CONTENTS. 
Transactions of the Society — 
PACJK 
XII. — On the Division of the Chromosomes in the First Mitosis 
in the Pollen-Mother-Cell of Lilium. By Prof. 
J. Bretland Farmer, M.A. Communicated by Prof. F. 
Jeffrey Bell, M.A., Sec. R.M.S. (Plato X.) 501 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VERTEBRATA : — Embryology, Histology, and General. 
a. Embryology. 
Lwof, B . — Early Stages in the Development of Vertebrates 505 
Hfbrecht, A. A. W . — Phylogenesis of the Amnion 506 
Wendeler, P . — Development of Oviducts in Man 507 
Chiarugi, G . — Development of Oculomotor and Trigeminal Nerves 507 
Kukenthal, W . — Theories of Dentition 507 
Hoffmann, A. — Development of Teeth in Ruminants 508 
Hektwig, O.— Experimental Embryology 508 
Born, G . — Grafting Amphibia 509 
Braem, F.— What is a Germinal Layer ? 509 
Bauer, R. W . — Relative Proportions of Yolh , Shell, and White of Egg 510 
/3. Histology. 
Dogiel, A. S . — Particular Type of Nerve-cell in the Middle Ganglionic Layer of the 
Bird’s Retina 510 
Ryder, J. A . — Retinal Cells in Eyes of Fishes 510 
Meves, F . — Peculiar Mitosis in young Oocytes of Salamander 511 
Bolles Lee, A . — Retrogression of the Karyokinetic Spindle 511 
Siawcillo, J . — Eosinophilous Cells of some Fishes 511 
Mann, G. — Changes in Nerve-cells during Functional Activity 512 
y. General. 
Dohrn, Anton — Results of the 1 Challenger’ Expedition .. 512 
Goodrich, E. S. — Coelom, Genital Ducts, and Nephridia 513 
Weldon, W. F. R. — Variation in Animals and Plants 514 
Vries, H. de, & Quetelet — Discontinuous Variation 514 
Herbst, Curt — Stimuli considered in Relation to Development 515 
Haacke, W. — Theory of Development 515 
„ „ Heredity and Development 515 
„ „ The Essence of the Organism 516 
Hyatt, A . — Phytogeny of an Acquired Characteristic 516 
Morris, C . — Extinction of Species 516 
Morgan, T. H . — Study of Metamerism 517 
Fere, Ch . — Teratogenic Influence of Alcohol on Eggs 518 
Schiemenz, P., & E. Schoebel — Aid to Bibliography of Zoology 518 
Tunicata. 
Reibisch, J. — Plankton Thaliacea 519 
Driesch, H . — Isolated Blastomeres in Ascidians 519 
Lefevre, G . — Budding in Perophora 519 
INVERTEBRATA. 
Stewart, C . — Locomotion of Invertebrates 520 
Mollusca. 
Smith, E. A . — Mollusca of the Bay of Bengal 520 
a. Cephalopoda. 
Vayssi^re, A . — Sexual Dimorphism in Nautilus 520 
y. Gastropoda. 
Fujita, T . — Mesoderm Formation in Pulmonata 521 
Thiele, J . — Phytogeny of Gastropoda 0 521 
S. Lamellibranchiata. 
Sigerfoos, C. P . — Early Stages in the Development of the Pholadidse .. .. .. 521 
Faussek, V . — Parasitism of Larva of Ahodonta on the Skin of Fishes 521 
a 
