' ( a ) 



Bkcord of Cubbent Rbsearohks, &c. — continued. 



FAOB 



Nervous System and Classification of Diptera ■ . . . . 66 



Homologies of the Parts of the Labium in Orthoptera .. 67 



Ooiposition of Blatta Orientalis 68 



New Genus of the Geophilidx 69 



Hydrachiiidse of the Lake of Geneva 69 



Action of Poisons on Crustacea 70 



New Podopldhalmous Crustacea 70 



Change in Colour in the Isopoda 71 



Blind Isopod from the Lake of Geneva .. .. 71 



Anatomy cf the Amphipoda 7S 



Development of Moina rectirostrie 77 



Compound Eye and Cervical Organ of the Phyllopoda 79 



New or rare Crustacea from the Coasts of France 80 



New Parasitic Copepod 81 



Development of the Heart of Criodrilut 82 



Typhhscolex MiUleri W. Busch 82 



Worm Fauna of Madeira 84 



Branched Syllis 85 



Organization of Echiurus PaUasii .. .. 85 



Natural History of the Orthonectida 86 



Nervous System of the Plathelminthes 87 



Classification and Phylogeny of the TurheUaria 90 



Neto Land Nemertine . • • . 91 



Excretory System of the Trematoda 92 



New Trematode 92 



Contributions to American Helminlhology 93 



Studies on the Echinodermata » 93 



Echinodermata of the Mediterranean 94 



Early Development of Echinids 94 



Histology of Ctenophora .' 96 



Development of the Alcyonidse ,. .. 96 



Skeleton of Corals 97 



Histology of Craterohphus tethys 97 



New Siphonophore 99 



Histology of Hydra 99 



Early Development of Gonothyrxa Loveni 100 



Structure of the Spongidie 101 



Histology and Gemmation of the Tethym 103 



Far ingdon (Coral- Rag) Sponges 105 



Multinucleated Animal arid V'egetable Protorganisma 106 



Botany. 



Development of the Embryo-sac 107 



Metastasis of Germination at various Temperatures 109 



Action of Low Temperatures on the Germination of Seeds 109 



Influence of Light on the Penetration of the Soil by the Roots of Seedlings .. 110 



Influence of the Hygrometric State of the Air on Vegetation Ill 



Plurality of Nuclei in Vegetable Cells Ill 



Contraction of Cells through Absorption of Wafer 112 



Suherization of the Membrane of Secretion-reservoirs 112 



Resin-passages in the Scales of Uie Cones of some Coniferx 113 



Nectaries of Flowers 113 



Connection between the Arrangements of the Floral Organs and the Visits of 



Inseds to Flowers '. 114 



Arum crinitum as an Insectivorous Plant 114 



New Insectivorous Pingnicula 115 



Carnivorous Hiibils of Drosera rotundifolia and longifolia 115 



Nature of the Tubercles on tlie hoots of Leguminosm 115 



Formation of Alliumen in the Plant 116 



Composition of Chlurophyll 116 



Function of Chlorophyll, and Action of Light upon it 117 



Chemlc(d and Physical Properties of " Intercellular Substance" 119 



Effects of Anxsthetics on the Sensitive Plant 120 



Vegetable AWinixm 120 



Influence of Light on the Bilateral Structure of the Prothallium of Ferns .. 121 



Development of the Prothallium of Scdopendrium 121 



