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CONTENTS. 
SUMMARY OF CURRENT RESEARCHES 
Relating to Zoology and Botany (principally Invertebrata and 
Cryptogamia), Microscopy, &c., including Original Communications 
from Fellows and Others.* 17, 147, 265, 376, 465, 565 
ZOOLOGY. 
VERTEBRATA. 
a. Embryology. page 
Selenka, E . — Inversion of Germinal Layers in Trimates 17 
Schirman, D . — Degeneration of Villi in Large Intestine of Guinea-pig 17 
Willey, Arthur — What is “ Anlage ” ? 17 
Barfurth, D . — Artificially produced Cauda bifida 18 
Jakobsson, J. H . — Foetal Development of the Glomus coccygeum 18 
Wijhe, Van, & Gregory, E. R . — Share of the Ectoderm in Forming the Pronephric 
Duct 18 
Schufeldt, R. W . — Sex in a Brood of Sparrow-hawks 18 
His, W . — Syncytia in Development 18 
Samassa, P . — Effect of Gases on Development 19 
Benda, C . — Spiral Fibre o f Mammalian Spermatozoon 19 
Hertwig, 0. — Theory of Biogenesis 19 
Maurer, F . — Derivatives of the Visceral Clefts in the Lizard 19 
Gronroos — Early Development of Salamander 20 
Symington, Johnson — The Marsupial Larynx 20 
Rawitz, B . — Spermatogenesis of Dog-Fish 20 
Cerf, L. — Heteropagous Monstrosities 20 
Haller, B . — Structure and Development of the Vertebrate Brain 21 
Ewart, J. C . — Experiments on Heredity 147 
Beard, J . — Functions of the Thymus 148 
Hertwig, 0 . — Experimental Embryology 148 
Morpurgo, B. — Post- Embryonic Development of Striped Muscle . . 149 
Gadow, H . — Orthogenetic Variation in Chelonia .. 149 
Stoeckel, W. — Division- Processes in Primordial Ova of an Adult 149 
Peter, K . — Nutritive Cells in Spermatogenesis 149 
Sellheim, H . — Effects of Castrating Cocks and Hens 150 
Charrin, A . — Passage of Toxins from Foetus to Mother 150 
Klaatsch, H . — Intercellular Bridges in Development of Amphioxus 150 
Nishikawa, T . — Embryos of Chlamydoselachus 150 
Noldeke, B . — Endocardiac Epithelium of the Salmon 151 
Bernstein, Z . — Theory of Growth and Fertilisation 151 
Spencer, Baldwin, & G. Sweet — Hairs of Monotremes 151 
Schmidt, R. — Bone- Structure and Inheritance 151 
Dendy, Arthur, & Schauinsland — Development of Sphenodon 265 
Will, Ludwig — Development of Ringed Snake 266 
Carlsson, Albertina — Development of the Teeth in Diprotodont Marsupials .. . . 266 
Adloff, Paul — Development of Teeth in Rodents 267 
Rabl, Carl — Structure and Development of the Lens 268 
Brauer, A . — Development of Gymnophiona 268 
Maurer, F . — Development of Thymus and allied Structures 268 
Sobotta, J . — Formation of the Corpus luteum 268 
Spemann, H . — Eustachian Tube of Frog 269 
Ascoli, Maurizio — Origin of Blood-corpuscles in the Lamprey 269 
Strasser, H . — Regeneration and Ontogeny 269 
Thilenius, G. — Egg-laying and Early Development of Sphenodon 376 
Dendy, Arthur — Parietal Eye and Adjacent Organs 376 
Rabaud, Etienne — Influence of Freezing on Hen’s Eggs 377 
Stratz, C. H . — Structure of the Functional Mammalian Ovary 378 
* In order to make the Contents complete, the papers printed in the ‘ Transactions ’ 
and the Notes printed in the ‘Proceedings’ are included here. 
