CLADORCHIS WATSONI (CONYNGHAM) 
i35 
Explanation of Plate IV 
ILLUSTRATING Mr. A. E. SHIPLEY'S ARTICLE ON CLADORCHIS IfJTSONI 
Reference Letters 
Al.c, alimentary canal ; b.m., basement membrane ; c.c, cirrus canal ; ep., epithelium of gut diver- 
ticula ; g.p., genital papilla ; L.c, Laurer's canal ; m., muscles ; met., metabrema ; m.g., in 
Fig. 5, shell gland ; oe.b., oesophageal bulb ; 00, ootype ; ov., ovary ; ph., pharynx ; ph. p., 
pharyngeal pouches ; sh.g., shell gland ; sph., sphincter muscle around oesophageal bulb ; s.v., 
seminal vesicle ; t., testes ; lit., uterus ; v.d., vas deferens, in Fig. 6 it is just leaving ; v.s., the seminal 
vesicle ; y.g., yolk glands ; y.g.d., duct of yolk glands ; y.r., yollc receptacle. 
Fig. 1. Ventral view of Cladorchis watsoni, x about 4, showing the genital papilla and the 
aperture to the posterior sucker. 
Fig. 2. The same, natural size. 
Fig. 3. Anterior view of the same; showing mouth and genital papilla, x about 4. 
Fig. 4. Side view of the same, showing genital papilla, x about 4. 
Fig. 5. A diagram showing the disposition of the organs in Cladorchis watsoni. The positions of 
the various organs are distorted so that they ma} - all be shown. 
Fig. 6. A transverse section through the region of the oesophageal bulk and seminal vesicle. 
Fig. 7. A parallel section anterior to that in Fig. 6, showing the oesophageal pouches and the 
anterior part of the genital papilla. 
Fig. 8. A section through about the middle of the bod)-. 
Fig. 9. A section a little in front of the posterior sucker, showing the ootype. 
Fig. 10. A portion of the wall ot the alimentary canal, showing the external muscle fibres, the 
basement membrane, and the lining layer with granules or nuclei at its base. 
