PREPAC HK 
Few who have studied the literature of British 
Zoology can have failed to remark the gap which 
exists between Owen’s “ British Fossil Mammals and 
Birds,” and Bell’s “ British Quadrupeds ;” the former 
dealing chiefly with prehistoric remains, the latter 
with species which are still existing. 
Between these two admirable works a connecting 
link, as it were, seems wanting in the shape of a 
history of such animals as have become extinct in 
Britain within historic times, and to supply this is the 
aim of the present writer. 
Of the materials collected, during many years of 
research, some portion has been already utilized in a 
Lecture delivered by the author before the “ Hert- 
fordshire Natural History Society,” in October, 1879, 
and in several articles in the Popular Science Review 
and the natural history columns of The Field. 
The exigencies of time and space, however, neces- 
* Popular Science Review, 1878, pp. 53, 141, 251, 396; and The Field, 
1879; Sept. 27; Oct. 4,11; Nov. 1, 8,29; Dec. 20 and 27. 
SEATS 
