LIST OF ILLUSTRATIONS IN TKXT xxiii 



Hi;. PACK 



135. Colonies of the cholera spirillum on a gelatin plate . . 451 



136. MetchnikoflTs spirillum, x 1000 . . .464 



137. Puncture cultures in peptone-gelatin .... 465 



138. Finkler and Prior's spirillum, x 1000 . . . 466 



139. Influenza bacilli from a culture on blood agar. x 1000 . 467 



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



whooping-cough bacillus. x 1000 .... 473 



141. Film preparation from a plague bubo. x 1000 . . 476 



142. Bacillus of plague from a young culture on agar. x 1000 . 477 



143. Bacillus of plague in chains, x 1000 . . . . 477 



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



xlOOO ....... 478 



145. Section of a human lymphatic gland in plague, x 50 . 480 



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



bacillus of plague, x 1000 . .... 482 



! 17. Mirrococrus melitensis. x 1000 . . . . 490 



148. Spirilla of relapsing fever in human blood, x about 1000 . 496 



149. Spirillum Obermeieri in blood of infected mouse, x 1000 . 197 



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



x 1000 ....... 500 



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



of infected mouse, x 1000 . . . . .501 



152 and 153. Film preparation from juice of hard chancre showing 



spirochaete pallida. x 1000 .... 504 

 151. Film preparation from juice of hard chancre showing 



spirochaete pallida. x 2000 . . . .505 



s.'Ctii.n of spleen from a case of congenital syphilis, showing 



^pirochaete pallida. x 1000 .... 506 



15*1. Spiro"h;i-r< refringens. x 1000 .... 507 



157-162. Various phases of the benign tertian parasite . . 589 



163-168. Exemplifying phases of the malignant parasite . . 590 



169. Anueba? .of dysentery ...... 603 



170. Section of wall of liver abscess, showing an amoeba of spherical 



form with vacuolated protoplasm, x 1000 . . 607 



171. Trypanosoma Brucei from blood of infected rat. Note in two 



of the organisms commencing division of micronucleus and 



undulating membrane, x 1000 .... 620 



1 72. Trypanosoma gambiense from blood of guinea-pig, x 1000 . 623 



173. Leishmau-Donovan bodies from spleen smear, x 1000 . 632 

 174 Leishman- Donovan bodies within endothelial cell in spleen. 



xlOOO ... 633 



