LIST OF ILLUSTRATIONS IN TEXT xxiii 



FIG. PAGE 



135. Cholera spirilla, from a culture on agar of twenty-four hours' 



growth. x 1000 ...... 460 



136. Cholera spirilla stained to show the terminal flagella. x 1000 461 



137. Cholera spirilla from an old agar culture. x 1000 . . . 461 



138. Puncture culture of the cholera spirillum . . . 463 



139. Colonies of the cholera spirillum on a gelatin plate . . 464 



140. Metchnikoff's spirillum. x 1000 .... 477 



141. Puncture cultures in peptone-gelatin .... 478 



142. Finkler and Prior's spirillum. x 1000 . . .479 



143. Influenza bacilli from culture on blood agar. x 1000 . .480 



144. Film preparation from a twenty-four hours' culture of the 



whooping-cough bacillus. x 1000 .... 486 



145. Film preparation from a plague bubo. x 1000 . . 489 



146. Bacillus of plague from a young culture on agar. x 1000 . 490 



147. Bacillus of plague in chains. x 1000 .... 490 



148. Culture of the bacillus of plague on 4 per cent, salt agar. 



x 1000 . . . . . . .491 



149. Section of a human lymphatic gland in plague. x 50 . 493 



150. Film preparation of spleen of rat after inoculation with the 



bacillus of plague, x 1000 , 495 



151. Micrococcus melitensis. x 1000 ... . . 503 



152. Spirillum of relapsing fever in human blood, x about 1000 . 509 



153. Spirillum Obermeieri in blood of infected mouse, x 1000 . 510 



154. Film of human blood containing spirillum of tick fever. 



xlOOO . . . . . . .513 



155. Spirillum of human tick fever (Spirillum Duttoni) in blood of 



infected mouse, x 1000 . . . . .514 



156 and 157. Film preparations from juice of hard chancre showing 



spirochsete pallida. x 1000 . .... 517 



158. Film preparation from juice of hard chancre showing spirochsete 



pallida x 2000 . . . . . .518 



159. Section of spleen from a case of congenital syphilis, showing 



spirochsete pallida. xlOOO. . . . .519 



160. Spirochsete refringens. x 1000 . . . . 520 



161. Forms of fungi . . . . . . . 530 



162. Hair infected with Microsporon Audouini. x 500 . . 533 



163. Microsporon Audouini on Sabouraud's maltose agar . . 534 



164. Trichophyton crateriforme and Trichophyton rosaceum on 



Sabouraud's medium ...... 535 



165. Hair infected with large-spored ringworm, x 500 . . 536 



166. Favus hair, showing air channels left by mycelium. x 300 . 537 



167. Achorion schonleinii on Sabouraud's maltose agar, and 



cultures of Achorion quinckeanum .... 538 



168. Scraping from favus scutula, showing spores and mycelium. 



x250 . . . 539 



