14 LIST OF ILLUSTRATIONS. , 



37.— Thermo-regulator (F. G. N.) • ■ ■ 246 



38. — Murrill's gas pressure regulator ; 250 



39. — Koch's safety burner • 251 



40. — Adjustable syringe 262 



41.— Syringe and holder, water-bath and radial burner 263 



42. —Injection apparatus 264 



43.— Sterile conical test-glass 265 



44.— Voges' cylindrical holder 266 



45. — Latapie's animal holder 268 



46.— Rat cage and forceps , 273 



47. — Vaughan's cage for rabbits, etc 274 



48.— Instrument sterilizing case and searing iron 275 



49.-^The Boux spatulg-.and, Nuttall needle 278 



50.- Simple bottle for anaerobes (F. G. N.) 308 



51.— Bottle for tube culture of anaerobes (F. G. N.) 314 



62,^Apparatus for plate cultivation of anaerobes (F. G. N.) 314 



53.— Apparatus for plate cultivation of anaerobes (F. G. N.) 314 



54.— Tube culture of tubercle bacillus on potato (F. G. N.). . 315 



55. — Yeast cells with spores (Hansen),. 387 



56,-TFruit-organs of moulds (Lghmann), 390 



57! — Wolffhiigel's counter 434 



58. — Lafar's and Jeffer's counters 436 



59. — JEsmarch's roll- tube counter 448 



60. — Apparatus for the examination of air 454 



01. — Drawn-out tube pipettes of Pasteur 457 



62. — Sealing cultures in capillaries 459 



63. — Pipette used in drawing blood 460 



■64.— Boux water-bath for serum sterilization 466 



65.— Koch's serum sterilizer 467 



•66.— Apparatus for filtering bacterial liquids (F. G. N.) 469 



'67,-^Connections for filtering apparatus (F. G. N.) 470 



■68— Berkef eld filter; globe receiving flask (F. G. N.) 471 



■69. — ^Boux flask for surface cultures ,. 486 



70. — Boiling of collodium sacs 497 



71.— Cpllodium sacs 499 



72.— Tubing of media (F. G. N.) 511 



73.— Keeping of cultures (F. G. N.). ^ 512 



74. — Filter for bacterial suspensions, 514 



75.— Determination of the thermal death-point (F. G. N.). . . 516 



76.,^Formaldehyde. apparatus for room disinfection (F. G. N) 530 



