU J. A. P. — Essai sur Thistoire naturelle des conferves des environs de 



Montpellier. Montpellier 1805. 

 Dudi.ey P. H. — Notes on Protococcus viridis, with 1 plate. (Journ. N. Y. Micr. Soc. 



XL p. 9-12). 



— Triceratium Davyanum. (Ibidem vol. I, n. 6). 



DuFFiN A. B. — Some account of Protoplasm. (Microsc. Journal 1860, voL III, n. 5, 



p. 251). 

 DuFouR L — Quadro delle Melobesie del mare di Genova. (Comment. della Soe. crit- 



tog. ital. vol. L p. 37-40). Genova 1861. 



— Elenco delle Alghe della Liguria. (L c. vol. II, p. 28-75). Genova 1864. 

 Dujardin F. — Sur quelques Vegetaux inferieurs et particulier sur le Nostoc. (Ann. 



FrauQ. et 6trang. d' Anatomie et de Physiologie). Paris 1839. 



— Histoire Naturelle des Zoophytes, avec pl. 22. Paris 1841. 



— Diatomees (Nouveau Manuel de rObservateur au Microscope). Parls 1842. 

 Duncan. — On a part of the Lifecycle of Clathrocystis .seruginosa Kiitz. (Journ. R. 



Soc. Micr. vol. III, 1, p. 17-19). 

 Duncan S. — On the motion accompanying assimilation and growth in the Fucaeee. 



(Quart. Journ. of microsc. Science vol. XIV, 1874, p. 19), 

 DuNCAN P. M. — On some Thallophytes parasitic with recent Midreporaria, w. 3 pl. 



London 1876. 



