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B. Nemathelminthes. page 



ViLLOT, A. — Ovary and Oogenesis of Gordius 755 



MoNiEZ, K. — Life-history of a Free Nematode .. .. 756 



Eaillet, a. — Filaria medinensis in Animals 756 



LiNSTOW, 0. V. — Pseudalius alatus 756 



ZscHOKKE, F. — Sx>iroptera alata, a new Nematode found in Rhea americana .. .. 756 



iJriBiEK, F.— Vitality of TricMnce 757 



y. PlatylLelminthes. 



Sekera, E. — Fresh-water Turlellaria 757 



BoHMiG, L. — Microstoma papillosum 757 



MoNTiCELLi, F. S. — Notes on Entozoa . . . . 757 



SoNSiNO — Helminthological Notices 758 



Braun, M. — Tristomum elongatum 758 



S. Incertae Sedis. 



Haemee, S. F. — Anatomy of Dinophilus 758 



Hudson, 0. T. — Rotifera 759 



Echinodermata. 



Semon, K. — Homoloqies within the Echinoderm-phylum 759 



Edwaeds, C. L. — Embryology of MueUeria Agassizii , 760 



John, G. — Boring Sea-Ur chins 760 



Griffiths, A. B., & A. Johnstone — Saccidar Biverticida of Asteroidea .. .. 761 



Ives, J. E. — New Ophiurids 761 



Ccelenterata. 



Gnvin^s (C.) Ccelenterata '. •• 761 



Wilson, H. V. — Occasional Presence of a Mouth and Anus in Actinozoa .. .. 761 



Fischer, P. — Arrangement of Tentacles in Cerianthus .. 761 



Oetmann, a. — Madrepore Corals from Ceylon .. 762 



Dixon, G. Y., & A. F. — Bunodes and Tealia 763' 



MoMuRRiCH, J. P. — Edwardsia-Stage in Free-swimming Embryos of a Hexactinian 763 



Brook, G. — New Type of Dimorphism found in Antipatharia 764 



Clatjs, C. — Organization and Phylogeny of Siphonopjhura 764 



Porifera. 



Lendenfeld, K. t. — Monograph of Horny Sponges 765 



Maas, O. — Metamorphosis of Larva of Spongilla 765 



Protozoa. 



BuTSCHLi's Protozoa 766 



Komanes, G. J. — Psychology of Protozoa - 766 



(tEiffiths, a. B. — Method of Demonstrating Presence of Uric Acid in Contractile 



Vacuoles of lower Organisms - . . . 767 



Famintzin, a. — Symbiosis of Algx and Animals . . .. , 767 



ScHEWiAKOFF, W. — Holotrichous Infusoria 767 



Gaecin, a. G. — Pigment of Euglena sanguinea 768 



KuNSTLEE, J. — New Proteromonas 768 



Summons, W. J. — Podophrya from Calcutta .. 768 



Dreyer, F. — Structure of Bhizopod Shells 768 



MoBiTTs, K. — Rhizopod-Fauna of Bay of Kiel .. 769 



AsTAEi, A. — Nuclearia delicatula 770 



HcHLUMBEEGEE, C. — Reproduction of Foraminif era 771 



ScHUBEEG, A .—^Grassia ranarum 771 



BOTANY. 



A. GENERAL, including tlie Anatomy and Physiology 

 of the Phanerogamia. 



a. Anatomy. 



(1) Cell-structure and Protoplasm. 



JiioLh, F.-— Structure of the Cell .. .. 772 



KoEPPEN, O. W. — Nucleus in Dormant Seeds 772 



GuiGNARD, L. — Pollen of the Cycadese 772 



