334 



AUSTRALIAN HIRUDINEA, I., 



successive cseca, the sixth pair lying in front of the last pair of 

 crop-caeca. 



,cr 



Fig. 6. — Glossiphonia australiensis, sp.n. 



Transverse section passing through the crop, cesophagus, and retracted 

 proboscis; and through the terminal portion of the ovary. 



bd. s., body substance — ca., crop caecum — ca. 1, one of first pair of 

 crop caeca — cl., coelomic sinus — cr., crop— cm., dermis + circular muscle — 

 ej.d.y terminal horns of ejaculatory ducts — ep., epidermis — ep. gl., deep 

 epidermal glands — l.m., longitudinal muscle — m.p., male genital aperture — 

 oe., cesophagus — ov. 1, first pair of ovarial pouches — ov., terminal portion 

 of ovary — pr., proboscis — pr. s., proboscis sac— si. g., salivary glands — v.d., 

 vas deferens. 



In the species of Glossiphonia in general, the male genital 

 ducts consist of a number of vasa efferentia which lead into a 



Fig. 7. — Glossiphonia australiensis, sp.n. 



Transverse section passing through the male genital aperture. 



(References as in fig. 6). 



main collecting tube, or vas deferens, in each side of the body. 



