164: Prof. J. Wood-Mason's Morphulogic<d Notes 



Fitr. 6. 



Mach'dls maritlma, 5 . The sternum with appendages of the 

 eighth ahdominal somite : st, sternum ; 2^> the coalesced basal 

 joints (protopodite) of the limb of one side supporting two 

 branches, a, the exopodite, and b, the endopodite, here modi- 

 fied so as to form one of the four elements of the tubular 

 ovipositor. The inner margins of the enlarged and produced 

 exopoditic portions of the protopodites are represented as 

 diverging from one anotlier more than they do in the living 

 insect to permit of the mode of insertion of the endopodites 

 being seen. 



