BsooRD OF Current Keswarches, &o. — continued. 



PAGE 



Development of the Ova and the Structure of the Ovary in Man and other 



Mammalia 845 



Micro-chemical Researches on Cell-nuclei 847 



Observations on the Living Cartilage Cell 847 



Microcytes {very small Med Blood-corpuscles) in the Blood 847 



Terminal Nerve-plexus in the Cornea 848 



Earderian Gland of the Duck -. 848 



Structure of the " Eye-spots " of some Osseous Fishes 849 



Histology of the Cerebellum of Fetromyzon fluvialilis 850 



Spinal Ganglia and Dorsal Medulla of Petromyzon 851 



Amoeboid Epithelia 852 



Effects of Induced Currents 071 the Nervous System 853 



Habits of the Octopus 854 



Segmentation of the Ovum in Helix aspersa 854 



Cutaneous Absorption of Helix pomatia 856 



Influence of ^'' Cardiac Poisons" on Helix pomatia 857 



Respiratory Apparatus of Ampullaria 857 



Doridas of the Northern Seas 859 



Glands in the Foot of the Lamellibranchiata 859 



Land Shells of Californian and Mexican Islands 861 



Pompeian Conchology 861 



Method of Obtaining Minute Mollusca 861 



Recent Species of Heteropora 862 



Cyphonautes 863 



Nervous System of Insects 863 



Cephalic Ganglia of the Insecta 864 



Brain of the Cockroach 864 



Nerves of the Proboscis of Diptera 865 



Sense-organs of Insects 865 



Scales of the Lepidoptera 866 



Butterflies with Dissimilar Sexes , 867 



Adoptio^i of an Ant-queen 868 



Mode of depositing Ant-eggs 868 



New Pauropod 869 



New Division of the Taruntulida 869 



Differences between the Young and the Adult Forms of the Gamasidx . . 870 



Pairing of Spiders 870 



Observations on the Pycnogonida 870 



Structure of the Nervous System of the Decapodous Crustacea 872 



Physiology of Muscle and Nerve in the Lobster 872 



Action of Electric Currents on the Pincer of the Crayfish 873 



Atlantic Stalk-eyed Crustaceans " 873 



Some New Cymothoida 874 



Trilohites and Limuli 874 



New Species of Chirocephalus 874 



Reproductive Organs of Non-parasitic Copepoda 875 



The NotodelphyidcB , 876 



New British Entomostraca 877 



Segmentation in Worms and Pulmonates 877 



Prizes for Life-histories of Entozoa 878 



Development and Metamorphoses of Tsenix 878 



Nematodes in the Caves of Carniola 878 



Anurxa longi^pina 879 



Studies on the Gephyrea 879 



Pelagic Annelids from the Canary Islands 883 



Annelid Jaws from Scotch and Canadian Palxozoic Rocks 884 



Organization of Batrachobdella Latasti, C. Vig 885 



New Alciopid 886 



Organization and Classification of the Orthonectida 886 



New Organs of the Ciduridae 8>>8 



Echini of the ' Challenger ' 889 



Anal Plates of Echinocidaris 890 



Pbylogeny of the Ctenophora 890 



Zoantharia malacodermata of the Coasts of Marseilles 892 



Blastology of the Corals 892 



