Bull. U. S. F. C. 1899. (To face page 492.1 



Plate XXXIII. 



3G0 





362 



\ (2°" 361 



'« 

 364 ' - 





*>>■ >• /., ,■;% <;.tn' *r5 «- ■^- 



%^ m 





^7 



•0 





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V 



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I 



A 



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3i». DiMomum sp. from Limanda fcrruginca, continued. Rcstorcil 

 from sections, partly diagrammatic, a. Ventral .siurker; q. 

 genital aperture: /.' intestine; o, ovary; oe. re.sophagns; i>h, 

 pharynx: t, testes: vn. vitelline ffiands. x -It;. 



.SOI. Testes,' ovar\-, ova, and portion of vitellaria. Letters as in fig." 

 360. X «l! 



36J. Ova. X 300. 



;!G3. DMomum poUjorcliU Stossich. from Ciinnfrion Tcgrtlis: veiilriil 



view: life, x 30. rl. Diverticula of intesline: /. testes: yd. 



vitelline duct: 'jr. vitelline reervoir, lying on ventral side of 



ovary. 

 3J4. Spines on neck, y 400. 

 3'j.i. Detailsofi>ost-acei.ibular region, ventral view, x 100. i-. Cirni>: 



u, uterus. Other I'jf.^rs as in figs. 3'JO. 3t'3. 



