New Series, No. LXXXVII. {,^ /- 



JULY, 1882. 



Frice 7i5» 6d. 



THE 



QUARTERLY JOURNAL 



MICROSCOPICAL SCIENCE. 



KUITKI) BV 



E. RAY LANKESTER, M.A., F.E.S., F.L.S., 



Fellow of Exeter College, Oxford, and Jodrell Professor of Zoology in Vnhersily College, 



London; 



WITH THK CO-OPERATION OF 



F. M. BALFOUE, LL.D., F.R.S., F.L.S., 



Fellow of Trinity College, and Professor of Animal Moryholoi/y in the University of Camhridye. 



W. T. THISELTOJS' DYER, M.A., C.M.G., F.R.S,, F.L.S., 



Assistant Director of the Hoyal Gardens, Keiv. 



AND 



E. KLEIN, M.D., F.R.S., 



Lecturer on Histology in St. Bartholomew's Hospital Medical School, London. 

 WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON: 

 J. & A. CHURCHILL, NEW BURLINGTON STREET. 



MDCCCLXXXII. 



R. Adlard.j 



[Bartliolomew Close. 



