98 ILLINOIS BIOLOGICAL MONOGRAPHS [218 



EXPLANATION OF PLATE 



Gordius rohusltis 



Fig. 93. — Section thru anterior end of cloacal gland of female shown in Plate 10; oviducts, 



intestine, and posterior end of seminal receptacle; X 105. 

 Fig. 94. — Section thru constriction between cloacal gland and seminal receptacle; circular 



musculature surrounding constriction; X 105. 

 Fig. 95. — Section posterior to that of Fig. 94; entrance of oviducts into cloaca; X 105. 

 Fig. 96. — Cross section thru cloacal musculature of male, nearly adult; just behind anus; X 90. 

 Fig. 97. — Section a short distance behind that of Fig. 96; X 90. 

 Fig. 98. — Section thru crescent of same male; X 90. 



