CONTENTS. XXI 



PAGE 



Cystopus Parte 880 



Zygospores of Mucorini . . „ 881 



New ScMzomycete (^Leptothrix gigantea) , ,. „ 882 



Bacterium Zopfii „ 882 



Diastatio Ferment of Bacteria , . „ 883 



Micrdbia of Fish ,, 884 



Fermentation of Bread „ 885 



liiclierLes. 



Reproductive Organs of Lichens Part 3 404 



Structure, Development, and Life-History of a Tropical 



Epiphyllous Lichen Part 4 544 



Morphology and Development of Cladoniaceae Part 5 690 



Structure of Caliciece „ 691 



Algee. 



Marchesettia, a New Genus of Floridece Part 1 107 



Chromophyton Bosanoffii „ 108 



Phyllosiphon Arisari „ 108 



Argentine and Patagonian Algce „ 109 



Swedish PediastrecB, Protococcacece, and Palm^llacece . . „ 109 



Crenothrix Kiihniana as a Contaminator of Water .. ., ,, 110 



Alga parasitic on a Snake „ 111 



Structure of Diatoms „ HI 



Reduction of Sulphates by Algce Part 2 258 



Morphology of Marine Algce „ 259 



Vaucheria „ 259 



Rejuvenescence of the Thallus of Vaucheria „ 261 



Assimilation of HcsmMtococcus „ 261 



Movements of Oscillariece ,, 262 



Movements of Diatoms ,, 262 



Markings of Diatoms ^^ 264 



Bacteria connected genetically with an Alga Part 3 400 



Chromatophores of Algce .. ,. .. , 405 



Phycochromacece ^ 407 



BangiacecB of the Gulf of Naples „ 408 



Sphxrozyga Jacobi .. .. , , . . , 409 



Algoid Structures in the Coal of Central Russia ,, 409 



Decomposition of Synedra radians by Caustic Potash .. „ 409 



New Xanthidium 410 



Structure of Diatoms in the Jutland " Cement-stone " .. „ 411 



Motion of Diatoms 412 



Pfitzer's Diatomacece 413 



Vegetation of Street Gutters Part 4 545 



Formation of Tetraspores 54q 



Reproduction of Porphyra 546 



Cryptogamic Flora of Arctic Ice and Snow „ 546 



Vaucheria- Galls 54g 



Motion of Diatoms 547 



Fossil Diatoms of Austria-Hungary „ 543 



Diatom Types ^^ 543 



I 3 



