( 2 ) 



JOUENAL 



OF THE 



EOYAL MICEOSCOPICAL SOCIETY. 



VOL. III. No. 4. 



CONTENTS. 



Tbansactions of the Society — paob 



XVI. Notes on Aoinetina : Trtchophrya epistylidis, and Podo- 

 PHRYA QUADRiPARTiTA. By John Badcock, F.R.M.S. (Plate 



XIV.) 561 



XVII. On the Visibility of Minute Objects mounted in Phos- 

 phorus, Solution of Sulphur, Bisulphide op Carbon, and 

 other Media. By J. W. Stephenson, Treasurer R.M.S., 



F.R.A.S .. 664 



XVIII. On the Development and Retrogression of Blood-vessels. 

 By George Hoggan, M.B., and Frances Elizabeth Hoggan, 



M.D. (Plate XV.) 568 



XIX. On a Parabolized Gas Slide. By James Edmunds, M.D., 



M.R.C.P. Lond., F.R.M.S. (Figs. 52 and 53) .. .. 585 



Record of Current Researches relating to Invertebrata, 



Cryptogamia, Microscopy, &c. ,. .. .. .. 587 



Zoology. 



Bevelopmeut of the Vertebrate Eye 587 



Embryology of Batrachiuns 587 



Vital Properties of Cells 589 



Coalescence of Amoeboid Cells into Plasmodia 590 



Structure and Development of Dentine 590 



Ovary of Mammals 591 



Influence of Saline Solutions on Protoplasm 591 



" Law of Association' 592 



Degeneration 594 



Animal Development 597 



Colours of Animals 598 



Organisms in Ice from Stagnant Water .. 598 



Fertilization of the Ovum 599 



Renal Organs of Invertebrata 600 



Phylogeny of the Dibranchiate Cephalopoda COl 



Aptychi of Ammonites 604 



Development of the Pulmoimte Gaderopoda 005 



Generative Organs of (he Young Helix aspersa 608 



Gasteropoda from the Troas 608 



Gasteropoda from the Auckland Islands 608 



Marine Polyzoa 609 



Fresh-water Polyzoa 609 



Larva of Bowerhankia 611 



Enldi minaria ducalis 611 



