17 



^•~ '^ Did not suffer 



26. -Id Did not suffer 



27. - îd Did not suffer 



28.-ïnj. of 2 cm' at 24, 21 and 18 hours before virus (Total 6 cm^) Did not suffer 



29. -Id Did not suffer 



30. - Id Did not suffer 



3I--ld Did not suffer 



Preventive Injections (Normal Serum;, 



32.-Inj. 2 cm» of normal serum 24 hours before virus... skin locahsation (Bouba) f 

 33.-Inj. 2 cm3, 24 and 21 hours before virus (Total 4 ctn») skin locahsation (Bouba) 



34. - Id skin localisation (Bouba) 



35.-Inj. of 2 cm3 24, 21 and 18 hours before virus (Total 6 cm^) skin local. (Bouba) 



36. - Id skin localisation (Bouba) 



Curative Injections ^AntiseruraA 



37. - InJ, 2 cm3 immediately after hypod. inj. of virus Nodules 



38. ~ Id skin localisation (Bouba) 



39. - Inj. 2 cni3 plus 2 cm3 after inj. of virus Nodules 



40. - Id Nodules 



41. - Id Nodules 



42.-Id Nodules 



43. -Inj. 2 cm3, plus 2, plus 2 after inj. virus Nodules 



44.-Id Nodules 



45.-Id Nodules 



46. - Id Nodules 



Preventive Injectionu (Normal Serum). 



47.-Inj. of 2 cm3 immediately after the inj. of virus skin localisation (Bouba) 



48. -Inj. of 2 cm3 plus 2 cm3 after the inj. of virus, (total 4 cm3) skin local. (Bouba) f 



49.- Id skin localisation (Bouba) f 



50.-^ Inj. of 2 cm3, plus 2 cm^, plus 2 cm' after virus skin locahsation (Bouba) (killed) 



51.-Id.. . , skin localisation (Bouba) f 



52. - Id skin localisation (Bouba) 



Controls. 



52. -Inoculated only with virus skin localisation (Bouba) f 



53. - Id skin localisation (Bouba) f 



54.- Id skin localisation (Bouba) 



55. - Id skin localisation (Bouba) 



56. - Id skin localisation (Bouba) 



Chicks do not tolerate injections of more tlian 2 cm» to 3 cm^, therefore 

 in this series the injections of 4 to 6 cm^ were made in two or three times 

 at intervals of approximately three hours. 



The nodules observed in the ando- observed in the chicks of lower numbers, 



men (site of the injection of serum in injected with fresh serum, nor in the 



chicks of numbers 38 to 46) appear to controls treated with normal serum, al- 



have been due to the carbolic acid nee- so in fresh condition, 

 ded to preserve the seriun; this was not Here, once more, the preventive va- 



