88 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 10 



Cestracolpa cypsi'liiri, anterior end enlarged. Dorsal view. 



Chitinous skeleton of posterior sucker of C. cypseluri. 



\'aginal spine of C cypseluri. 



Armature of genital atrium of C. cypsrluri. 



l"\vo ova of C. cypsc'lnri from anterior end of ovary. 



C. cypseluri. Dorsal view. 



Ccstracolpa yamagutii. Dorsal view. 



Armature of genital atrium of C. yamagutii. 



\'aginal spine of C. yamagutii. 



Chitinous skeleton of posterior sucker of C. yamagutii. 



0\-ary and reproducti\-e ducts of C. yamagutii. Dorsal view. 



