PLATE 38. 



Fig. 36. Gyrocotyle rugosa, from Spencer (1889, pi. 1, fig. 1). To show- 

 size and character of lateral folds and posterior rosette and position of 

 genital pores. X 1.5, based on Spencer's reported magnification of 3 

 which is possibly an error. 



Fig. 37-41. Eggs of G. ftmbriata. Figs. 37-40, from decayed or macer- 

 ated specimens; fig. 41, from living worm. X 500. 



acet. — acetabulum. 



ant. br. comm. — anterior bridge commissure. 



long. n. St. — longitudinal nerve stem. 



opt re. — operculum. 



p. op. — penis opening. 



post. br. comm. — posterior bridge commissure. 



post. ros. — posterior rosette. 



prob. — proboscis. 



rec. in-. — receptaculum ovorum. 



rec. sem. — receptaculum seminis. 



ut. po. — uterine pore. 



vag. — vagina. 



rag. op. — vaginal opening. 



vas def. —vas deferens. 



[448] 



