Sil I'IKS n.N l;l;V«>/i(.\- -KKl.lNAl.l.. 



A Ital'iltV.ni' of rnlhljilncrllllll illllirrhii.-^ls, Mil|llcstli|IC, i>iii tlic (•(.llui-tiiMi 



i.f tlie Austiiiliaii .Miimmhii. ami limii tlic Inlluwiiii,^ li^-uic and (Icscrililiou 

 its ilitforeuces tVoiii /'. ir(/>"»/ will Itu .sufii. 



FiS. 2. Pollaplvecttnn -.cthoiii. a Pohzoary enlartied. l-' Ointice. 

 ( Iiitenioite cleared and enlarged. 



PoLl.Arr.OECtlM i.lI,I!EKTKN?IS, MttplestO)ie. 



(Fig. 8). 



PoJlaiilnrrliim <jllberte)i>'l.<, Maplestoiie, Proc. Roy. Sue. Vict., (ii.s.) x.xi., 2, 

 1909 p. 4,17, pi. xxviii., t'. 18. 



I',,l,i::n,irii. — A free Ijranfliiiig colony nnule up of iuteniodes of Iroiii 

 six ti) ten zowcia situated l)ack to back. liiteiiiodes connected by 

 slioit corneous tubes. 



Uiaij)tot<if. Zoaxia oval or pyriforra, veiitricose, sli^^btly calciticd and 



covered by a closely adlieriiig membraue. Tlie aperture is strongly 



