468 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 2 



PLATE 36 



Fig. 32. Anisoporus eucinostomi from Eucinostomus californiensis. Ven- 

 tral view. 



Fig. 33. A. eucinostomi from same host. Enlarged, ventral view of an- 

 terior part of body. 



Fig. 34. Anisoporus thyrinopsi from Thyrinops pachylepis. Ventral view. 



Fig. 35. Dactylostomum <vitellosum from unidentified, tide-pool fish. Ven- 

 trolateral view. 



Fig. 36. Opecoelus mexicanus from Paranthias furcifer. Ventral view. 



Fig. 37. O. mexicanus. Enlarged view of acetabular papillae showing 

 manner of overlapping, like clasped fingers. 



Fig. 38. Opecoelus xenistii from Xenistius californiensis. Ventral view. 



