578 Transactions. 
the South-west, but it is also represented in the Tortonian of Hungary." 
—(Cossmann. 
e appearance of this rare subgenus in New Zealand is of great 
interest, gend since its time-range here corresponds approximately to 
that in 
n. TO ата 
auriformis : circum-umbilica eel set in from the rounded periphery. 
huttoni : cireum-umbilical koel i feted the periphery. 
Micreschara (Macromphalina) auriformis n. sp. (Plate 60, figs. 5, 6.) 
Shell small, auriform, depressed; spire very low; whorls 3 or 4 
rapidly increasing; surface smooth : lain, tangential at first, 
but abutting near aperture, which is oval, distended, and much inclined ; 
outer lip convex, retr acted to suture; inner lip concave, straightened 
at sharp angle some кшт in from rounded peripher 
Type in шыра ої д Е н lay. 
Height, 3 diam 
Locality. мае Hill Ж бө, 
Micreschara (Macromphalina) huttoni n. mut. (Plate 60, figs. 1,2, 3.) 
1877. Sigaretus carinatus Hutton, Trans. N.Z. Inst., vol. 9, p. 597 (not of Muenster 
n 
1914. чо carinata (Hutton): Suter, N.Z. Geol. Surv. Pal. Bull. 2, р. 10, 
figs. a, 0, 1 
1918. Sinum carinatum (Hutton) : Suter, N.Z. Geol. Surv. Pal. Bull. 5, p. 88. 
Localities —White Rock e = (type); Target Gully, Oamaru: 
(fide P. Marshall). (Lower Mioc or Upper Oligocene.) 
M. problematica Desh. and M. i "dodi Cossm. from the Eocene of 
the Paris Basin are чун ames to the New Zealand species. 
The combination Siga carinatus was preoccupied when Hutton 
се: it—by А "olds, 1837 (Abbild. и. Bashi: d. Petrefakten Deutch- 
lands, &c., iii oe . 168, f. 16), and by Muenster, 1842 (Beitrage sat 
Parcae Kunde _ 93, t. 9, f. 16): therefore the specific name 
propose 
SYNOPSIS OF CHANGES IN NOMENCLATURE AND CLASSIFICATION. 
Suter's Classification, Revised Classification. 
Natica australis (Hutton) .. Natica maoria Finlay. 
— zelandica Q. © С. 
a а i zelandica ©). & G.. 
Polinices ambiguus Suter .. .. (Not see n)* 
—— amphialus (Watson) .. a Uber (Euspira) vitreus (Hutton). 
—— callosus y cameo P .. —— intracrassus (Finlay). 
—— utton) .. 
LN ta) huttoni Ihering —— huttoni Ihering. 
—— laevis (Hutton) | .. Globisinum oo (Hutton). 
—— (Euspira) ovatus (Hutton) .. Uber ovuloides n 
—— planispirus Suter . Natica (Manat) "d n. mut. 
—— — (Neverita) sagenus Suter . Uber s 7 
Sinum carinatum (Hutton) ds ГТ уйй qu отган А hution 
mut. 
* The type could not be found in Canterbury Museum. 
