xxii LIST OF ILLUSTRATIONS IN TEXT 



FIG. PAGE 



102. Streptothrix Madurse. x 1000 .... 339 



103. Surface colony of the anthrax bacillus on an agar plate. 



x 30 . . . . . . . . 343 



104. Anthrax bacilli, arranged in chains, from a twenty-four hours' 



culture on agar at 37 C. x 1000 .... 344 



105. Stab culture of the anthrax bacillus in peptone-gelatin . 344 



106. Anthrax bacilli containing spores. x 1000 . . . 346 



107. Scraping from spleen of guinea-pig dead of anthrax. x 1000 349 



108. Portion of kidney of a guinea-pig dead of anthrax, x 300 . 351 



109. Bacillus coli communis. x 1000 .... 362 



110. A large clump of typhoid bacilli in a spleen. x 500 . . 368 



111. Typhoid bacilli, from a young culture on agar, showing some 



filamentous forms, x 1000 ..... 369 



112. Typhoid bacilli, from a young culture on agar, showing 



flagella. x 1000 . . . . . .370 



113. Culture of the typhoid bacillus and of the bacillus coli . 371 



114. Colonies of the typhoid bacillus in a gelatin plate. x 15 . 372 



115. Film preparation from diphtheria membrane ; showing 



numerous diphtheria bacilli, x 1000 . . .411 



116. Section through a diphtheritic membrane in trachea, show- 



ing diphtheria bacilli. x 1000 .... 412 



117. Cultures of the diphtheria bacillus on an agar plate . . 414 



118. Diphtheria colonies, two clays old, on agar. x8 . .414 



119. Diphtheria bacilli from a twenty-lour hours' culture on 



agar. x 1000 ...... 415 



120. Diphtheria bacilli, from a three days' agar culture. x 1000 . 415 



121. Involution forms of the diphtheria bacillus, x 1000 . . 416 



122. Pseudo-diphtheria bacillus (Hofmann's). x 1000 . . 424 



123. Xerosis bacillus from a young agar culture. xlOOO . . 425 



124. Film preparation of discharge from wound in a case of 



tetanus, showing several tetanus bacilli of "drumstick" 

 form. xlOOO . . . . . .430 



125. Tetanus bacilli, showing flagella. x 1000 . . .431 



126. Spiral composed of numerous twisted flagella of the tetanus 



bacillus. xlOOO . . . . . .432 



127. Tetanus bacilli, some of which possess spores, x 1000 . 432 



128. Stab culture of the tetanus bacillus in glucose gelatin . . 433 



129. Colonies of the tetanus bacillus on agar seven days old. x 50 434 



130. Film preparation from the affected tissues in a case of 



malignant oedema, x 1000 ..... 447 



131. Bacillus of malignant oedema, showing spores, x 1000 . 448 



132. Stab cultures in agar tetanus bacillus, bacillus of malignant 



oedema, and bacillus of quarter-evil .... 449 



133. Bacillus of quarter-evil, showing spores, x 1000 . . 455 



134. Bacillus aerogenes capsulatus . . . . .456 



