Vlll CONTENTS. 



SUMMARY OF CURRENT RESEARCHES 



Relating to Zoology and Botany (principally Invertebrata and 

 Cryptogamia), Microscopy, &c., including Original CoMMrNiCATiONS 

 FROM Fellows and Others.* 19, 146, 285, 411, 532, 658 



ZOOLOGY. 

 VEBTEBRATA. 



a. Embryoloery. 



PAGE 



Gerlacb, L. — Maturation in M us mui'culus 19 



StRTCHT, O. VAN DEK — Ovumo/Biit 19 



Ballowitz, E. — Syzygy of Spermntozna in Dasypus villoeus 19 



Tellyesniczky, K. — So-called Conjugation of Spermatozoa and Sertoli's Cells .. 20 



Ballowitz, E. — Ileteramorphoua Spermatozoa iti Raiia muta 20 



KuCKCCK, M. — Theory of Maturation 20 



Walkek, C. E., & Alice L. Embletox — Origin of the Sertoli or Foot-cells of the 



Testis 20 



Walkek. C. E. — Observation'' on Life-history of Leucocytes 20 



LocY. W. ('. — Aortic Archex in Vertebrates 21 



Muller, Charlotte — Development of Human Thorax 21 



Strahl, H. — Placental Syncytia 21 



„ Uterus of Hedgehog after Parturition 21 



Harrison, R. (t. — Development of Peripheral Nerves 22 



BoLK, L. — Development of Huuiiin Cerebellum 22 



Bracn, W. — Development of Pa7icrea!< in Alytes ohstetricans 22 



ScHEis,E.— Weight of Htt'is Eggs 22 



Woodward, A. Smith — Ichthyosaurus 7vith Embryos 23 



Davenport, C. B. — Evolutiomcithout Mutation 23 



Blacl: Sheep in the Flock 23 



DeljlKGK, Yves— Artificial Parthenogenesis . 146 



BcGNioN, E., & N. PoPOKF — Significance of Sperni-bundles 147 



Lois el, G. — Fasciculation of Spermatozoa 147 



Kupelweiser, Hans — Influence if Molluscan Spermatozoa on Ova of Sea Urchins 147 



Eterxod, a. C. F. — Gaxtrulation in General and in Mammals in Particular .. 147 



Schlater. G. — Blastodermic Vesicle of Mammals 148 



BoNNOT, E., & R. Seevers — Structure of Early Human Embryo 148 



Wilson, J. T.. & J. P.Hill — Development of Ornithorhynchiis 148 



Twining, G. H. — Embryonic History of Carotid Arteries in Chick 149 



Jelgersma, G. — Origin of the Vertebrate Eye 149 



Hagmann, G. — Eggs of Reptiles 149 



Oeder, R. — Buccal Glandit and Dental Strands in Anura .. .. 149 



Kerk. J. Graham — Suggestions from the Embryology of Fishes . . ' 150 



Larrabee, a. p., & W. E. Castle — Ojdic Chia»ma oj Teleosts 151 



CoHN. L. — Development of Tentacular Duct of Xenopus 151 



TiKHENKO. S. — Origin of Mesenchyme in Sturgeon 151 



Leonhardt, E. — Deformity of Head in Ahramis vimba 152 



BoHN, G., & A. Drzewixa — Action of Diluted Sea-icater on Frogs' Ova and Larvae 285 



WiNTREBERT, P. — Action of Radium Emanation on Development of Frogs .. .. 285 



Schreiner, A. & K. E. — Studies 071 Chromatin Maturation of Sex Cells 285 



GuTHERZ, S. — On Heterochromosomes .. •• 286 



Bergonie. J., & L. Tribondeac — Interstitial Gland of Ovary 286 



Lambert — Action of Corpus Luteum Extract 286 



* In order to make the Conlents complete, the papers printed in the ' TransactionB ' 

 ftud the Notes printed in the 'Proceedings' are inclmled here. 



