( 8 ) 



Ebcoed of Corbbnt Rk8barohe9, &c. — continued. 



PAOB 



Pentaetomum polyzonum ""^^ 



Anal Bespiration of the Crustacea • 9^4 



Genealogy of the Mysid^e 9^* 



Nest-building Amphipods 945 



Development of Orcheslia Montagui and O. Mediterranea .. .. .. .. 946 



Structure of the Eye of Limulua . . 947 



Eye of Trilobites 948 



New Etttomostracon from Afghanistan 948 



Genital Glands and Segmental Organs of the Polychxta 949 



Copulatcky Organs of Microphthalmus 950 



Development and Classifictition of the Echiurida 931 



Excretory Organs in the Trematoda and Cestoida 954 



Ciliated Embryo of Bilharzia 955 



New Type of the Cestodes 956 



New Cestodes 956 



Solenophorus megacephalus 957 



Histology of the Tetrarhynchi 958 



Viviparous Chirodota 958 



Observations on the Temnopleuridx 958 



Abnormal Echinids 959 



Remarkable Form of Pedicellaria 960 



New Echinodermata 961 



Synthetic Starfish 962 



Formation of the Egg-covering in Antedon rosacea 963 



The Ctenophora 963 



Medusx and Hydroid Polyps living in Fresh Water 967 



Origin of the Generative Cells in the Hydroida 968 



Development of Hydra 969 



Structure of Hydra 969 



IJxternal Gemmation in the Spongida (TlateXXI.) 970 



General and Comparative Morphology of the Sponges 971 



New British Sponge . . . . • 972 



Infusoria at Parasites 972 



Chlorophyll and Stai'ch in Infusoria 973 



New Opalinids 973 



Importance of Foraminifera for the Doctrine of Descent 975 



New Moueron 975 



Botany. 



Division of the Nucleus in the Pollen-Mother-ceUs of Tradescantia . . . . 976 



Multinucleated Cells in the Sunpensor of Dicotyledons 979 



Latex and Laticiferous Vessels .. ., .. •• 981 



liudlmentary Coma in Godetia 981 



Nectariferous Trichomes of Melampyrum 982 



Threads of Protoplasm on Glandular Uairs of Silphium 982 



Besin-passages in the Coniferx 983 



Infiuejice of Light on the Transpiration of Plants 983 



Heliotropism 984 



Formation of Chlorophyll in the Dark 984 



Chlorophyll in the Leaves of tlie Canada Vine .. 985 



Absorption of Water by the Leaves of Bulbous Plants 9;'>5 



Disengagement of Carbonic Acid from the Boots of Plants 985 



Digestive Principles of I'lanta 986 



Nutrition of the Droscra 986 



Botanical Micro-Chemistry 986 



Bed Pigment of the Flowers of the Peony 987 



Development of the Sporangium in Vascular Cryptogams .. 987 



Structure of the Stem of Mosses 989 



Stomata of Marchantiacex 990 



Infloresrence of the Marchantiacem 9;»1 



New Hepaticv 9lt2 



Observatitms on Urcdineie and Ustilaginete 992 



Uredo viticida 9!>3 



Development of the Spsrmogonia of JHcidiomycetea 993 



