CONTENTS 
Transactions op the Society — 
PAGE 
XI. — The Foraminifera of the Gault of Folkestone. — IV. 
By Frederick Chapman, F.R.M.S. (Plates VIII. and IX.) 579 
XII. — On the Development of the Continental Form of Micro- 
scope Stand. By J. B. Nias, M.D. (Figs. 89-94) .. .. 596 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA : — Embryology, Histology, and General, 
o. Embryology. 
Henneguy, L. F . — Vitelline Body of BaTbiani in Egg of Vertebrates 603 
Balbiani, E. G . — Centrosome and Yolk-nucleus 603 
Felix, W . — Development of Liver and Pancreas 604 
Robinson, A . — Development of Mustela ferox 605 
Leche, W . — Development of Mammalian Dentition 605 
Hoffmann, C. K . — Development of Urino-genital System in Birds 607 
Mitsukuri, K . — Gastrulation in Chelonia . . 607 
Olt, Ad. — Life-history of Bhodeus amarus 608 
Beneden, Ch. Van — Elimination of Nuclear Elements in Ovarian Ova of Scorpasna 
scrofa 609 
Hertwig, O., & others — Experimental Embryology 609 
Emery, C . — Heredity and the Theory of Descent 610 
KnAlthe, K . — Transmission of Acquired Characters 612 
"Wilckens, M . — Inheritance of Acquired Characters 612 
Wagner, F. von — Ontogeny and Degeneration 612 
Lavocat — The Origin of Species 613 
B. Histology. 
Haswell, W. A . — Decent Views on Protoplasm ... 613 
Hertwig, O . — The Cell 613 
Brauer, A . — Origin of the Centrosoma 614 
Kersohner, L.— Muscle-spindles 614 
Heidenhain, M . — Intercellular Bridges between Smooth Muscle Cells and Epithelial 
Cells 614 
y. General. 
Lwoff, B. — Nerve-cord and Notochord in Amphioxus 614 
B. INVERTEBRATA. 
Mollusca. 
Hedley, C., & H. Suteb — Land and Fresh-water Mollusca of New Zealand . . . . 615 
a. Cephalopoda. 
Jotjbin, L . — Coloration of Integument of Cephalopoda 615 
y. Gastropoda. 
Pilsbry, H. A . — New Classification of Helices .. .. 616 
Andre, E . — Integument of Zonites cellarius 617 
Heymons, R.— Development of Umbrella mediterranea 617 
VaYssiere, A . — Homalogyra ..- 618 
Garstang, W . — Structure and Habits of Jorunna Johnstoni 618* 
Thiele, J . — Branchial Sensory Organs of Patellidse 618 
Simroth, H . — Neomeniidse 618 
5. Eamellibranchiata. 
Janssens, F . — Gills of Lamellibranchs 619 
Molluscoida. 
a. Tunicata. 
Newstead, A. H. L . — Perivisceral Cavity of Ciona 619 
Hjort, J . — Development of Tunicates 619 
y. Brachiopoda. 
Crane, Agnes — New Classifications of Brachiopoda 6^0 
