CONTENTS. 
Transactions of thk Society — PAGK 
IX. — Note on the Process of Oviposition as observed in a 
Species of Cattle Tick. By R. T. Lewis, F.R.M.S. 
(Plate VII.) . .. 449 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA : — Embryology, Histology, and General. 
a. Embryology. 
Houssay, F . — Theory of Germinal Layers and the Parablast 455 
Virchow, Hs. — 7 he Yolk-organ of Vertebrata 456 
Oppel, A . — Fertilization of Reptilian Ova 456 
Will, L . — Gastrulation in the Tortoise 456 
Hasse, C. — Vertebral Column of Triton 457 
Malrer, F . — Development of Connective Tissue in Siredon 457 
Wilson, H. V . — Embryology of the Sea-Bass 457 
Ruokert, J . — Polyspermy in Selachian Ova .. 459 
„ „ Ovarian Ova of Selachii .. 459 
Owsjannikow, Ph . — Development of the Lamprey 460 
/3. Histology. 
Eimer, G. H. T . — Origin and Development of Muscular Tissue 460 
Zander, R . — Present State of the Doctrine of Cell-division 461 
Lowit, M. — Leucoblasts and Erythroblasts 461 
Owsjannikow, Ph . — Structure of Nerve-fibres 462 
Christomanos, A. A., & E. Strossner — Muscle-spindles 462 
Gurber — Relation of Animal Protoplasm to Haemoglobin 462 
y. General. 
Knauthe, K . — Inheritance of Mutilations .. 463 
Andrews, E. A . — Fauna of Jamaica .. 463 
Bateson, W . — Homology 463 
Piccone, A . — Case of Mimetism between an animal and an alga 463 
B. INVERTEBRATA. 
Griffiths, A. B .-^Physiology of Invertebrata .. .. 463 
Mollusca. 
Jousseaume — Malacological Fauna of the Red Sea 464 
Conklin, E. G . — Cleavage of Ovum of Crepidula fornicata 464 
y. Gastropoda. 
Linden, M. von — Movements of Lymnaeus on the Surface of Water 464 
Boutan, L., & E. L. Bouvier — Nervous System of Nerita polita 465 
Pilsby, H. A . — Anatomy of West Indian Helices 465 
Gamble, F. W . — Two rare British Nudibranchs 465 
Plate, L . — Zoological Position of Solenoconcha 465 
Molluscoida. 
a. Tunicata. 
Metcalf, M. M . — Eyes and Subneural Gland in Salpa 166 
Oka, A . — Periodic Regeneration of Upper Half of Body in Diplosomidae .. .. 467 
Korotneff, A. de — Dolchinia mirabilis 467 
Arthropoda. 
a. Insecta. 
Korotneff, A . — Hystolysis and Histogenesis of Muscular Tissue in the Meta- 
morphosis of Insects 468 
Nagel, W . — Loiver Senses of Insects 468 
Bateson, W . — Variation in Colour of Cocoons 469 
Merrifield, F . — Effects of Artificial Temperature on Coloration of Species of 
Lepidoptera 469 
