FiNLAY.—Molluscan Fauna of Target Gully. 515 
but the former has a recurved, spiny keel, and a sutural sulcus bounded 
be an elevated ridge, while the latter has a stout, twisted ap and the 
sinus on the keel. Perhaps the nearest xelutove 3 is Cochlespira Conrad, an 
Oligocene genus; but this also has a spiny keel, and the fasciole i is separated 
from the suture by a beaded ridge. 
AUSTROTOMA n. subgen. Type, Bathytoma excavata Sut. 
For Bela woodsi Tate, an Australian Tertiary еш, Cossmann has 
proposed the genus Belophos, which he places in the Buccinidae. This 
shell, however, belongs to the Turridae, being quite Eun in facies to 
Pseudotoma, though it may at once be separated from the typical Italian 
forms by the deep basal notch, with its accompanying prominently cari- 
laevis Bell. and 
nated fasciole. P. P. intorta Br. have only a weak 
notch and a feeble asa without t a carina. The New Zealand species 
B. excavata € and its allies (B. eximia Sut., B. suteri Cossm sta 
Hutt.,* nica Sut., &c.) seem to represent a later stage in 
; development zd B. woodsi, in that the axials tend to multiply, weaken, 
Itimately vanish, and the Тыла to form strong raised cords, often o 
greater ылы prominence than the axials. B. woodsi has (like P. laevis 
and P. intorta) weak and thin spirals, but strong, pcos and far more 
prominent axials, and the body-whorl is anteriorly far more contracted. 
heel is also évident i in the embryo, which in P. intorta has a ралоо 
tip and bears only spiral threads; in B. ezcavata Sut. the little p 
erect and the whorls more closely knit, and nu some distance before ; ths 
terminal varix axial acceleration is shown, producing reticulation. Some 
of our species have already been referred by Suter to Pseudotoma Bell. ; 
in rejecting this name from the Neozelanic fauna I would point out that 
Pseudotomus Cope, 1872 (Mammalia), has a year’s priority and invalidates 
Bellardi’s name. Аз a substitute, Pseudotomina nom. nov. (type, P. laevis 
Bell.) may be suggested as causing the least confusion. From study of 
hose 
forte was spiral ornament, perhaps Cryptoconus or Conorbis ; strong axial 
sculpture (and, in Belophos, a basal notch) then developed ; чыг became 
impressed on the protoconch in later dero and finally beg n to grow 
obsolete again in Austrotoma, some of the New Zealand ay forms of 
which have lost all but the embryonic леги ‚= axial ribs. 
PHENATOMA n. gen. Туре, Pleurotoma novae-zelandiae Reeve. 
A shell with superficial resemblance to Epideira Hedley, to which genus 
its author has suggested it ne be referred. There is cud however, 
тан 
doubtfully distinct from Epalxis Cossmann, proposed for a few Parisian 
Eocene — which differed from Bathytoma s. str. in practically the 
same details as Hedley gives for Epideira ; i5 types of the two genera 
retained in a sectional sense, since the austral ы seem to have uniformly 
tton's name dates from 1877; same combination had been йш 
employed by Packard (Mem. Bost. Soc. Nat. Hist., p. — ET The New Zealand 
shell may be renamed Belophos н. minor nom. 
17% 
