( 4 ) 



PAOB 



Zelleh, E. — Generative Apparatus of Diplozoon paradoxum 427 



REPIACHOFF, W. — Second Species of Tubellarian living on Nebaline 428 



Kunstler, J. — New Remarkable Worms 428 



Echinodermata. 

 Sarasin, P. & F. — Longitudinal Muscles and Stewart's Organ in Echinothw 



rids 429 



Prouho, II. — Researches on Dorocidaris papittata and other Mediterranean 



Echinids 430 



Douerlein, L. — Echinoidea of Japan 431 



Sarasin, P. & F. — Gemmation in Linckia mullipora 431 



Durham, II. E. — Emigration of Amoeboid Corpuscles in Star-fish .. 431 



„ „ Madreporite of Cribrella ocellata ,. .. 431 



Hamann, O. — Morphology of Ophiurids 432 



Coelenterata. 



Brooks, W. K.—New Method of Multiplication in Hydroid* .. .. 433 



Fowler, G. H. — Anatomy of Madreporaria .. 434 



Wilson, H. V. — Development of Mancinia areolata 434 



Koch, G. v. — Gorgonidse of Naples 435 



Protozoa. 



Mobius, K. — Direct Division of Nucleus in Euplotes harpa 436 



Anderson, H. H. — New Parasitic Infusoria 436 



Daday, E. v. — Monograph of Tintinnodem 436 



Scut tt, F. — Spor e- formation in Per idinem 437 



Haeckel, E. — Radiolaria 437 



Kunstler, J. — New Foraminifer 437 



Carter, H. J. — Nature of Opaque Scarlet Spherules found in many Fossilized 



Foraminifera 438 



Nutting, C. 6.— New Species of Acineta 438 



Perrongtto, E. — Encystation of Megastoma intestinale .. , 439 



BOTANY. 



A. GENERAL, including the Anatomy and Physiology 



of the Phanerogamia. 



a. Anatomy. 



(1) Cell-structure and Protoplasm. 



Degagny, C. — Nuclear Origin of Hyaloplasm 440 



Halsted, B. D. — Three Nucleiin Pollen-grains 440 



Zacharias, E. — Nuclear and Cell-division 440 



Krabbe, G. — Structure and Growth of the Cell-wall 441 



Noll, F.— Growth of the Cell-wall 442 



Zimmermann, A. — Morphology and Physiology of the Cell 442 



(2) Other Cell-contents (including: Secretions). 



Wakker, J. H. — Formation of Aleurone-grains 443 



„ „ Elaioplast 443 



Mikosch, K. — Structure of Starch-grains 443 



Hillhouse, W. — Function of Tannin 444 



Schimper, A. F. W. — Formation of Oxalate of Lime in Leaves 444 



Wakker, J. H. — Crystals of Calcium oxalate 445 



Eiselen, J. — Position and Number of Raphides 445 



Hornberger, R.— Spring-sap in the Birch and Hornbeam 445 



(3) Structure of Tissues. 



Boulger, G. S.— Endosperm 446 



Mer, E. — Formation of the Duramen 446 



Sacvageau, C. — Diaphragms in the Air-canals of the Root 447 



Tbiebel — OH passages in the Roots of Composite 447 



Lecojite, H. — Effects produced by the Annular Decortication of Trees 447 



Solereder — Systematic value of the Perforation in the Walls of Vessels 447 



Plitt, C. — Anatomy of the Leaf-stalk 448 



Mangin, L. — Permeability of the Epidermis of Leaves to Gases 448 



Vesqve, J. — Epidermal Reservoirs for Water 448 



JIildebrandt, H. — Comparative Anatomy of Ambrosiacea 'and Senecioidex .. .. 449 



Jr. el, O. — Anatomy of Marrgraviacem 449 



