muscle of the head, and, as ^e, anastomoses with the 

 recurrent branch of the second nerve of the left visceral 

 ganglion, sc. sin. h. d., small hermaphroditic duct; 

 ad. g. m., adnexed genital mass; sp. c., spermatocyst ; 

 /. h. d., large hermaphroditic duct; spth. f spermato- 

 theca. x 8. 



