Trypanosome Diseases of Domestic Animals in Nyasaland. 279 



Length. — The following table gives the length of this trypanosome as 

 found in the waterbuck, ox, goat, and sheep — 500 trypanosomes in all. 



Table I. — Measurements of the Length of Trypanosoma caprw, Nyasaland. 



Date. 



No. 

 of 

 expt. 



Animal. 



Method of 

 fixing. 



Method of 

 staining. 



Average 

 length. 



In microns. 



Maximum Minimum 

 length, i length. 



| 



1912. 



















Sept. 



18... 



1 ooo 



Waterbuck 





Osmic acid 



(xieinsa 



9ft "ft 



29 '0 



ok -n 



zo u 



4... 



349 



Ox 









25 - 9 



32 "0 



22 *0 



u 



March 



9... 



oou 



i. 









iiO O 



30 -0 



18-0 



4... 



I/O 





» 





93 



28 '0 



20 "0 



;i 



11... 



9ft*} 







J? 



» 



9fi • 1 



29 -0 



21 -0 



JS 



14... 



9ftQ 











_ / o 



30 -0 



24 -0 



33 



18... 



9nn 







» 



" 



9ft »9 



30 -0 



22 -0 



33 



20... 











" 



9ft "Q 



30 -0 



22 -0 



33 



21... 



9 1 7 











no .7 



26 -0 



20 -0 





21... 



263 











24-4 



29 -0 



21 -0 



April 



4... 



339 







3> 





25 1 



28-0 



23 -0 



i) 



22... 



272 







33 





23 -4 



27 



21 -0 



33 



22... 



339 







3 3 



3. 



24 -6 



27 -0 



21 -0 



33 



29... 



339 











27 -6 



31 -0 



25-0 



May 



3) 



13... 



339 











25 -5 



29 -0 



23 -0 



16... 



339 







33 





24 -4 



27 -0 



23 "0 



April 



8... 



348 





33 





26 -6 



30 -0 



24-0 



33 



11... 



346 





33 





24 -6 



28-0 



21 -0 





11... 



348 







3> 





26 -7 



29-0 



24 -0 



33 



25... 



348 











23 -9 



27 -0 



22 -0 



May 



9... 



348 











26 -2 



29 -0 



24 -0 



33 



13... 



348 







33 





24 -4 



27 -0 



22 -0 





23... 



347 







33 





24 -7 



27 -0 



22 -0 



June 



13... 



54S 







33 





25 -6 



29 -0 



23 -0 



July 



25... 



907 







33 





27 "5 



32 -0 



24 -0 













25 -5 



32 -0 



18 -0 



The average length of T. caprw, Nyasaland, in different species of animals, 

 taken from Table I, is as follows : — 



Table II. 



Species of animal. 



Number of 

 trypanosomes 

 measured. 



In microns. 



Average length. 



Maximum 

 length. 



Minimum 

 length. 





20 



26 -8 



29 -0 



25 -0 



Ox 



40 



25 7 



32 -0 



28 -0 



Goat 



260 



25 -3 



31 -0 



20 -0 





180 



25 -6 



32 -0 



21 -0 



