CONTENTS. - XV 



PAGE 



Pascher, A. — Pseudopodial Network for Food-Catchimi in a Chrysomonad .. .. 260 



„ — Crossing of Two Species of ChlamijiIomoHcts 260 



ScHUCHERT, Charles, & OTHERS — Beatricea not a Gigantic Foraminifer .. .. 260 



Cdshman, J. A., & OTHERS — Fossll Foraminifera of the Canal Zone, Panama .. 261 



Alexeieff, A. — New Coprozoic Flagellate {\ fig.) 359 



KoFOiD, Charles Atwood, & Olive Swezy — Peculiar Polymastigote Flagellate 



(2 figs.) .. 360 



„ „ „ „ — Neiv Species of Trichomjtnpha 



(2 figs.) .. " 363 



„ „ „ „ — New Tricho7iymphid (2 iigs.) .. 36i 



„ „ „ „ — New Species of Trichomitus . . 365 



Eeichenow, Ed. — Flagellate of Lizard found also in Tick 365 



Carter, Lucy A. — Amoeba Proteus 366 



Zalueta, a. de — Promitosis and Syndiaeresis : ttco Methods of Nuclear Division 



co-existing in Amcebie of the "Limax" Group 366 



Miscellanea. 



Galloway, J. J' — The Rounding of Grains of Sand by Solution .. ,., .. .. 262 



BOTANY. 



GENERAL, 



Including the Anatomy and Physiology of Seed Plants. 



Cytology, 



Including' Cell-Contents. 



GuiLLiERMOND, A. — Significance of the Chondriome 51 



Jones, D. F. — Heterosis and Double Fertilization 51 



Structure and Development. 



Vegetative. 



Langdon, L. M. — Ray-System of Quercus 52 



Dufrenoy, J. — Significance and History of Pine-needles 159 



Record, S. J. — Significance of Resinous Tracheids 159 



Briquet, J. — Flower and Fruit of Diaperia 160 



Bliss, M. C. — Interrelationships of the Taxinem 160 



Collins, Marjorie 3 .—Leaf-Anatomy of Scsevola crassifolia, with Special Reference 



to the Epidermal Secretion 263 



Record, S. J. — Storied or Tier-like Structure of certain Dicotyledonous Woods .. 263 



Baker, R. T. — Technology and Anatomy of some Silky Oak J'imbers 264 



Dixon, Henry H. — Mahogany and the Recognition of some of the Different Kinds 



by their Microscopic Characters 26+ 



Hakvey, R. B. — Importance of Epidermal Coverings 367 



