COLLINGE : ANATOMY OF SLUGS. 85 



EXPLANATION OF PLATES IV— V, 



Fig. I. Anade7ius sechuenensis, n. sp. View from the right side. x i. 



Fig. 2. ,, ,, Dorsal view of the same. x i. 



Fig. 3. Tcbcnnophorus bilineatus, Bens. View from the right side. 



Figs. 4 — 5. Lateral and dorsal views of specimens named T. australis by Bergh. 



Fig. 6. Anadenus sechuenensis, n. sp. Alimentary canal. 



,, ,, Pallial complex seen from below. x 2J. 



,, ,, Pedal Gland. x 2. 



,, ,, Transverse section of the pedal gland. 



,, ,, Generative organs. 



,, ,, Vagina and receptaculum seminis cut open 



to show the structure of the internal wall. 

 Fig. 12. ,, ,, Penis cut open to show the structure of the 



internal wall. 



ON TWO NEW VARIETIES OF OATAULUS 

 NIETNERI, G. & H. NEV., FROM CEYLON. 



By OLIVER COLLETT, F.R.M.S., 

 Binoya, Watawala, Ceylon. 



Cataulus nietneri, from Ceylon, was described by G. and H. Nevill in 

 the '•'^ Journal of the Asiatic Society of Bengal" (187 1, vol. xxxix, p. 7), 

 and the shell is figured in that Journal (PI. i, fig. 7, 7a), and also in 

 the " Concliologia Indica " of Theobald and Hanley (PI. 146, fig. 4). 



