( 4 ) 



8. IncertflB Sedis. pack 



ScuiMKEWiTSCH, W. — Balanogloum^ Mere$rhJ:orskii 588 



GuEEFF, L. VON — ''Challenger' Myzoftomida 590 



Echinodermata. 



Fleischmann, A. — Development of Egg of Echinocardium cordalum 590 



Sarasin, p. & F. — Renal Organ oj Echinoid* 590 



Bell, F. Jeffrey — RemarhaUe Ophiurid from Brazil 591 



LiDWiG, H. — Ntio and Old Uolothurians 691 



Coelenterata. 



Fewkes, J. W. — New Mode of Life among Medtisse 591 



„ „ Meduste from Netc England 592 



„ „ Neio Fhysophore 592 



Fowij:r, G. H. — New Pennahtla from the Bahamas .. .. 593 



Fischer, P. — Act inix of Coasts of France 593 



Blochmann, F., & C. Hilgeb — Gonactinia proHfera 593 



Haacke, W. — Nature of Polyparium 594 



Porifera. 



Dendt, A. — Comparative Anatomy of Sponges 594 



MacMunn, C. a. — Cliromaiology of Sponges 595 



ToifENT, E. — Gemmules of Silicispongiie 59G 



Noll — Silicohlasts 596 



WicLTNER, M. — Surcirnl of SpongiU.-e after Development of Swarm-larvx .. .. 590 



liiULEY, S. O., & A. Dendy — ' Challenger ' Sponges 697 



Protozoa. 



BvTSCUhi's Protozoa 597 



Grcber, a. — Multinucleate Infusoria 597 



MoBics, K. — Foil ictdina ampulla 598 



Stokes, A. C. — Fresh-water Infusoria of tlm United States 598 



Blanc, H. — New Foraminifera 598 



Wierzejski, a. — Psorospermium Haeclidii 598 



Gbassi, B., & W. ScHEWiAKOFF — Megastoma entericum 599 



BOTANY. 



A. GENERAL, including the Anatomy and Physiology 



of the Phanerogamia. 



a. Anatomy. 



(1) Cell-structure and Protoplasm. 



STRASBrEGEK, E. — Division of the Nucleus, Cell-division, and Impregnation ,. .. 600 



KoRSCHELT, E. — Relation beticeen the Function and Position of the Nut-leus ., .. 601 



3 K^^K, i. "M.— Permeability of Protoplasm 601 



Fi&cHER, A., J. WiESNEB, & F. Krasser — Albuminous reaction of Cdl-icall .. 602 



Ambbonx, H. — Pleochromism of coloured Cell-walls ' 602 



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



Baccaeini, V.—Sphxrocrystah 603 



Tassi, F.— Nectar of Rhododendron 603 



'SXAGyER, 'E.— Tannin in the Crassulacex 603 



MCntz, A. — Occurrence of the Elements of Sugar of Milk in Plants 604 



TsCHiRCH, A. — Development of some Secretions and their Receptacles 604 



(3) Structure of Tissues. 



"L^BLOis, A.— Secretory Canals and Secretory Reservoirs 604 



Miller, C. — Secreting Canals of VmhelUferse and Araliace<e contained in tlie Phloem 605 



Schafer, R. p. C— Influence of the Turgidity of the Epidermal Cells on the Stomata 605 



WiLLiAMsox, Vy. C— Anomalous Cells in the Interior of the Tissue of Fossil Plants 605 



Douliot, H. — Periderm of the Leguminosx 606 



Atetta, C. — Anomalies in the Structure of the Roots of Dicotyledons 606 



Di-MOST, A.— Comparative Anatomy of Malvaeex, Bombacex, Tiliacex, and Ster- 



culiaceie 606 



(4) Structure of Organs. 



LiERAU, M. — Roots of Aracete 607 



Tafel, F. V. — Mechanical Protection of Bulbs '.. \. ,', 607 



Scott, D. H. — Floating-roots of Sesbania aculeata 607 



Tieghem, p. tan, & P. Picm— Tubercles on the Roots of Leguminosx .. . . '.. 608 



