Notes on Victorian Rotifers. 77 



the outer edge being equal to the length. The cilia presented 

 a very interesting appearance, rhythmical waves passing 

 longitudinally downwards like the waves across a field of 

 corn. 



Sub-Order Loricata. 

 Family Rattulidjj:. 



(xxxviii) Mastigocerca carinata. Botanical Gardens, 

 Sandringham. The dorsal ridge was less developed in the 

 majority of the specimens taken, but in all other points, the 

 agreement was so close as to negative the idea of a new 

 species. 



Family Dinocharid.e. 

 (xxxix) Dinocharis tetractis. Botanical Gardens, 

 (xl) Stephanops muticus. Toorak, Botanical Gardens, 



Family Salpinadj^. 



(xli) Diaschiza se^iniaperta. Brighton. 



(xlii) Salpina hrevispina. Toorak, Botanical Gardens. 



Family Euchlanid^. 

 (xliii) EiLcJdanis dilatata. Common. 



Family CATHYPNADiE. 



(xliv) Cathypna (n. sp.) Brighton. [This form so much 

 resembled U. tuna, that' it is with some hesitation regarded 

 as new. The points of difference from G. lima are — in the 

 lorica being broader anteriorly, and the dorsal occipital edge 

 more deej^ly excavated ; the posterior possessing more of a 



