PREFACE. 
lv 
CIRRIPEDIA Pror. GRUVEL. 
MyzosToMa Pror. v. GRAFF. 
ACARI Dr. TROUESSART. 
CoLLEMBOLA Pror. CARPENTER. 
PoLyYCcHATA Pror. EHLERS. 
GEPHYRZA Mer. A. E. SHIPLEY. 
CHAZTOGNATHA Dr. Fow er. 
NEMERTINES Pror. HUBRECHT. 
Free PLATYHELMINTHES Mr. F. F. Larpiaw. 
CESTODA Mr. A. E. SHIPLEY. 
NEMATODA Dr. v. Linstow. 
ZOANTHARIA : : Mr. Cruse. 
ALCYONARIA AND PENNATULIDA Pror. Hickson. 
HypDROMEDUS Mr. HE. T. Brown. 
CALCAREOUS SPONGES Mr. FREweEN JENKIN. 
RADIOLARIA ; ‘ Mr. Lewis H. Govex. 
Mosszs_. ; : ; 3 . . M. Juxes Carport. 
LiIcHENS Mr. DarBISHIRE. 
Ate (Marine) . Mrs. Gepp. 
ALGa (FRESH-WATER) . Dr. Fritsca. 
Aaa (CALCAREOUS) Dr. Fostiz. 
PHYTOPLANKTON . Dr. Lewis H. Govueu. 
The work of securing the assistance of these specialists and of distributing the 
collections has been performed by Mr. Jeffrey Bell, of the Zoological Department, who 
has also acted as sub-editor of the Zoological and Botanical portions of the reports. 
The Keeper of Minerals, Mr. Fletcher, has superintended the reports in the subjects 
belonging to his department. 
The Director desires to acknowledge the ability and energy which have been 
brought to bear on the preparation of the Zoological reports by Mr. Jeffrey Bell. 
Owing to his care, the reports have been got ready by the various contributors and 
published within a reasonable time after the return of the ‘ Discovery’ from the 
Antarctic Regions. Neither trouble nor expense has been spared in order to 
render the illustration and presentation of the Natural History of the Expedition 
worthy of the generous efforts both of Captain Scott and his fellow-explorers and 
of those who provided the funds for that enterprise. 
E. Ray LANKESTER. 
October, 1906. 
