125 p: LZ 
¥FurriteHa-atkinsoni,_lenison-Woods7 ee ~medioangu- 3024, 
lata, n. var, Pl. xxx., figs 8 and 9. 
/ Shell rather thin, turriculate, of twelve whorls, including _ 
a slightly mamillate blunt protoconch of two convex smooth 
whorls. Suture distinct. linear. Whorls medially strongly 
angulate and feebly carinate, sloping to both sutures, con- 
cavely to the lower, and feebly swollen midway to the upper. 
The first and second whorls are bicarinate, the lower carina 
is the rather less valid and gradually decreases to an obsolete 
spiral stria. : 
In successive whorls new striz arise, so that in the pen- 
ultimate there are three in the upper and four in the lower 
half of the whorl, but all obsolete. The body-whorl has a 
round cord-like carina forming the periphery at the suture, 
beyond which the base is nearly flat, slightly concave, and 
with numerous sublenticular spiral strie. Aperture roundly 
hexagonal, with a wide effuse base; outer lip thin, roundly 
angled at its centre (the carina ceasing some distance from 
it), with a wide deep sinus having its centre at the angula- 
tion. Columella curved. Colour yellowish-brown, lighter 
along the suture, the earlier whorls translucent-white, tinted 
brownish along the angulation. 
Dim.-—Wength, 129 mm.: breadth, greatest 3°6 mm., 
least 3 mm. 
Locality.—Type in 104 fathoms 35 miles south-west of- 
Neptune Island, with more than 80 others; in 110 fathoms 
off Beachport, 7 fresh, 4 poor; in 150 fathoms, 39 good; 
in 200 fathoms, 29 large but poor, only 2 good; in 90 fathoms 
off Cape Jaffa, 24 good and alive, 55 small; in 300 fathoms, 
15 poor and small. It would seem, therefore, to favour 90 to 
200 fathoms, and to be essentially a deep-water form. TI have 
not taken a specimen at any less depth. 
Variations.—It may reach a length of 17°75 mm. and 
have fourteen whorls. The angulation may be provided with 
a distinct carinating cord. One of the spiral striz just behind 
this may also become a valid cord, and together with these, in 
other specimens, the peripheral spiral may appear just above 
the suture, with another valid spiral close behind it. © These 
differences suggest conspecifity with 7. atkinsoni, Tenison- 
Woods, although my typical shell, and the boldest-ribbed 
examples of his species, are very unlike. But he described 
his type as having “two principal keels’; 7. godeffroyana, 
Donald, has three, and Tate says 7'. atkinsoni has four. The 
two figures drawn by Tate and May in Proc. Linn. Soc., 
New South Wales, Joc. cit., show two very dissimilar forms, 
