As the object of this work is to treat of the dog in a state of disease, the author has deemed it expedient to confine himself to those essential considerations in keeping with his purpose, reserving for a future effort the subject of Breeding and attendant interests.

The introduction of general management which might seem extraneous, is yet pursuant of this design, on the assumption that a knowledge of the prevention of disease, is intimately associated with the study ot pathology, and holds a place scarcely inferior to that of a familiarity with the principles and practice of medicine.

Many diseases are preventable by removing or obviating their causes; reforms in ventilation, cleanliness and diet, there is reason to believe, accomplish much, and are among the most important modes by which diseases may be prevented.

The care of puppies from the period of weaning, is treated of in a general way. In the management of dogs after maturity is reached, minor details are dwelt upon, it being assumed that, to some at least, their consideration may prove of value.

The number of drugs capable of producing death, under certain conditions, is almost limitless, as medicines, possessing sufficient activity to be of much value, are always poisons in inordinate or excessive quantities.

In the chapter devoted to the subject, the action of dangerous agents, more generally encountered, is discussed.

In the consideration of the different diseases, causes, symptoms, treatment and prognosis are each of recognized importance, and diagnosis if necessary to discriminate from one of several diseases with which it has more or less symptomatic phenomena in common.

To dwell on pathological anatomy, or the appearances in a morbid or diseased state, must necessarily confuse the reader and reference excepting in rare instances is avoided.

In the arrangement of diseases convenience is studied. Under general diseases are considered all unclassified.

It is Implied that operative surgery is beyond the capacity of many, and as an exhaustive treatise on the subject would prove of but little value, only the simpler operations, and treatment in cases of emergency are considered.

The final chapter is devoted to reproduction, that very interesting process being briefly reviewed. Several pages are allotted to cestruation, and in a series of hints, rather than in an attempted treatise on the subject, some practical information is submitted.