CONTENTS. 
Transactions of the Society — PAOK 
IX. — Note on the Process of Oviposition as observed in a 
Species of Cattle Tick. By R. T. Lewis, F.R.MS. 
(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 . — The Yolk-organ of Vertebrata 456 
Oppel, A . — Fertilization of Reptilian Ova 456 
Will, L .—Gastrulation in the Tortoise 456 
Hasse, 0. — Vertebral Column of Triton 457 
Mac re r, F . — Development of Connective Tissue in Siredon 457 
Wilson, H. V . — Embryology of the Sea-Bass 457 
Rcokert, J . — Polyspermy in Selachian Ova 459 
„ „ Ovarian Ova of Selachii 459 
Owsjannikow, Ph . — Development of the Lamprey . . 460 
jS. 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 Erytlir oblasts 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. 
Knautiie, 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 Lymnseus on the Surface of Water 464 
Boutan, L., & E. L. Bouvier — Nervous System of Nerita polit a .. 465 
Pilsby, H. A . — Anatomy of West Indian Helices 465 
Gamble, F. W . — Too rare British Nudibranchs 465 
Plate, L . — Zoological Position of Solenoconcha 465 
Molluscoida. 
a. Tunicata. 
Metcalf, M. M . — Eyes and Subneural Gland in Salpa 466 
Oka, A . — Periodic Regeneration of Upper Half of Body in Diplosomidte .. .. 467 
Korotneff, A. de — Dolchinia mirabilis 467 
Arthropoda. 
a . Inseeta. 
Korotneff, A—Hysfolysis and Histogenesis of Muscular Tissue in the Meta- 
morphosis of Insects 468 
Nagel, W . — Loioer 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 
