QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE 



EDITED BY 



JOSEPH PRANK PAYNE, M.B. Oxoy., B.Sc. Lond., 



Fellow of Marjdalen College, Oxford ; Assistant Physician to, and Lecturer on Morbid 

 Anatomy at, St. Thomas's Hospital ; 



E. RAY LANKESTER, M.A., 



Fellow of Exeter College, Oxford. 



VOLUME XII.— Neav Seeies. 

 Ilhtstrations oir Saloob anb ^(one. 



LONDON 

 J. & A. CHURCHILL, NEW BURLINGTON STREET. 



1872. 



