76 Transactions. 
In N.Z. Geol. Surv. Pal. Bull. No. 8, p. 19, this species is listed as 
G. striatularis (see below, p. 77). 
Glycymeris waitakiensis n. sp. (Plate 5, fig. 2; Plate 6, fig. 2.) 
Shell of moderate size, fairly solid, roundly trigonal almost equilateral, 
inflated ; beaks broad, prominent, but only moderately projecting above 
the hinge-margif; anterior end steeply sloping above, broadly rounded 
below ; posterior end similar, slightly attenuated ventrally ; sculpture— 
the surface is almost smooth but weathering shows very narrow radials 
corresponding to the fine crenulations of the inner margin; ligamental 
area short and broad, closely striated by 7-8 grooves; teeth small and 
fine, about 12 on each side, 6 of which are free of the area. ; 
Height of holotype (left valve), 39 mm. ; length, 40-5 mm. ; thickness, 
15 mm. - 
Holotype in collection of N.Z. Geological Survey. 
Locality —483—Hutchinson’s Quarry greensand, Wharekuri (McKay). 
Material, one specimen, in very good preservation. : 
rks.— This shell may be distinguished from G. trelissickensis by its 
trigonal shape, and from G. callaghani by its approach to an equilateral 
disposition. 
Listed by Suter іп N.Z. Geol. Surv. Pal. Bull. No. 8, p. 69, as G. cordata (1), 
in Mr. Uttley's collection. : 
Glycymeris callaghani n. sp. (Plate 5, fig. 1; Plate 6, fig. 1.) 
Shell large, solid, inequilateral, obliquely ovate, inflated ; beaks moderate, 
narrow ; anterior semicircular ; posterior end attenuated ventrally : 
sculpture—surface covered with very fine radial riblets, underlain by 
obsolete primary ribbing, showing plainly on weathering, these ribs are 
about 50 in number: inner margin with crenulations of moderate size; 
ligamental area short but wide, closely striated by 8-10 well-incised grooves; 
teeth fairly strong ; muscular impressions subequal, the posterior with à — 
very strong ridge in front of it. 
Holotype in collection of N.Z, Geological Survey. : 
Height of holotype (right valve), 50 mm. ; length, 51 mm. ; thickness, 
18 mm. 
Localities :— 
154 (in part)—Greensand, Callaghan's Creek, Kanieri district (N.Z. 
Geol. Surv. Rep. No. 9 
by Mr. Bartrum.) ; 
649—Paparoa Rapids, Wanganui River, (The beaks of these speci- 
mens are broader than those of the type.) 
? 899—Taumatamaire, Awakino. 
" matrix. 
в species may be distinguished 
obliquity. The outline is like that of G. ma 
but the fine o:namentation and cl 
| i impression j r in any other 
~ Species of the genus, pression is stronger than in any | 
» 1877, p. 84). (Holotype.) (Collected also | . 
(А small specimen filled with — 
ioe 
