CONTENTS. 
PART IV.—1871. 
XVII. Notes on the Reptiles, Amphibia, Fishes, Mollusca, and Crustacea obtained during 
the voyage of H.M.S. ‘ Nassau’ in the years 1866-69. By RoBERT O. Cux- 
NINGHAM, M.D., F.L.S., C.M.Z.S., ee 7 Natural m Queen's Ool- 
T Belfast . i i page 465 
XVIII. Revision of the Genus Cassia. By GEORGE BENTHAM, Esq., F.R.S., P.L.S. 503 
XIX. Contributions to the Natural History of the Passifloracee. By M. T. Masters, 
MD, PES, bs, ye... GS UY es 593 
