Bull. U. S. F. C. 1 899. (T o face page 492.) 
Plate XIV. 
16S. 
1 09. 
170. 
171. 
172. 
173. 
173. 
175. 
176. 
Ascaris sp. from Mcnticirrus saxatilis. Head, x 170. 
Posterior end. x 170. 
Head of specimen from another lot. x 170. 
Posterior end of same, x 170. 
Ascaris sp. from Scomberomoriis maculalus. Posterior end. x 24. 
Ascari sp. from Macrourus buirdii. Head, x 225. 
Opposite side of head of same specimen, x 225. 
Head of older specimen from another lot. x 170. 
Upper lip of came, somewhat foreshortened, x 185. 
177. Head of another specimen from same lot. x 210. 
178. Tip of posterior end of same, x 375. 
179. Ascaris sp. from Lophiitspiscalorius. Head, x 225. 
180. Posterior end. x 225. 
181. Ascaris sp. from Scomber scombrus. Head, x 180. 
182. Posterior end. x 180. 
183. Ascaris sp. from Sphyrna zygsena. Portion of body, x 60. 
184. Posterior end. x 36. 
