/L 
CONTENTS. 
Transactions of the Society — 
PAG IT 
VI — Patents connected with the Microscope. — 1666-1800. 
By W. H. Brown, Assistant Secretary R.M.S. (Plates 
IV. and V.) 257 
VII. — On the Form and Proportions of the Brain in the Ori- 
batid 2 e and in some other Ac arina. By A. D. Michael, 
President R.M.S., F.L.S. With a Note by E. M. Nelson, 
F.E.M.S. (Plate VI.) 274 
VIII. — Some Details of the First Nuclear Division in the 
Pollen-Mother-Cells of Lilium Martagon L. By 
Ethel Sargant. Communicated by D. H. Scott, Ph.D., 
F.R.S., F.R.M.S. (Figs. 42-51) 283 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
VERTEBRATA : — Embryology, Histology, and General, 
a. Embryology. 
Parker, W. N . — Ancestry of Vertebrates 288 
Dietlein, W . — Succession of Teeth in Man 288 
Zondek, M . — Development of Auditory Ossicles 289 
H eape, W . — Menstruation of Semnopithecus Entellus 289 
Sobotta, J . — Corpus Luteum of Mouse 290 
Schultze, O . — Double Monsters 290 
Chomiakoff, M . — Development of Tarsus of Pelobates fuscus 290 
Fulleborn, F . — Development of Amia, Lepidosteus , and Necturus 290 
Semon, R . — Gills of Ceratodus Embryos 291 
Sabatier, A . — Spermatogenesis of Selachians .. .. 291 
Coggi, A . — Cephalic Neural Crest of Selacldi 291 
Cunningham, J. T .— Development of Egg in Flat-fishes and Pipe-fishes 291 
Sobotta, J . — Pronephros of Salmonidae . . . . .* 292 
/3. Histology. 
Roux, W . — Cytotropism 292 
Schoen, W . — Zonula and Ora Serrata 298 
Arnstein, C . — Endings of Secretory Nerves 293 
Boheman, H . — Intercellular Bridges of Smooth Muscle 293 
Rawitz, B . — Centrosome and Attraction-Sphere in the Besting Cell 293 
Druner, L . — Mechanism of Cell-Division ' 294 
Stsicht, O. Van der — Nuclear Structure and Division 294 
Kanthack, A. A., & W . B. Hardy — Wandering Cells of the Frog 294 
Schlater, G . — Morphology of the Cell 295 
y. General. 
Foster, Michael — General Physiology 295 
Thomson, J. Arthur — Outlines of Zoology 295 
Agassiz, A. — Vertical Distribution of Pelagic Life 295 
Emery, C . — Theory of Descent and Heredity 296 
Wolff, G . — Darwinism and Experiment 296 
Packard, A. S . — Inheritance of Acquired Characters 297 
„ „ Subterranean Fauna of North America 297 
Macallum, A. B . — Distribution of Assimilated Iron Compounds in Animal and 
Vegetable Cells 298 
Mobius, C . — Nests of Pelagic Fishes 298 
Tunicata. 
Garstang, W . — Budding in Tunicata 298 
Pizon, A . — Development of the Nervous System and Vibratile Organ in Larvae of 
Compound Ascidians 299 
a 
