214 MANTER 



EXPLANATION OF PLATE 



All figures, except Figure 9, were made with the aid of a camera 

 lucida. The projected scale is in mms. All the figures of Squaloncho- 

 cotyle are from African material except Fig. 8, which is from a New 

 Zealand specimen. 



Abbreviations: at, atrial pore; ce, intestinal cecum; gic, genito- 

 intestinal canal; od, oviduct; ov, ovary; t, testis; ut, uterus; <va, 

 vagina ; W, vas deferens ; <vp, vaginal pore ; yd, yolk duct. 



Fig. 1. Callorhyiichicola multitesticulatus. Ventral view. 

 Fig. 2. Portion of body stalk of C. multitesticulatus showing annu- 

 lations with anteriorly directed edges. 



Fig. 3. Haptoral sucker of C. multitesticulatus showing sclerltes. 

 The aperture is dotted. 



Fig. 4. Haptoral hook of C. multitesticulatus. 



Fig. 5. Longitudinal section through a well developed egg in the 



uterus of C. multitesticulatus. Six of 16 larval hooks on the 



haptor are seen. 



Fig. 6. Squalonchocotyle callorhynchi. Ventral view. 

 Fig. 7. Haptoral sucker of S. callorhynchi showing flanged aper- 

 ture, papillated surface, and sclerite. 



Fig. 8. Tips of the two sizes of sclerites of S. callorhynchi. From a 

 single specimen. 



Fig. 9. Appendix hook of S. callorhynchi. 



Fig. 10. Diagram of ovary and adjacent organs of S. callorhynchi. 



