CONTENTS xxiii 



Section III. Biological properties, . 599 



(1) Vitality and virulence p. 599. (2) Biochemical reactions, p. 600 ; 

 Andrewes and Herder's classification, p. 601. (3) Toxins, p. 602; 

 Streptocolysin, p. 603. (4) Vaccination, p. 604. (5) Serum therapy, 

 p. 605 ; Monovalent serums, p. 606 ; Polyvalent serums, p. 608. (6) 

 Agglutination, p. 609. (7) Bordet-Gengou reaction, p. 609. 



Section IV. Detection and isolation of streptococci, - 609 



The streptococcus of Bonome, . 610 



XLII. Streptococci animalium. 



I. The streptococcus of strangles, . 61 1 



II. The streptococcus of contagious mammitis of cows, - 613 



III. The micrococcus of contagious mammitis of ewes, 1 - 615 



XLIII. Staphylococci pyogenetes. 



Introduction, - - 617 



Section I. Experimental inoculation, . 618 



Section II. Morphology, . 619 



Section III. Biological properties, . 620 



(1) Viability and virulence, p. 620. (2) Bio-chemical reactions, 

 p. 621. (3) Toxin, p. 622. (4) Vaccination, p. 623.- (5) Serum 

 therapy, p. 624. (6) Agglutination, p. 624. 



Section IV. Detection, isolation and identification of the 



staphylococci. . _ 625 



The diplococcus crassus, _ 626 



XLIV. The enterococcus. 



Introduction, - - 627 



Section I. Experimental inoculation, - 627 



Section II. Morphology and biological properties, - 628 



(1) Microscopical appearance, p. 628. (2) Cultural characteristics, 

 p. 628. (3) Vitality and virulence, p. 629. 



Section III. The detection, isolation and identification of the 



enterococcus, - 629 



XLV. Micrococcus tetragenus. 



Introduction, - 631 



Section I. Experimental inoculation, - - 631 



Section II. Morphology, 632 



Section III. Biological properties, 632 



Section IV. Detection, isolation and identification of the 



organism, - 633 



1 Though morphologically not belonging to the group it will be convenient to include 

 the micrococcus in the same chapter as the streptococcus causing mammitis in cows 



