399 
Median valves.—' The dorsal area broadly wedge-shaped, 
highly arched, longitudinally convex, beaked, pinnatifid. The 
markings and sculpture are a little difficult of definition, there 
1s present a series of whitish spots arranged longitudinally on a 
dark-pink ground, the wavy longitudinal and transverse striae 
together with the colour markings give a granulose appearance 
to the whole of this area, which may be describe as lookin 
irdle.—Spongy, a fov veditéra d short spicules and an 
Sen fringe. Hair ibi: well defined, spicules short 
M easurement.—'The e (dry) measures 5 mm. x 24 
mm., being a little bit nea ably 6 mm. would be nearer 
correct. Mr. PAGE A shell 6 mm. x E miw. and Mr. Gabriel’s 
shell 8 mm. x 4 m 
The type remains ie the present in my collection but I 
shall epe ultimately to place it in the South Australian 
Muse 
Hab. —I collected the type myself at Port Lincoln, ge 
Australia, and sent two others, collected at the same plac 
time, to Mr. Iredale as being the same; but until these are 
returned to me and I can examine them under a microscope I 
cannot absolutely determine their identity. Messrs. Gatliff 
and Gabriel have both loaned me single specimens obtained off 
Point Cook, Port Phillip, Victoria, in 8 fathoms. 
Aemarks.—I am indebted to the two Boae. above 
Spirit which would remove the c abriel's shell, 
which is the largest of the trio, has a distinctly rug: 
Ar E rsen granulose towar< beak; the pinnatifid 
of vat minute scales on the girdle and of a girdle fringe. 
This interesting little Acanthochiton has been in their 
Collection for some years, but was wrongly identified by them 
as Sykes' shell 4. pilsbryi, a species dealt with in the earlier 
exin of i: paper. 
aming this shell after Mr. Gatlif, who with his 
colleagues haa dido much good work on the Victorian fauna. 
