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New Series, No. LXXXIII. 



Price 78, 6d. 



JULY, 1881. 



THE 



QUARTERLY JOURNAL 



OF 



MICROSCOPICAL SCIENCE 



KDITBD BY 



E. EAY LANKESTEE, M.A., F.E.S., F.L.S., 



Felluw of Exeter College, Oxford, and Professor of Zoology and Comparalhe Anatomy in Uidtersity 



College, London ; 



WITH THK CO-OPKKATION OF 



E. M. BALFOUE, M.A., F.E.S., F.L.S., 



Fellow and Lecturer of Trinity College, Cambridge. 



W. T. THISELTOX DYEE, MA., F.E.S., F.L.S. 



Assistant Director of the Royul Gardens, Kew. 



AND 



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



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

 WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON WOOD. 



LONDON: 

 J. & A. CHUECHILL, NEW BUELINGTON STEEET. 



MDCCCLXXXr. 



J. £. Adkrd.j 



[Bartholomew Close 



