JOUENAL 



OP THE 



EOYAL MICEOSCOPICAL SOCIETY. 



VOL. II. No. 6. 



CONTENTS. 



Tbansactions of the Society — pagb 



XXX. OnaNewSpeoiesopCothubnia. By John Davis, F.K.M.S. 



(Plate XX.) 653 



XXXI. On some Causes of Beownian Movements. By William 



M. Ord, M.D. Lond., r.E.M.S., &c 656 



XXXn. Observations suggested by the Study of Amphipleura 



PBLLUCIDA, mounted IN CanADA BaLSAM, BY LaMPLIGHT 



AND Sunlight, with various Objectives. By J. J. 

 Woodward, Surgeon and Brevet Lieutenant- Colonel 

 U.S. Army, Hon. F.R.M.S 663 



XXXIII. Note on Abbe's Experiment on Pleueosigma angulatum. 



By J. J. Woodward, Surgeon and Brevet Lieutenant- 

 Colonel, U.S. Army, Hon. F.E.M.S 675 



XXXIV. New Species and Varieties op Diatomace^ from the 



Caspian Sea. By A. Grunow, Hon. F.E.M.S. Trans- 

 lated with additional Notes by F. Kitton, Hon. F.E.M.S. 

 (Plate XXL) 677 



Eeoord of Current Eesearches relating to Invbetbbeata, 



Cryptogamia, Microscopy, &c. ., .. .. .. .. 692 



Zoology. 



Cell-division in Animals 692 



Development of the Ribs and the Transverse Processes 693 



Connective Tissue 694 



Sexual Organs of Teleostei 694 



Evolution of the Embryo in Eggs put to incubate in warm water 696 



Mechanical Genesis of Tooth Forms 696 



Befractive Potoers of Animal Tissues 697 



Innervation of the Bespiratory Organs 697 



Ovary and the Corpus Luteum 698 



Natural Science Prizes, Danish Academy 699 



Klein and Smith's Atlas of Histology 700 



Fauna of Kerguelen's Land 700 



