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y. Platylielininthes. page 



Wendt, a. — Gundaulvse 519 



BiJRGEK, O. — Nervous System of Nemertines 519 



LiNSTOW, VON — Helminthological Notes .. 520 



Stossich, M. — The Species of Distomum in Amphibians 521 



LiNSTOW, VON — Anatomy of Phylline Hendorfiii . . . . 521 



MoNTiCELLi, F, S. — Nervous System of Amphiptyches 522 



„ „ Cercaria setifera .. • 522 



Ceety, C. — Structure of Solenophorus 523 



S. Incertee Sedis. 



MihTSE, W.—Botifers Paragitic in Sphagnum 523 



Kellicott, D. S. — American Botifera 523 



BouKNE, G. C. — Tornaria in British Seas 523 



EcMnodermata. 



Ludwig's EcMnodermata 524 



Hamann, O. — Anatomy of Ophiuroids and Crinoids 525 



JiCKEiii, C. F. — Nervous System of Ophiurids .. .. 527 



Hamann, O. —Morphology of Crinoids 528 



Beli, F. Jeffrey — Large Starfish 529 



Ives, J. E, — Variation in Ophiura panamensis and 0. teres .. •• 529 



Ccelenterata. 



Marshall, A. Milnes, & G. H. Fowlee — Fennatulida of Mergui Archipelago . . 529 



M'MuERiCK, J. P. — Lebrunia neglecta 529 



Sluiter, C. p. — Eemarkdble Actinian 530 



Koch, G-. v. — Caryophyllia rugosa 530 



Vanhoffen, E. — Semseostomatous and RhizostowAitous Medusm 530 



Chxjn, 0. — Siphonophora of Canary Islands 530 



Fewkes, J. Walter — New Athorybia 532 



ScHEWiAKOFF, W. — Eyes of Acalephse 532 



Porifera. 



Leidy, J. — Cliona .. .. .. 534 



Protozoa. 



Fabbe-Dombbque — Functional Differentiations in Unicellular Beings 534 



Gbubeb, a. — Maupas' Besearches on Ciliata . . . • 534 



Fabbe-Domeegue — Two New Infusorians 535 



Andeeson, H. H. — Anoplophrya aeolosomatis 535 



Henneguy, F. — Formation of Spores of Gregarine of Earthworm .. 536 



LuTZ, A. — Cystodiscus immersus — a Myxosporidium found in the gall-bladder of 



Brazilian Batrachia 537 



BOTANY. 



A. GENERAL, including the Anatomy and Physiology 

 of the Phanerogamia. 



a. Anatomy. 



(1) Cell-structure and Protoplasm. 



Stbasbubgeb, E. — Growth of the Cell-wall 538 



Mangin, L. — Structure of the Cell-wall 538 



Vries, H. de — Permeability of Protoplasm for Urea 538 



Kelticky & Bielkowsky — Diosmose through the Cellulose-pellicle of Phragmites 



communis .. 539 



Pfeffek, W. — Beduction of Silver in the living-cell 539 



