488 FRANK E, BEDDARD. 



Eig. 11. Diagrammatic transverse section of a portion of posterior ex- 

 tremity of body, to show relations of anal nephridia. n. Their rectal 

 orifices, o. External orifices, f. Funnels. 



Figs. 12— 14.— Deodrilus. 



Fig. 12. Ventral view of anterior segments. VI. Sixth segment, the first 



setigerous segment, p. Genital papilla between Segments 11/12. 



cli. Clitellum. ^ sperm-duct orifice on 18th segment. 

 Fig. 13. Dissection of a portion of the body, to show the position and 



appearance of the calciferous glands, ca. d. Dorsal vessel. oe. 



CEsophagus. 

 Fig. 14. Diagrammatic longitudinal section, to show position of various 



parts of the alimentary tract, g. Gizzard, ca. Calciferous glands. 



The roman numerals refer to the segments. 



PLATE XXXlIlA. 

 Deodriius. 



Figs. 15, 16. Penial seta, with chitinous sheath. 



Fig. 17. One of the pairs of hearts (/*.), with their connection with the 



dorsal {d.) and ventral {v.) vessel, oes. CEsophagus. 

 Fig. 18. Setse of body. 



Fig. 19. Two segments dissected to show spermatheca (^Sp}, Sp?). n. 

 Nerve-cord. v. Ventral blood-vessel. /. Lateral blood-vessel, o. 

 Orifice of spermatheca. m. Intersegmental septum. 



