388 RALPH TATE. 
V. macroptera and V. Allportt have the characteristic proto- 
conch of this group, and it is only the early spire-whorls that have 
the spiral ornamentation ; apart from differences of shape, V. 
macroptera is winged, though it is almost impossible to separate 
young examples of the two species. 
Family Mirriv2. 
Mr. Harris locates thirteen of our twenty-four described species 
of Mitra as follows : 
Genus Mitra. 
M. alokiza, M. uniplicata, and adds a new species MU. multi- 
sulcata. I would add M. dictua, M. varicosa, and ? M. atypha. 
Subgenus Cancilla. 
M. atractoides. 
Genus Uromitra, Bellardi, 1887. 
M. leptalea, M. paucicostata, M. exilis, M. semilevis, M. terebri- 
forms, M. clathurella. Three of the foregoing had already been 
referred by Cossmann (1889) to Fusimitra (auctores, non Conrad). 
And I add M. biornata, M. sordida, M. escharoides, M. subcrenularis 
and WM. citharelloides. 
Genus Conomitra, Conrad, 1865. 
M. othone, M. Dennanti, M. ligata. And I add M. conoidalis, 
M. cassida, and M. complanata, Tate, and M. anticoronata, 
Johnston. 
Family CANcELLARIDA. 
Genus Cancellaria. 
Cossmann' distributes our species as follows :— 
Section CanceLtaria :—C. Wannonensis. 
Section Biveria :—C. gradata and C. ptycotropis. 
Section Sventia :—C. epidromiformis and C. exaltata; these 
species have a conic embryo, not planorbulate, and there- 
fore do not belong to Uzia. 
Section Merica :—C. modestina, 
1 Ann. Geol. Univ., Vol. v., p. 1091, 1889. 
