Bull. U. S. F. C. 1899. (To face page 492.) 
Plate XXIX. 
319. Distomum ; p. from Stolephorus brown ii; lateral view of mounted 
specimen. < 100. 
320. Head and neck of i ame. x ‘100. p//.. Pharynx. 
321. Distomum I lispidum , from Pkycis tenuis; side view; ale. 7. 
322. Ventral view, x 14. 
323. Anterior end, side view, x 65. 
Undetermined distomes from Opsanus tan. 
324. Ventral view of larger distome. [See A, p. 469.] x 46. g, Geni- 
tal aperture; o, ovary; sv, seminal vesicle; /, testes; vg, vitel- 
line glands; or, ovum; a , margin, showing spines, x 400. 
325. Ventral view of smaller distome. Letters as in fig. 324. 40. 
320. Spines on ventral side of neck of same, x 400. 
327. Ventral view of another, vr, Vit Oline reservoir. Other letters 
as in fig. 324. [See B.lu), p. 409.] x 46. 
328. Ventral view of another. Letters as in fig. 324. [See B. (5). p. 
469.] x 46. 
329. Posterior margin of latter. 201. 
330. Distomum sp. from Enchelyopus eimbri us; ventral view. Letters 
as in fig. 321. 46. 
