5 (4) String of developing eggs extends behind the male copulatory organ into the posterior end of the body (Figs. 

 10, 11) 



Figure 10. — Diagramalic longitudinal section. 



C^^, 



(^■^^^'-^^ 



Figure 11. — Diagramalic longitudinal section. 



5 (.4) String ofdeveloping eggs ends anterior to or at the level of the male copulatory organ (Fig. 12) 13 



Figure 12. — Diagramalic longitudinal section. 



6 (5) Mouth with a pharynx simplex (Fig. 13) Family SOLENOFILOMORPHIDAE (p. 63) 



Figure M.—OUgofilomorpha intersliliophilum: a-sagittal reconstruction; b-sagittal section of phar>nii. 



6 (5) Mouth without a pharynx 



11 



.11 



