I ! 
CONTENTS. 
SEP 1 
TRANSACTIONS OF THE SOCIETY. 
YII. — On an Addition to the Methods of Microscopical Research, 
by a new Way of Optically producing Colour-Contrast 
between an Object and its Background, or between 
Definite Parts of the Object itself. By J. Rheinberg 
(communicated by E. M. Nelson, F.R.M.S.). (Plates IX. 
and X.) 
VIII. — The Royal Microscopical Society’s Standard Screw- 
Thread for Nose-Piece and Object-Glasses of 
Microscopes. Being the Report of a Sub-Committee 
of tlie Council, drawn up by Conrad Beck, F.R.M.S., 
Secretary to the Sub-Committee (Fig. 75) 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VERTEBRATA. 
a. Embryology. 
Samassa, P. — Evolution and Epigenesis 
Morgan, T. H., & others — Experimental Biology 
Supino, F . — Experimental Teratogeny 
Wilson, E. B., & others — Atlas of the Fertilisation and Karyokinesis of the 
Ovum 
Bardeleben, K. von — Spermatogenesis 
Swaen, A . — Development of Liver and Adjacent Parts 
Schmidt, H . — Normal Hypertliely in Human Embryos 
Spee — Glandular Character of Umbilical Vesicle 
Wilson, Greg — Mullerian Duct of Crocodile 
Mitsukuri, K. — Oviposition of the Snapping Turtle 
Russell, J. B . — Blastopore of Frogs ’ Eggs 
0. Histology. 
Flemming, W. — Mechanism of Cell-Division 
Zanier, G. — Altmann’s Granula 
Catterina, G . — Structure of Nucleus 
Gulland, G. L . — Granular Leucocytes 
Sihler, Chr. — Muscle- Spindles and Nerve-Endings 
Dehler, A . — Sympathetic Ganglion- Cells of the Frog 
Williams, J. L . — Formation and Structure of Dental Enamel 
y. General. 
Emery, C . — Homology and Atavism 
Capranica, S . — Biological Action of Rontgen's Rays 
Tunicata. 
Caullery, M . — Polymorphism of Buds in Colella 
INVERTEBRATA. 
Owsjannikow, P. — Blood- Corpuscles 
Bedot, M . — Stinging Cells 
Mollusca. 
Dall, W. H. — Deep-Water Mollusca 
Sturany, R. — Mollusca of Austrian Deep-Sea Expeditions, 1890-94 
Tate, R., & C. Hedley — Mollusca of Centred Australia 
a. Cephalopoda- 
Neri, F . — Beales of Cephalopods 
y. Gastropoda. 
Baker, F. C . — New Classificcdion of Muricidw 
Brachiopoda. 
Dall, W. H. — Deep-Sea Brachiopoda 
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