C. J. C. VAN H00GENHUY2E. "Researches relating to the Etiology of Febris Exanthematicus". 



Fig 1. 



Fig. 2. 



Fig. 4. 



EXPLANATION OF THE PLATES. 

 Fig. I. Fitst obtained culture from blood of the patient, on agar. (Augm. 1560). 

 Fig. 2. Culture after inoculation on agar. (Augm. 844). 

 Fig 3 Preparation of the digestive and intestinal tract from a clothes-louse of 



the patient, gnuind on an object-glass. (Augm. 1560) 

 Fig. 4. The same of a second clothes-louse of the patient. (Augm. 1560). 

 Fig. 5. The same of a third clothes-louse of the patient. (Augm. 1560). 

 Fig. 6. (Augm. 1540). \ 



Fig. 7. (Augm. 1560). f Leucocytes of the blood of the patient with several 

 Fig- 8. (Augm. 1500). i forms of corpuscles outside the nucleus. 

 Fig. 9. (Augm. 750). ' 



The jihotos liave be 



adeby Dr L.Tn. Reu )tK)(, whom 1 render my sincere thanks. 



•'t 



Fig. 





Fig. 9. 



Proceedings Royal Acad. Amsterdam. Vol. XX. 



