THE BULLETIN OF THE BRITISH MUSEUM 
(NATURAL HISTORY), mnstituted im 1949, 1s 
issued in five series corresponding to the Departments 
of the Museum, and an Historical series. 
Parts will appear at irregular intervals as they become 
veady. Volumes will contain about three or four 
hundred pages, and will not necessarily be completed 
within one calendar year. 
In 1965 a separate supplementary series of longer 
papers was instituted, numbered serially for each 
Department. 
This paper is Supplement 7 of the Geological 
(Palaeontological) series. The abbreviated titles of 
periodicals cited follow those of the World List of 
Scientific Periodicals. 
World List abbreviation 
Bull. Br. Mus. nat. Hist. (Geol.) Suppl. 
© Trustees of the British Museum (Natural History) 1969 
TRUSTEES OF 
THE BRITISH MUSEUM (NATURAL HISTORY) 
Issued 3 October, 1969 Price £6 Ios, 
