THE 
GENERA AND SPECIES 
OF 
B LAST O I D E A, 
WITH A 
LIST OF THE SPECIMENS 
IN THE 
BRITISH MUSEUM (NATURAL HISTORY). 
~K . 
BY 
F. A. BATHER, M.A., F.G.S., 
OF THE GEOLOGICAL DEPARTMENT. 
LONDON: 
PRINTED BY ORDER OF THE TRUSTEES. 
SOLD BY 
LONGMANS & Co., 39 PATERNOSTER ROW, E.C. ; 
B. QUARITCH, 15 PICCADILLY, W.; DULAU & Co., 37 SOHO SQUARE, W. ; 
KEGAN PAUL, TRENCH, TRUBNER, & Co., CHARING CROSS ROAD, W.C.; 
AND AT THE 
BRITISH MUSEUM (NATURAL HISTORY), CROMWELL ROAD, S.W. 
1899. 
22 April 
All rights reserved . 
toAi (£3^ 2 ms. 
