Frost.—Otoliths of Fishes from Tertiary of New Zealand. 613 
Otolithus eem gregarius Koken. (Plate 62, figs. 17, 21.) 
—44 x4 
Descri sim — Shape ronghly circular; outer side concave with umbo, 
inner side convex; dorsal rim rounded posteriorly, ventral rim carinate. 
Rostrum blunt, no antirostrum. Ostium wide; cauda narrow and curved 
downward. 
Occurrence.—Three examples from Waikaia and Clifden, received from 
Mr. H. J. Fi nM 
Observatio ~ Described by Koken (3) from the Upper Oligocene of 
Sternberger edat ; also by Priem (8) from the Burdigalien of south-west 
France. 
Age. — Tertiary (Oligocene or Lower Miocene): Oamaru series. 
Otolithus (Dentex) aff. subnobilis Schubert. (Plate 62, fig. 18.) 
Dimensions.—3} x 2% m 
Description.—Shape elliptical ; outer side concave with radiating furrows 
to ventral rim, and oblique groove on anterior part of dorsal rim ; inner 
side flat. Sulcus straight, ostium wide, upward inclination. Cauda wide 
with ppn S does not extend to aara im. 
eognau, south-west France. 
Age.—Tertiary (Miocene): Oamaru series. 
Otolithus (inc. sedis) umbonatus Koken. (Plate 62, fig. 19.) 
Dimensions, —2 x 1mm. 
ion.—Shape ovate, TI ; Ў side umbonated. Sulcus 
narrow, Act with ostium on 
—Two p Fain ak Waikaia and White Rock River, 
séceved | ‘cin Mr. H. J. 
ervation 4 Desteibed d Koken (2) from the Oligocene of Lattorf, 
verde Antwerp, and other places. 
Age.—Tertiary (Miocene) : Oamaru series. 
Otolithus (Parapercis) finlayi n. sp. (Plate 62, fig. 20.) 
Dimensions.—2 X 1 mm. 
Description.—Outer side convex, umbonated ; inner side flat; dorsal 
rim serrated, and sloping equally to front and rear of otolith ; ventral 
rim erescentic. Suleus oblique ; ostium and cauda of equal length. Cauda 
terminates some distance from rear of otolith. 
Occurrence.—Single example from Wharekuri, received from Mr. H. J. 
Finlay. SR Cas specimen, coll. H. J. Finlay.) 
ions.—This solitary and minute example is of a distinctive 
ктан type. I find that it most resembles the otolitha of the so-called 
ы "the cod " of New Zealand (Parapercis colias), and have therefore named 
Otolithus (Parapercis) finlayi, "t Mr. H. J. Finlay, to whom I am 
indebted for sending the specim 
Age.—Tertiary (Oligocene) : onmi series, 
