THE ANATOMY OF THE MADREPORARIA. 
57 7 
The Anatomy of the Madreporaria : I. 
By 
G. Herbert Fowler, B.A., 
Keble Coll., Oxon., Berkeley Fellow of the Owens College, Manchester. 
With Plates XL, XLI, and XLII. 
By the kindness of Professor H. N. Moseley I have been 
enabled to study the anatomy of certain Madreporaria obtained 
by him during the voyage of H.M.S. “ Challenger/’ As in 
lecture-courses and text-books but little information is given 
relative to this ancient and interesting group, and the few 
papers on the subject are scattered, a short sketch of the more 
recent researches is prefixed to my own results. Two forms 
only are described in this paper, Flabellutn patagonichum 
and Rhodopsammia parallela; others, it is hoped, will 
follow shortly. Throughout the text will be reduced as far as 
possible. 
An acquaintance with the anatomy and development of an 
ordinary Actinia is presupposed in the reader, this being the 
type by which comparisons are made ; but a list of the more 
technical names used to describe the anatomical parts of the 
polyp is given, with their synonyms for the use of those 
desirous of cousulting the literature of the subject. 
