SOME LITTORAL GATHERINGS. 141 



Gypsina vesicularis, Parker & Jones sp. ; Egger, 1893, Abhandl. k, 

 layer. Akad. Wiss., CI. II., vol. xviii., p. 382, pi. xiv., figs. 

 20—23; Chapman, 1900, Journ. Linn. Soc. (Zool.), p. 198, 

 pi. xix., fig. 12. 



Sh., very rare j T., very rare. 



Family NUMMULINIDAE. 

 Sub-family Polystomellinae. 

 Genus Nonionina, d'Orbigny. 

 Nonionina depressula, Walker & Jacob sp. 



Nautilus depress id us, Walker & Jacob, 1798, Adams' Essays, 



Kanmacber's ed., p. G41, pi. xiv., fig. 33. 

 Nonionina depressula, \V. & J. sp. ; Wright, 1900, Geol. Mag., 



Dec. 4, vol. vii., p. 100, pi. v., fig. 23. 



B., very rare. 



Genus Polystomella, Lamarck. 

 Polystomella striatopunctata, Fichtel & Moll sp. 



Nautilus striatopunctatus, Fichtel & Moll, 1798, Test. Aficr., p. 61, 



pi. ix., figs, a— c. 

 Polystomella striatopunctata, F. &. M. sp. ; Wright, 1900, Geol. 



Mag,, Dec. 4, vol. vii., p. 100, pi. v., fig. 24. 



The Victorian examples are generally distinct from the allied 

 form P. macella, but transitional individuals are occasionally met 

 with, having laterally compressed shells with a sharp periphery. 



A.B., frequent ; B., very rare; M.H., rare ; T., very rare. 



Polystomella macella, Fichtel & Moll sp. 



Nautilus macellus, var. a, Fichtel & Moll, 1798, Test. Micr., p. 66, 



pi. x., figs. e—g. 

 Polystomella macella, F. & M. sp. ; Brady, 1884, Rep. Chall. } 



vol. ix., p. 737, pi. ex., figs. 8, 9. 



Previously recorded from shore-sand near Melbourne. The 

 Victorian examples are usually irregular on the peripheral 

 margin, thus resembling to some extent Brady's P. imperairix, 

 but without the occasional, strong spines. 



A.B., frequent; B., frequent; M.H., very] are; Sh., rare; 

 T., very common. 



