Method VI. To Examine Single Organs. Dissect 

 out the organs, e.g., the salivary glands, (i) Smear a 

 portion out on a slide, fix, and stain, or (2) fix the 

 whole organ in a suitable fixative (vide p. 404), imbed 

 in paraffin. .^- 



Preservation of Ticks. This may be done in the 

 following ways : (i) Dry ; (z) ten per cent, formalin ; 



(3) s P irit - 



Despatch of Living Ticks by Post. Ticks will 



travel alive in pill boxes with the lid replaced by some 

 fine gauze, or place in specimen tubes with some pieces 

 of crumpled paper to prevent shaking. Plug the tube 

 with wool. 



