CONTENTS. XXUl 



PAG3 



Collins, F. S., & M. A. Howe — Halymenia 410 



Samsonoff-Aruffo, O. — Lithothamnhnn topJiiforme 410 



Pascher, A. — Colourless Rhizopodial Chrysomonad 488 



Halosphxra , 488 



Meyer, K.—i\//cro.spor« 489 



Brand, F. — lielation of Schizngonium to Prasiola 489 



GiSTL, R. — Bavarian Desmids 490 



ZiMMERiiAK.C— Diatoms of Brazil 490 



^VAhcoTT, CD.— Fossil Algse 490 



Magnus, W., & B. Schindler — Influence of Nutritive Salts on the Colouring of 



Oscillarieas .. .. 491 



Sauvageau, C. — Mucilaginous Glands in Certain Lamitiariaceas 491 



Huber-Pestalozzi. G — Anomalous Forms of Ceratium hi rundinella 576 



Takeva, U.—Carteria Fritschii .. .. 577 



Fritsch, F. E., & H. Takeda — Chlamydomonas sphagnicala 577 



Smith, G. M. — Zoospore Formation in Characium 578 



„ „ Cytology of Pediastrum 578 



„ „ Organization of the Colony in Certain Four-celled AlgiB 578 



Michaelis, H. — Protection of Fresh- water Algas against Animals 579 



Platt, E. L. — Fresh-water AlgsB 579 



Acton, Elizabeth — Nuclear Division in Desmids 579 



Brown, N. E. — Pinrmlaria 580 



ToRKA, V. — Fresh-water Diatoms .. •• 580 



Penzig, O. — Calcareous Nodules 581 



Bn^ST, A.~Chara crinita 581 



Svedelius, N. — Alternation of Generation in Floridex 581 



Senn, G. — Position of Chromatophores 582 



Howe, M. A., & W. D. IioYT—Mari7ie Algx from North Carolina 583 



Sauvageau, C. — Gametophyte of Lamlnaria 583 



Fungi. 



PiETERs, A. J. — The Ferax Group of Saprolegnia 101 



Majmone, B. — New Species of Empusa 101 



Lakon. G. — Study of Tarichium 101 



Kavina, K. — Systematic Position of Endogone 102 



'Roth— Biology of the Oak Mildew 102 



Wiltshire, S. P. — Infection and Immunity Studies on the Apple and Pear Scale 



Fungi • 102 



Killian, K. — Development of the Perithecia of Venturia insequalis 103 



Weese, J. — Study of Eypocreacese 103 



Maublanc, A. — Drepanoconis and Clinoconidium 103 



BRiEnLEY,^V.B.—Endoconidiu of Tlueluviahasicola Zo2)f 103 



ToBLER — Verrucaster lichenicola 104 



Long, W. H., «& L. Linsbauer — Uredinex 104 



Sartory, A. — Fungi in an Iron Mine 104 



Linton, E. F.—i^M/igft o/ ias< Dorset .. .. 104 



Maffei, L., & Malusio Turconi — Italian Fungi 105 



Fragoso, R. G. — New Spanish Fungi 105 



Naoumoff, M. N. — New Microfungi 105 



