CONTENTS.

TRANSACTIONS OF THE SOCIETY

VIII. THE FORAMINIFERA OF THE RED CHALK OF YORKSHIRE,
NORFOLK, AND LINCOLNSHIRE. By H. W. Burrows, C.
Davies Sherborn, and the Rev. Geo. Bailey. (Plates
VIII-XI.)

IX.-NOTE ON A NEW TYPE OF FORAMINIFERA OF THE FAMILY
CHILOSTOMELLIDE. (Fig. 60.) By Henry B. Brady, LL.D.,

F.R.S.

SUMMARY OF CURRENT RESEARCHES.

ZOOLOGY.

A. VERTEBRATA:-Embryology, Histology, and General.

a. Embryology.

GULICK, J. T.-Inconsistencies of Utilitarianism as the Exclusive Theory of Organic

Evolution..

HOUSSAY, F.-Embryology of Vertebrates

TURNER, W.-Placenta of Dugong ..

M'INTOSH, W. C., & E. E. PRINCE-Development and Life-histories of Teleostean
Food- and other Fishes ..

B. Histology.

BATAILLON, M. E.-Nuclear Modifications which affect the Nucleolus
FLEMMING, W-Division of Pigment-cells and Capillary Wall-cells ..

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B. INVERTEBRATA.

STEINER, J.-Functions of Central Nervous System of Invertebrates..

MARENZELLER, E. v.-German Names for Porifera, Colenterata, Echinoderms, and
Worms

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Mollusca.

NORMAN, A. M.-Revision of British Mollusca

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RAWITZ, B.-Sensory Organs of Lateral Line and Nervous System of Mollusca

CUENOT, L.-Gland of Auricle in Paludina, and Nephridial Gland in Murex
FISCHER, P., & E. L. BOUVIER-Mechanism of Respiration in Ampullariidæ
DUBOIS, R.-Olfactory Sense of Snails

PRUVOT, G.-New Neomenia from the Mediterranean..

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8. Lamellibranchiata.

PELSENEER, P.-Identity of Composition of Nervous System of Lamellibranchiata and other Molluscs

M'ALPINE, D.-Progress and Rotation of Bivalve Molluscs and of Detached Ciliated

Portions

RANKIN, W. M.-Organ of Bojanus in Anodonta cygnea
VILLEPOIX, MOYNIER DE-Repair of Test of Anodon

Molluscoida.

y. Brachiopoda.

FISCHER, P., & D. P. OEHLERT-Stratigraphical Distribution of Deep-Sea Brachiopods

Arthropoda.

SCHIMKEWITSCH, W.- Signification of Vitelline Cells in Tracheata

a. Insecta.

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EXNER-The Retinal Image of the Insect Eye (Figs. 61-71)
DUBOIS, R.-Secretion of Silk in Bombyx mori
VERSON, E.-Parthenogenesis of the Ova of Bombyx
BRANDT, E. K.-Anatomy of Sesia tipuliformis and Trochilium apiforme
BONSDORFF, A. VON-Sculpturings on Elytra of Coleoptera..
MAYER, P.-Germinal Vesicle of Flies

CAMERON, P.-British Phytophagous Hymenoptera
WOOD-MASON, J.-Viviparous Caddis-fly

HENNEGUY, L. F.-Ovarian Envelope of Phyllium

BOUVIER, E. L-Circulatory System of Carapace of Decapod Crustacea
PARKER, G. H.-Histology and Development of Eye of Lobster..
ROULE, L.-Blastoderm of Isopoda

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M'INTOSH, W. C.-Occurrence of Pelagic Annelids and Chatognaths in St. Andrews
Bay throughout the Year
CUNNINGHAM, J. T., & G. A. RAMAGE-Polychaeta Sedentaria of Firth of Forth

IVES, J. E.-Arenicola cristata and its Allies..
BUCHANAN, F.-Hekaterobranchus Shrubsolii
BENHAM, W. B.-Classification of Earthworms
Atrium or Prostate

BEDDARD, F. E.-Anatomy of Moniligaster

ROULE, L.-Development of Germinal Layers of Tabicolous Gephyrea

B. Nemathelminthes.

JAMMES, L.-Histology of Ascaris ..

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7. Platyhelminthes.

BURGER, O.-Anatomy and Histology of Nemertines

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8. Incertae Sedis.

WESTERN, G.-Philodina macrostyla and Rotifer citrinus ..

HERBERT, P.—Anatomical Nomenclature of Echinoderms

LUDWIG, H., & L. CUENOT-Function of Madreporic Plate and Stone-canal of
Echinodermata

PROUHO, H.-Function of Gemmiform Pedicellariæ of Echinoids
GREGORY, J. W.-Rhynchopygus woodi ..
PROUHO-Sense of Smell in Starfishes

Porifera.

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MACKAY, A. H.-Freshwater Sponges of Canada and Newfoundland

Protozoa.

DANGEARD, P. A.—Ophrydium versatile and its Zoochlorellæ

Observations on Acinetina
Notes on Flagellata

BALBIANI, E. G.-Loxodes

DANGEARD, A. P.-Cryptomonadina and Euglena

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BRUYNE, C. DE-Monadina and Chytridiacea Parasitic on Algæ
THELOHAN, P.-Coccidia of Stickleback and Sardine

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BOTANY.

A. GENERAL, including the Anatomy and Physiology
of the Phanerogamia.

a. Anatomy.

(1) Cell-structure and Protoplasm.

ZIMMERMANN, A.-Morphology and Physiology of the Cell
BEHRENS, J.-Processes of Growth in the Vegetable Cell
BOKORNY, T.-Reactions of Cytoplasm
LANGE, G.-Quantitative Estimate of Cellulose
MEYER, A.-Alkalinity of Protoplasm

GUIGNARD, L.-Localization of the Principles of Hydrocyanic Acid
SCHAR, E.-Distribution of Chemical Substances in Plants..

HABERLANDT, G.-Gluten-layer in the Endosperm of Grasses

LIGNIER, O.-Decortication of the Stems of Calycanthacea, Melastomacer, and

Myrtaceæ..

BLASS, J.-Function of the Sieve-portion of Vascular Bundles
PASQUALE, B.-Special Elements in Glycine sinensis
LANGE, G.-Constituents of Lignin

DELPINO, F.-Monocentric and Polycentric Flowers
BARBER, C. A.-Change of Flowers to Tubers
HALSTED, B. D.-Stamens of Solanaceæ..
SCHÄFER, B.-Development of Ovary and Placenta
DANIEL, L.-Bracts of the Involucre of Composite
GARCIN, A. G.-Stone of Drupes

CELAKOVSKY, L.-Cupule of the Beech and Chestnut
FARMER, J. B.-Stomates in the Fruit of Iris

MATTIROLO, O.-Integument of the Seed of Papilionacex

TSCHIRCH, A.-Absorbing-organs of the Seeds of Scitaminex
KUMM, P.-Anatomy of Cotyledons..

LEIST, K.-Influence of Alpine situations on leaves
LAMBORN, R. H.-Knees of Taxodium distichum..
ARCANGELI, G.-Spines and Emergences of Euryale
SORAUER, P.-Intumescences..
JOST, L.-Tuber of Corydalis ..

MÜLLER, F.-Production of Fruit without Fertilization

(1) Reproduction and Germination.

SCOTT-ELLIOTT, G. F.—Ornithophilous Flowers
LOEW, E.-Insects as Fertilizers
ROBERTSON, C.-Flowers and Insects
MARILAUN, A. KERNER V.-Dichogamy

GIAUD, A.-Conversion of a bisexual into a diacious Plant
TRABUT, L.—Strengthening of the Sexuality of a Hybrid ..

ARCANGELI, G., F. DELPINO, & U. MARTELLI-Fertilization of Arum and Dracun

culus..

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COBELLI, R. Fertilization of Brassica oleracea
GREEN, J. R.-Germination of Jerusalem Artichoke

(2) Nutrition and Growth (including Movements of Fluids).

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HIRSCH, W.--Transport of Reserve-materials from the Endosperm to the Embryo.. 630
ASKENASY, E.-Relation between Temperature and Growth
ARCANGELI, G.-Growth of the Leaf-stalk in Water-plants
WEBER-Theory of Growth in Height

KÜNDIG, J.-Apparatus for illustrating the Growth of Plants
CURTEL, G.-Transpiration and Assimilation

ACTON, E. H.-Assimilation of Carbon by Green Plants

BOEHM, J.-Cause of the Movement of Water in Transpiring Plants
VERSCHAFFELT, E. & J.-Transpiration..

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(4) Chemical Changes (including Respiration and Fermentation).
BROWN, H. T., & G. H. MORRIS--Chemical Changes during Germination
HECKEL, E.-Transformation of the Alkaloids during Germination
LAWES, J. B., & J. H. GILBERT-Fixation of Free Nitrogen

IWANOWSKY, D., & W. POLOFTZOFF" Pock-disease" of Tobacco

B. CRYPTOGAMIA.

Cryptogamia Vascularia.

BIELAJEW, V. W. J.-Male Prothallium of Azolla

BUSGEN, M.-Fructification of Marsilea

CAMPBELL, D. H.-Germination of the Megaspore of Isoetes

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