Delineations of the Ox Tribe: The Natural History of Bulls, Bisons, and Buffaloes. / Exhibiting all the Known Species and the More Remarkable Varieties of the Genus Bos.

THE SANGA OR GALLA OX OF ABYSSINIA, v. p. 120.
LONDON: PUBLISHED BY G. BIGGS, 421, STRAND. 1851.
TO WILLIAM YARRELL, Esq., F.L.S., F.Z.S., WHOSE SCIENTIFIC WORKS ON ZOOLOGY PLACE HIM IN THE FIRST RANK OF NATURALISTS; AND, MOREOVER, WHOSE UNOSTENTATIOUS KINDNESS IN CONSULTING THE FEELINGS AND ADVANCING THE INTERESTS OF OTHERS IS RARELY EQUALLED, This Volume is inscribed, BY HIS SINCERE FRIEND AND ADMIRER, THE AUTHOR.

The primary object of the present work, is to give as correct and comprehensive a view of the animals composing the Ox Tribe, as the present state of our knowledge will admit, accompanied by authentic figures of all the known species and the more remarkable varieties.
Although this genus (comprising all those Ruminants called Buffaloes, Bisons, and Oxen generally,) is as distinct and well characterised as any other genus in the animal kingdom, yet the facts which are at present known respecting the various species which compose it, are not sufficiently numerous to enable the naturalist to divide them into sub-genera. This is abundantly proved by the unsuccessful result of those attempts which have already been made to arrange them into minor groups. Nor can we wonder at this want of success, when we consider that even many of the species usually regarded as distinct are by no means clearly defined.
The second object, therefore, of this treatise, is (by bringing into juxta-position all the most important facts concerning the various individual specimens which have been described, and by adding several other facts of importance which have not hitherto been noticed,) to enable the naturalist to define, more correctly than has yet been done, the peculiarities of each species.
A third object is to direct the attention of travellers more particularly to this subject; in order that, by their exertions, our information upon this class of animals may be rendered more complete.
A new and important feature in the present Monograph, is the introduction of a Table of the Number of Vertebræ, carefully constructed from an examination of the actual skeletons, by which will be seen at a glance the principal osteological differences of species which have hitherto been confounded with each other. A Table of the Periods of Gestation is likewise added, which presents some equally interesting results.