7 '.L ->V,' . (^ / , 



New Series, No. LXXXI. 



JANUARY, 1881. 



THE 



Price 7s. 6d. 



QUARTERLY JOURNAL 



OP 



MICROSCOPICAL SCIENCE. 



BDITBD BT 



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



Fellow of Exeler CuUeye, Oxford, and Professor of /oohi/)/ and Conqjurative Anatomy in Uuireisiti/ 



CoUeije, London ; 



WITH THE CO-OPKKATION OF 



r. M. BALFOUR, M.A., F R.S., F.L.S., 



Fellow and Lecturer of Trinity College, Cambridt/e. 



W. T. THISELTON DYER, MA., F.R.S., F.L.S. 



Assistant Director of the Itoyal Gardens, Kew. 



AND 



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



Lecturer oh Histology in St. Baitholoinew's Hospital Medical School, London. 

 WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON^: 

 J. & A. CHURCHILL, NEW BURLINGTON STREET. 



MDCCCLXXXI. 



E. Adkrd.j 



l_B(inliolumew tloif. 



