Trans. Roy. Soc. Edin? Vol. XLV. 
MURRAY: THE ROTIFERA OF THE ScortTisH LocHs——PLareE IIL. 
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10 CALLIDINA HABITA var. BULLATA,n.var. I1,C.LONGICEPS,n-sp. 12, C. PUSILLA, Bryce, var. 
13, CALLIDINA HEXODONTA, Bergendal. 
