IV. GENITAL APPARATUS 542 Vaginitis 543 Acute vaginitis 544 Contagious vaginitis 545 Croupal vaginitis 545 Chronic vaginitis 546 Metritis 547 Septic metritis 547 Acute metritis 550 Chronic metritis 552 Epizootic abortion in cows 553 Salpingitis—Salpingo-ovaritis 555 Torsion of the uterus 556 Tumours of the uterus 559 Tumours of the ovary 559 Genital malformations 560 Imperforate vagina 560 Nympho-mania 562 V. DISEASES OF THE MAMMARY GLANDS 565 Physiological anomalies 567 Wounds or traumatic lesions 568 Chaps and cracks 568 Milk fistulæ 569 Inflammatory diseases 570 Congestion of the udder 570 Mammitis 571 Acute mammitis 573 Contagious mammitis in milch cows 580 Chronic mammitis 581 Gangrenous mammitis of milch ewes 583 Gangrenous mammitis in goats 584 Cysts of the udder 585 Tumours of the udder 585 Verrucous papillomata of the udder 586 VI. DISTURBANCE IN THE MILK SECRETION AND CHANGES IN THE MILK 587 Microbic changes in milk. Lactic ferments 588 VII. MALE GENITAL ORGANS 594 Tumours of the testicle 594 Accessory glands of the genital apparatus 597 SECTION VIII. DISEASES OF THE SKIN AND SUBCUTANEOUS CONNECTIVE TISSUE.