inertia. Non-dilation of the cervical canal, or induration of the 

 cervix, is viewed from a new angle, and is shown to be uterine 

 instead of cervical in the majority of cases. 



The discussion of uterine inertia is highly interesting and 

 throws new light upon the ever-increasing number of cases of 

 dystocia. The author's conclusions are substantiated by clinical 

 facts. The uterus in dystocia of contagious abortion is easily 

 contused and abraded, with resulting infection and necrosis. 

 The author might have pointed out still more emphatically the 

 results of severe traction and forced extraction in this class of 

 dystocia. 



The outstanding feature of this new work is the fact that the 

 author has put in concrete form the relation between uterine 

 infection and dystocia ; he has pointed out that the obstetrist is 

 constantly working in the midst of a virulent infection. 



— /. L. Buchanan iji The Cornell Veterinarian." 



" So comprehensive a work can only be reviewed broadly ; and 

 it may be said at once that the book, while containing much con- 

 troversial matter, will be very valuable to all veterinarians prac- 

 ticing in breeding districts. The author often challenges gener- 

 ally accepted views ; but when his controversial opinions are 

 closely examined, it will be found that solid reasons are adduced 

 on behalf of most of them. The book possesses two outstanding 

 merits. The first is the attention given to the practical details 

 of parturition work, of the difficulties of which the author has 

 evidently had great experience. 



The second special merit of the book is its constant attempt to 

 trace out the anatomical and physiological causes upon which 

 obstetric troubles depend ; and here the practitioner will find the 

 work exceedingly stimulating and suggestive. The sections 

 upon such hitherto little-mentioned subjects as rupture of the 

 prepubian tendon and bi-cornual pregnancy are instances of this. 

 In this connection an important feature of the work is its insist- 

 ence on the intimate relation between diseases of the genital 

 organs and difficulties in parturition ; and here the section upon 

 the dystocia of contagious abortion — the latter term being used 

 in its widest sense to include abortions due not only to Bang's 



