438 



REPORT ON THE SLUGS. 



Figs. 20, 21. Dorsal and ventral \-iew of the stomach, the latter showing the position 

 of the small bean-shaped gland. 



Fig. 22. Bean-shaped gland detached. 

 Fig. 23. Pedal gland. 



Aneitella berghi, Plate. 



Fig. 24. View from the dorsal side, x 2. 



Fig. 25. The same, from the ventral side, x 2. 



Fig. 26. Generative organs. 



alh. gl. albumen gland. 

 f. ov. free oviduct. 

 gl. gland (?) 



h. d. hermaphrodite duct. 

 h. gl. hermaphrodite gland. 

 p. penis. 

 pr. prostate. 



Fig. 27. Variation in the form of the penis. 



r. m. retractor muscle. 



r. s. receptaculum seminis. 



v. vestibule. 



V. d. vas deferens. 



vg. vagina. 



V. s. vesicula seminalis. 



