766 FRANK E. BEDDARD, Ou some Perichjetidse from Japan. 



Explanation of the Plate 33. 



Fig. 1. Perichceta rokugo; ventral view of anterior uegments, which 

 are uumbered. 



Fig. 2. The same; a spermatotheca. 



Fig. 3. The same; one of the capsulogenous glands, magnified. 



Fig. 4. The same; intestinal cseca. 



Fig. 5. The same; group of capsulogenous glands (c) opening on to 

 exterior beneath nerve cord (n). 



Fig. 6. The same; sperm-sacs (v. s) and vasa deferentia (v. d); the 

 letters v. d point to the dilated commencement of vas deferens. 



Fig. 7. The same; sperm-sacs dissected to show t'unnels {f) of vasa 

 deferentia. 



Fig. 8. Perichceta nipponica; two spermatothecse. 



Krommannsche tiuchdruckerei (Hermann Pohle) in Jena. — 1059 



