492 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 48 



Fig. 117. Lecithochirtum muraenae from Muraena clepsydra. Ventral 

 view. 



Fig. 118. L. muraenae. Enlarged, dorsal view of terminal reproductive 

 organs. 



Fig. 119. Theletrum Itssosomum from angelfish. Ventral view. 



Fig. 120. T. Itssosomum. Sagittal section through region of sinus sac. 



Fig. 121. T. lissosomum. Vitellaria. 



