io6 



3. After separating the segments a very 

 short distance, remove the preparation to a dark 

 background. Again draw apart and note the 

 white viscera stretcliing between them. Make 



frovt»vlTitul«*s I 



borf«oh- — 



^\ 







UiljottS 



OvCLV 



Fig. 30. Dissection of the Viscera of a Mosquito 



steady traction until a central, rather transparent 

 body is alone left between the two portions of 

 abdomen. 



Cut across the anterior attachments of the 

 mid-gut. 



