XXU CONTENTS. 



PAGE 



Howe, BI. A . — Riccia in North America 404 



Yasuda, A. — Flagiothecium 404 



Wheldon, J. A. — Synopsis of European Sphagna 404 



Ingham, W. — British Mosses 405 



Lazaro e Ibiza, B. — Spanish Bryophytes 405 



Bkyan, G. S. — Development of Archegonium in Catharinea 479 



Allen, C. E. — Spermatogenesis of Poly trichumjnniperinnm 480 



Fkye, T. C. — Illustrated Key to Ditrichaceie 481 



Rodway, L. — Tasmanian nepaticss ,.. .. 481 



„ New Tasmanian Bryophyta 481 



Williams, R. S. — Philippine Mosses 481 



MiJLLER, K. — Structural Adaptations in Eepaticm 603 



Kbiegeh, W. — Duration of Sporogonial Development in Mosses 604 



Allen, 0. E. — Spore Mother-cells of Catharinxa 605 



Gyorffy, I. — Pleurozygodon sibiricum 605 



BfLOTHERVSjY. ¥.— Mosses of Amboina 605 



Thallophyta. 

 Algae. 



Fritsch,F. E.,& F. RiEH— Fresh-water Algx 143 



Hodgetts, W. J. — Dicranochaete reniformis 144 



Acton, Elizabeth — Neto Penetrating Alga 144 



'iivsTEDT,F.—Tetracyclus 144 



ToRKA, V. — Diatoms from the Province of Posen 145 



Netjenstein, H. v. — Structure of the Nucleus in Algse and its Systematic Significa- 

 tion ■ 145 



Lautebborn, R. — Sapropelic Algx 145 



Pevalek, J. — Algse of North Croatia 146 



t»MiTH, G. M. — Alggi of Wisconsin Lakes 146 



HuRD, Annie M. — Codium mucronatum 146 



Schiller, J. — Remarkable Symbiotic Algae 147 



Kylix, H.^ — Development of Griffithsia coraUina 147 



Mazza, A. — Oceanic Algss 147 



BbROESET<j,F.— West Indian Marine Alijx 147 



Sacvageait, C. — Sexual Organs of Laminaria 148 



Fallis, Annie L. — Oroioih in Laminaviaeese 149 



Griffiths, B. M. — August Eeleoplanldon of some North Worcestershire Pools .. 286 



FA\iijhAni), J.— French Peridiniese 237 



TmhmG,F.— Swedish P1anl-t07i-algx 237 



ToNi, G. B. de, & A. FoRTi—Phytoplanliton from the Indian Ocean 237 



Oestrup, E. — Marine Diatoms from Iceland 238 



BoYER, C. i<.— Diatoms of Philadelphia 238 



T)uGEhhiER,F.— Swiss Desmids 238 



Playfair, G. I. — Oocystis and Eremosphmra 239 



Bargagli-Petrucci, G.— rwsca?; J?l/« .. .. 239 



Teodoresco, E. — Phycoeyythrin in Nostoc commune 239 



Sauvageau, C. — New Laminaria for France (L. Lejolisii) 239 



Kylin, H. — Alternation of Generations in Laminaria digitata 240 



Baker, Sarah M., & Maude H. Bohling — Brown Seaweeds of the Salt Marsh 241 



Tom, Q.B.VE— Marine Algx of the Island of Elba 241 



