CONTENTS. 



Transactions of the Society — page 

 XIII. — Twenty-four more New Species of Eotifera. By P. H. 



Gosse, F.E.S., Hon.^ F.E.M.S., &c. (Plates XIV. and XV.) 861 

 XIV. — A Synopsis of the British Eecent Foraminifera. By 



Henry B. Brady, F.E.S., F.G.S 872 



XV.— A New Eye-piece. By E. M. Nelson .. .. .. ..928 



SUMMARY OF CUIIRENT RESEARCHES. 



ZOOLOGY. 



A. VERTEBRATA: — Embryology, Histology, and General. 



a. Embryology. 



Hertwig, O. & E. — Fertilization and Segmentation of the Animal Ovum ., . . 929 



Nagel, W. — Human Ovum ,. .. 932 



BoHM, A. A. — Fertilization of Ovum of Lamprey .. .. 932 



ScHAKPP, R. — Intra-Ovarian Egg of some Osseous Fishes . . 933 



List, J. H. — Development of Osseous Fishes 933 



Weismann, a. — Polar Bodies and Theory of Heredity . . 33i 



/3. Histology. 



PliATNEE, G. — Theory of Cell-division 935 



Beinck, J., & H. Keoneckee — Synthetic Processes in Living Cells 935 



Marshall, C. F. — Structure and Distribution of Striped and Unstriped Mtiscle in 



the Animal Kingdom .. 935 



Detmees, F. — Comparative Size of Blood-corpuscles in Man and Domestic Animals 937 



THOsrpsoN, D'Aecy W. — Blood-corpuscles of the Cyclostomata 937 



FoKKEE — Hsematocytes .. 937 



y. G-eneral. 



Keukenbeeg, C. F. W. — Phosphorescence 938 



Engelmann, T. W. — Function of Otoliths .. .. 938 



B. IN VERTEBRATA. 



Geobben, 0. — Pericardial Gland of Opisthobranchs and Annelids 939 



LuDWiG, H. — Singular Parasite on Firola 939 



MoUusca. 



Beenaed, F. — Structure of Branchia of Prosobranchiate Gastropoda 939 



„ „ Structure of False Gills of Pectinibranch Prosobranchs 940 



Wolff, G. — Renal Organs of German Prosdbranchiata 940 



Gaenaclt, p. — Oogenesis of Chiton 940 



Geiffiths, A. B. — Nephridia and ^' Liver" of Patella vulgaf a 941 



Pelseneer, P. — Morphology of Epipodiuin of Bhipidoglossate Gastropoda .. .. 941 



Reiohel, L. — By-sus Gland of Lamellibra7ichs 942^ 



Thiele, J. — New Sensory Organ in Lamellibranchiata 942 



Molluscoida. 



a. Tunicata. 



Sheldon, L. — Observations on Ascidians . . 942 



Lahille, F. — Anatomy of Distaptia ., 943 



Beneden. E. van — Are the Tunicata degenerate Fishes ? 944 



