66 
NOTES ON AUSTRALIAN POLYPLACOPHORA, INCLUDING 
DESCRIPTIONS OF Two NEW GENERA, A NEW VARIETY, 
AND THE DESCRIPTION AND PROPOSED RECOGNITION 
OF MR. BEDNALL'S STENOCHITON PILSBRYANUS. 
By Epwin Asusv F.L.S., M.B.O.U. 
[Read July 11, 1919.] 
ELATE XI. 
ISCHNOCHITONIDAE. 
Genus STENOCHITON. 
ZOSTERICOLA, n. subgen. 
in the paper on Stenochitons (Trans. Roy. Soc. S. Auk 
vol. xlii., 1918), and included the subgeneric name 9 
Zostericola in the distribution list published in the same 
number of the Transactions. 
The name Zostericola is derived from the name of 
genus of plants upon which it is said to have been found, an 
upon which it no doubt lives. 
Type Stenochiton pilshryanus, Bednall. 
ZOSTERICOLA PILSBRYANUS, Bednall. 
. t 
une and drawings of Stenochiton pilsbryanus C 
oc., vol. ii., pt. 4, 1897). I trusted that the type W° 
gure. e 
he specimens I have marked ‘type’ do not mer 
with the figure, nor have I seen the dissections." Thus 
