60 
wing to the imperfections of both figure and descrip- 
tions, it is necessary to append a full description. As far as 
but Dr. Pilsbry appends a note, "The hairs shown in the 
girdle, in fig. 9, are foreign to it." 
LoRicELLA ANGASI, H. Adams and Angas. 
(Proc. Zool. Soc., 1864, p. 193.) 
osterior valve.—'This is the smallest of the Mois n 
an J 
è B1 or 
) : Wavy ridges similar to the anteri 
Mew at irregular intervals by deep sulci following 
