Bull. U. S. F. C. 1899. (To face page 492.) 



Plate VIII. 



62. Ascaris incrcscens Molin, from stomach of fornjilneim ht/jjuinis. \ 



Ventral view of head of male, x IC'8. 



63. Tail of same, spicules retracted, x 45. 



61. Tail of specimen from Lnpfiitif: rtii?catoriti<. -■. lO. 



65. Ascaris sp. from^ Stenotfym hk rhin/nnpa. \*ontral view of liead. 



X 170. ' ■ 



66. Upper lip of same, x 170. . ! 



67. Posterior end. ventral view, a 45. 



68. Posterior end, lateral view, x 45. 



69. Tip of posterior end, opticfll section, x 210. I 



70. Ancaris sp. from }[ii>tnfjjhaliis :rn>tis. Vmtral vii-w of head. 



X 225. 



71 . Upper lip. X 225. 



72. Posteriorend. lateral view. ■: 225. 



73. Ascnrffti'.p. from Scomber ttcoiiibnts. X 225. 



74. Posterior end. ventral view, x 75. 



75. A.-?rariis sp. from Phycis tenuis, x 50. 



76. Upper lip. x 50. 



77. Poii^terior end. lateral view. >: 50. 



78. Extreme tip of tail, x 225. 



79. Ascaris s]). from Scixnops ocellalua. Ventral view of head -. 7.5. 



80. Upper lip. x 75. 



