

PARASITES OF FISHES OF BEAUFORT, NORTH CAROLINA. 423 



PLATE XIV. 



Fi<^. 101. — Rhynchobothrium tenuispine Linton, from cyst on viscera of croaker I Micropogon undulatus). 

 sketch from life; X 80. 



Otobothrium sp. from muscles of gar ( Tylosurus raphidoma). 



Fig. 102. — Cyst, containing blastocyst. Life; actual length, 8 mm. 



Fig. 103. — Blastocyst remove. 1 from cyst 



Figs. 104-107. — Larva' removed from blastocysts. Actual length at rest, 4 to 5 mm. The true relation 



of the bothria to the notch at the base of the neck is shown in Fig. 107. 

 Fig. 108. — Posterior end of bothrium showing the two auxiliary acetabula. 

 Fig. 109. — One of the auxiliary acetabula greatly enlarged. 



Otobothrium crenacolle Linton. 



Fig. 110. — Cyst with two blastocysts. From hog-fish (OrthopriMis chrysopterus) . Actual diameter of 



cyst, 2 linn. 

 Fig. 111. — Cyst from stomach wall of cero (Scomberomorus regalw). Actual length of blastocyst, 1 mm. 



Thick-walled, amber-colored cyst containing blastocyst with larva. 



PLATE XV. 

 Otobothrium crenacolle Linton. 



Fio. 112. — Cyst with blastocyst from. submucous coat of stomach of gray trout (Cynoscionnebulosus). 



Life; actual length 1.2 mm. 

 Fig. 113. — Larva from same. Life; X 135. 

 Fig. 114. — Portion of proboscis of same. Life; X 540. 

 Fig. 115. — Cyst formed around two masses of hooks, which are probably those of Tetrarhynchus biml- 



catus Linton, from flounder (Paralichthys albiguttus). Actual length of cyst 0.2 mm. 



Synbothrium sp., from surface of viscera of gray trout (Cynoscion regalis). 



Fig. llfi. — Proboscis, near base. X 315. 

 Fig. 117. — Same, near middle. X 315. 

 Fig. 118. — Same, near apex. X 315. 



PLATE XVI. 



Dibothrium torlwm, sp. nov., from sand pike (Synodus /ceteris). 



Fig. 110. — Sketch from life enlarged. Most specimens are relatively mure slender than the one 



represented in the sketch. Anterior egg clusters nearly transverse, succeeding ones becoming 



diagonal. 

 Fig. 120. — Fragment from posterior end with egg clusters but little inclined to the axes of the body. 

 Fig. 12!. — Anterior end of living specimen. Actual diameter at .<-, 0.45 mm. 

 Fig. 122. — Anterior end of alcoholic specimen. Actual diameter at anterior end 0.30 mm. 

 I-'io. 123. —Sketch of body with three sets of genitalia. Specimen mounted in balsam. Actual breadth 



1.7 mm. 

 Fig. 124. — Sketch of two sets of genitalia. Life, with a few details added from stained specimens. 



X 300. 



PLATE XVII. 



Fig. 125. — Three views of head of Anthobothrium pulvinatum Linton, from the sting ray (Dasyatis »/;/). 



Sketched from living specimen showing some of the characteristic contraction stages; X 4. 

 Fig. 126. — Free segment of Anthobothrium laciniatum Linton, from the sharp-nosed shark ( Scoliodon 



terrse-novie) . X 50. s g, Shell gland. 

 Fig. 127. — Onchobothrium uncinatum Diesing, from the sting ray (Dasyatis say). Sketch from life. 



Actual length 48 mm. 

 Fig. 128. — Acanthobothriwm paulum Linton, from the butter-fly ray i Pteroplatea maclura). Free-hand 



sketch of single bothrium. Life. 



