61 



liidli'lin (If la Siicirlr EnUiinol(^<jiq>ir '^' l'^'jijpta 



\N liicli ar(- longer and nairower, liTUiiiiulK altenualod 

 and l)(Mi( outwards, and those of the female ^vhieh are 

 shorlci- and thicker as well as nearly sti-aipht 

 throiij^iiout their hui^lh. TJie sini^le-juiided styles arc 

 Inserled on either side of the nicnhan line <jn the 



% 



\\ 



V 



Fig. 3. I'd i/ilniifta (ìincrìniiKi : MaJc, G inni, long, 2 or 3 

 days old. Ventral view of the extremity of the ahdo- 

 nicn to show the styles and the cerei. In Canada 

 halsani < 21. 



posterioi' edi^e ol Ihe last steinnni, while the cerei 

 projcei heneatli the (mIuc of the last ter^um. AccorTling 

 to MiALL and l)!.^.^^, they arc capable of erection by 

 special muscles and are supplied by lart;e nerves. 

 .'Vccording to the same authors, the cerei ol" the adult 

 l\ orienta li s are composed of Ki rings. According 

 to mv observali(jns, the cerei of the adidt P. (interi- 



