PREFACE. 
The present volume contains descriptions of the following groups of Indian fossil 
mammals ; viz. y the rhinoceroses and horses ; certain Proboscidia ; the giraffe-like 
and sivatheroid animals ; a group of Pig-like Artiodactyle Ungulates ; and the 
Carnivora. It will thus be seen that the order of the parts follows no systematic 
arrangement ; the different groups having been taken up as materials accumulated. 
It will also be noticed that in the majority of cases the remains described are either 
teeth, jaws, or skulls; this circumstance being due to the following causes. In the 
first place, since the remains of Siwalik animals are nearly always found disassociated, 
with the long-bones generally broken, while in many of the genera there are 
numerous species often closely agreeing in respect of size, there is usually no kind 
of clue towards assigning individual bones to their respective species, even when 
they are generically determinable ; so that under these circumstances in many 
instances nothing would be gained by describing them. In the second place, the 
quantity of remains of Siwalik vertebrates in the Indian' Museum is so great that 
to attempt a description of anything like the whole collection would simply swamp 
the present arrangements for publication. The plan hitherto followed has been to 
describe the more important and characteristic remains of each species, in the 
manner best adapted in the writer’s opinion to display its general affinities. 
It is only by adopting some such restrictions that it will be possible (if the present 
arrangement be continued) to give a general survey of the whole Siwalik Fauna. 
It is hoped that palaeontologists will find the execution of the plates of the last 
two parts more satisfactory than some of those of the earlier parts, many of which 
were drawn and lithographed by native artists. 
In regard to the same parts, I have to return my thanks to Dr. Henry 
Woodward, LL.D., F.R.S., Keeper of the Gfeological Department of the British 
Museum, for access to, and the liberty to figure the specimens under his charge. 
To Prof. Flower, LL.D., F.R.S., Curator of the Museum of the Royal College of 
