EDIBLE SNATL(HELEX POMATIA). 



PLATE XVII. 



Fi 4. 1 . Bf&ix. porndtia 



Fig. 3 iotitjibtduuil Vertical Jectitm 



3ettu*n&amp;gt; of Mefttan. 



V\ Qdontnphtm, 



~~ 



JS^O 



Refractor of biurcaJL mass 

 Qiag.l.Zcm/ Jfrt . tt fffitffi /&amp;gt;/ 



Frtf .6 . #. St rnv upper la 



/&amp;gt;. Limy- Ta-tica/ oeeoan 



/./T&amp;gt;, ofOdontafhon, 



Posterior aid f)f Radula* -X^- J, 



0-ng.l. Grculaiory Centre* 



L 



Fig*. 4 Dorsal vtfw with ths ttpptr 

 - ofjnantb turned back 



Conjunctiva- -- 

 Corneas&quot; 



tmrrottf jwtti&n \\ fiff&amp;lt;/ Jrwmsb&uaucL 



Fig. 12 Blind end rf Follicle &amp;lt;&amp;gt;/ (h-otrstig 



\-pef nmtt iim formou} internolbf 



fully tirrmrit SptrmaAno^ 



m ftmd/ 



canal; pntbablf 

 eammunLeating -with eattrior 



vr kA K Juhmtun Edmburfn i, London 



