Zoolt)yi/.~\ 



NATURAL HISTORY OF VICTORIA. 



[Polyzoa. 



mandible, and especially by the vibracular grooves for the lodgment 

 of the setae extending across the median line on the surface of a 

 cell of the other series. 



Explanation of Figures. 



Plate 136. — Fig. 4, specimen, natural size. Fig. 4a, front view of portion of same, 

 magnified. Fig 46, back view of same. 



The specimens and descriptions of Caberea and Cauda on this 

 plate have been given by Mr. MacGillivray for the National 

 Museum collection and this work. 



Frederick McCoy. 



[ 140] 



