xxviii CONTENTS. 



Alg89. 



PAGE 



Bennett, A. W. — Fresh-water Algx (including Chlorophyllous Protophyta) 



of the English Lake District. (Plate I.) Tart 1 1 



Maskell, W. M. — Note on Micrasterias Americana and its varieties. 



(Plate II.) ,, 7 



Janse, J. M. — Plasmolysis of Algx „ 93 



Hauck, F. — Choristocarpus tenellus ,, 93 



MOBITJS, M . — New Fresh-water Flor idea „ 93 



Ketel, F. — Lemanea „ 93 



Wildeman, E. de — Microspora „ 94 



Smith, T. F. — Some points in Diatom-structure „ 94 



Castkacane, F. — Deep-sea Diatoms ,, 94 



Grove, E., & G. Stdrt — Fossil Murine Diatoms from New Zealand .... „ 94 



"W olle's (F.) ' Fresh-water Algae of the United States, 1 „ 94 



Schutt, F. — Phycophxin Part 2 265 



Debray, F. — Development of the Phallus of certain Algse „ 265 



Oliver, F. W. — Sieve-tubes in the Laminariex „ 265 



Lagerheim, G. — Development of Confervacex ,, 266 



Hansgirg, A. — Algological Studies „ 267 



Rauwenhoff, N. W. P. — Sphseroplca „ 267 



Wildeman, E. de — Ulothrix crcnulata „ 268 



Potter, M. C. — Alga epiphytic on a Portoise „ 268 



Schutt, F. — Formation of Auxospores in Diatoms „ 268 



Rattray, J. — Revision of the Genus Aulacodiscus, Ehrb. (Plates V., VI., 



VII.) Part 3 337 



Stroemfelt, H. F. G. — Attachment-organ of Algx ,, 461 



Hick, T. — Physiology of Phxophycex „ 462 



Loew, O., & T. Bokorny — Chemico-physiological Study of Algse .. .. „ 463 



Wakker, J. H. — Crystalloids in Marine Algse, „ 463 



Leitgeb, H. — Incrustation of the Cell-wall of Acetabularia „ 463 



Peter, A. — Batrachospermum, Chantransia, and Lemanea ,, 464 



Wakker, J. H. — Rejuvenescence of Caulerpa ,, 464 



Cramer, C. — Dasycladacese „ 464 



Stroemfelt, H. F. G. — New Genera of Phxozoosporex „ 465 



Gay, F.— Ulothrix „ 465 



Kitton, F. — New Species of Biddulphia from Fiji „ 466 



Pantocsek, J. — Fossil Diatoms of Hungary „ 466 



Woodworth, W. M. — Apical Cell of Fucus Part 4 621 



Schutt, F. — Phycoerythrin „ 622 



Johnson, T. — Procarp and Cystocarp of Gracilaria „ 622 



Bigelow, R. P. — Frond of Champia parvula „ 623 



Lagerheim, G. — Development of Hydrurus „ 623 



Askenasy, E. — Development of Pediastrum „ 624 



Weber, van Bosse — Algx parasitic on the Sloth „ 624 



Overton, C. E. — Conjugation of Spirogyra „ 625 



Lagerheim, G. — Uronema, a new genus of Chlorozoosporex „ 626 



Wille's (N.) Contributions to Algology „ 626 



Hansgirg's (A.) Alga-flora of Bohemia „ 626 



Hauck and Bichter's Phycotheca universalis „ 627 



De Toni (G. B.) and Levi's (D.) Venetian Chhrophyccse „ 627 



Schutt, F. — Chxtoceros „ 627 



Rattray, J. — Varieties of Aulacodiscus „ 627 



Toni, J. B. DE — Classification of Chlorophycex Part 5 775 



Hansgirg, A. — Classification of Confervoidex „ 775 



