viii THE VOYAGE OF H.M.S. CHALLENGER. 



The Manuscript was received by me in batches between 18th March 1884 

 and 13th December 1884. 



Part XXXIII. — This Monograph of the genus Serolis is the first instal- 

 ment of a Report on the Isopoda collected during the Expedition, by Frank 

 Evers Beddard, Esq., M.A. (Oxon), Prosector to the Zoological Society of 

 London. 



Mr. Beddard was for nearly two years associated with me in the work of 

 this office, and I embrace this opportunity of acknowledging the very valuable 

 assistance he rendered in connection with the translation and editing of many 

 of the Reports. 



The Manuscript was received on 6th September 1884. 



John Murray. 



Challenger Office, 32 Queen Street,. 

 Edinburgh, .30/7; December 1884. 



