472 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 38 



Fig. 46. Opecoelina pacifica from Paralabrax species. Dorsal view. 



Fig. 47. O. pacifica from same host. Enlarged view of male terminal re- 

 productive organs. 



Fig. 48. Cymbephallus carangi Yamaguti from Selar crumenophthalmus. 

 Ventral view. 



Fig. 49. C. carangi from same host. Enlarged view of anterior end. 



Fig. 50. C. carangi. Eggs. 



Fig. 51. Parvacreadium bifidum from goby. Ventral view. 



Fig. 52. P. bifidum. Enlarged view of acetabular lobes. 



Fig. 53. P. bifidum. Enlarged, dorsal view of anterior end. 



Fig. 54. P. bifidum. Outline of posterior end of body showing papilla- 

 like processes. 



Fig. 55. Same. 



