L2i2 ; PHILINID#. 
fulvous, white within, a little narrowed posteriorly ; umbilicus broad ; 
columella broad, arched ; outer lip squarish above, rather straight in the 
middle (Sowerby.) 
Length, °8 inch. 
Auckland. (Cheesman.) ‘Tasmania. (Tenison-Woods.) 
Probably the same as the last. 
H. cuticulifera, Sth, Ann. Nat. Hist., 4-9-350. Shell elon- 
gato-cylindrical, above and below roundly quadrate, thin, white ; 
epidermis white, shining near the vertex and base tinted yellow, trans- 
versely sub-distantly striated with lines of growth, both above and 
below ; aperture broad, base dilated, hardly produced above the vertex ; 
columella short, sub-straight, reflexed, covering the umbilical region ; 
callus very thin, scarcely shining, jomed to the vertex; lip thin, 
thickened in the middle (Smith.) 
Length, °55 ; diam., ‘27 inches. 
New Zealand and Port Jackson. 
Genus, AKERA—O. F. Muller. 
Head disc elongated, entire behind; eyes none: mantle with a 
fimbriated edge projecting through the slit in the spire ; foot with the 
lateral lobes greatly dilated, folded in repose over the sides of the shell. 
Shell convolute, ovate, or sub-cylindrical, thin; spire truncated, the 
whorls distinct, channelled, the last whorl disjoined from the others at 
the suture ; aperture elongate, pyriform, rounded and entire in front ; 
inner lip excavated ; outer lip posteriorly free, angulated. 
A.tumida, Adams, in Sowerby’s Thes., ii., pl. 125, f 169; Reeve, 
Conch. Lc., f- 2. Shell sub-cylindrical, rather straight, with a single 
central band of brown ; spire contracted, flat, with the last whorl tumid 
above ; aperture rather square in front, contracted behind, with the 
outer lip a little produced above the centre; columella rather straight, 
narrow (Sowerby.) 
The shores of New Zealand. (Sowerby.) 
FAMILY—PHILINID. 
Teeth, central none, lateral one or two, large, hooked. Cephalic 
disc oblong or sub-quadrate, without tentacular lobes ; eyes none, or if 
present, sessile on the head. Mantle covering and concealing the 
shell. Foot not produced posteriorly ; the sides dilated, thick and 
fleshy. Gizzard armed with calcareous plates. Shell none, or internal, 
enclosed in the mantle ; when present, loosely involute. 
Genus, PHILINE—Ascanias. 
Animal investing the shell; eyes none; foot not produced pos- 
teriorly ; the side lobes large and fleshy. Shell fragile, ovate, con- 
volute ; spire none; aperture very large, open. 
