CONTENTS. 
Transactions of the Society — 
PAGB 
VIII. — Notes on some of the Digestive Processes in Arachnids. 
By Henry M. Bernard, M.A. Cantab., &c. (Plate VI.) .. 427 
IX. — On Floscularia pelagioa sp. n., and Notes on several 
other Rotifers. By Charles F. Bousselet, F.R.M.S. 
(Plate VII.) 444 
X. — List of New Rotifers since 1889. By Charles F. Rous- 
selet, F.R.M.S. 450 
SUMMARY OF CURRENT RESEARCHES. 
ZOOLOGY. 
A. VERTEBRATA : — Embryology, Histology, and General. 
a. Embryology. 
Henneguy, L. F . — Parthenogenetic Segmentation of Ova of Mammals 459 
Perenyi, J . — Origin of Mesoderm 459 
Schottlaender, J . — Origin and History of the Graafian Follicle 460 
Fleischmann, A . — Placenta of Rodents 460 
Willey, A . — A Duck with Drake’s Plumage 461 
Scheel, C . — Development of the Teleostean Vertebral Column 461 
Goeppert, E . — Development of the Pancreas 461 
j8. Histology. 
Van der Stricht, O . — Attractive Sphere 462 
Bizzozero, G . — Nuclear Division in Cut Nerve-fibres 462 
Kallius, E. — Neuroglia-cells in Peripheral Nerves 462 
Frenzel, J. — Cell-multiplication and Replacement *. .. 462 
y. General. 
Lilienfeld, L., & A. Monti — Phosphorus in the Tissues 463 
B. INVERTEBRATA. 
Mollusca. 
y. Gastropoda. 
Griffiths, A. B . — Olfactory Organs of Helix 463 
Bergh, R . — Opisthobranchs of the 1 Hirondelle ’ 463 
Wackwitz, J . — Histology of Muscle in Heteropods and Pteropods 463 
Hedley, E . — Range of Placostylus 464 
5. Lamellibranchiata. 
Chatin, J . — Ocular Nerves of Spondylus gcederopus 464 
Lotsy, J. P . — Food of Oysters , Clams , and Mussels 464 
Boehm, G . — Pedal Impression of Pachyerisma .. .. 464 
„ „ Lithiotis problematica Giimbel 464 
Molluscoida. 
a. Tunicata. 
Salensky, W . — Origin of Metagenesis in Tunicata 464 
Jourdain, S . — Deglutition in Synascidise 465 
Salensky, W . — Nervous System in Embryos of Distaplia 465 
Brooks, W. K . — Origin of Organs of Salpa 466 
„ „ Nutrition of Embryo of Salpa 467 
Metcalf, M. M . — New Species of Octacnemus 467 
B. Bryozoa. 
Gregory, J. W . — Classification of Cheilostoma 467 
y. Brachiopoda. 
Blochmann, F . — Structure of Brachiopoda 468 
Arthropoda. 
a. Insecta. 
Buckler, W., & others — Larvae of British Butterflies and Moths 468 
Watson, E. Y . — Classification of Hesperiidse 468 
