192 Proceedings of the Royal Society of Victoria. 



Margmulina scalpriitn, Terquem, 1866. Foram. du Lias, 

 sixieme Mem., p. 509, pi. xxi., tig. 27. 



Remarks. — This species has, typically, a sub-triangular test, 

 strongly compressed ; ornamented with tine, curved, longitudinal 

 striae. Terquem's liassic specimen has more numerous and 

 narrower chambers than ours. 



V. intumescens was originally obtained from the neocomian 

 of Germany, and it has also been recently found in the cretaceous 

 of South Africa. (Author's MS.) 



Occurrence. — Frequent; Jurassic, Greenough River district, 

 West Australia. [2129-31.] 



Genus Cristellaria, Larmarck. 

 Cpistellaria potulata, Lamarck sp. (PI. XXIL, Fig. 9.) 



Lenticulites rotulata, Lamarck, 1804. Ann. Museum, vol. v., 

 p. 188, No. 3. Tab. Encycl. Meth., pi. cccclxvi., fig. 5. 



Cristellaria rotulata (Lam.), D'Orbigny, 1840. Mem. Soc. 

 G^ol. France, ser. 1, vol. iv., p. 26, pi. ii., tigs. 15-18. 



Rotulina muensteri, Romer, 1841. Verstein. norddeutsch. 

 Kreidegeb., pt. 2, p. 98, pi. xv., tig. 30. 



Cristellaria rotulata (Lam.), Reuss, 1846. Verstein. bohm. 

 Kreidef., pt. 1, p. 24, pi. viii., tigs. 50^, /;, and 70. 



C muensteri (Rom.), Reuss, 1862 (1863). Sitzungsb. d. k. 

 Ak. Wiss. Wien., vol. xlvi., Abth. 1, p. 77, pi. ix., figs. 3a, b, 

 and 4rt, h. 



C. lenticulata, Wisniowski, 1890. Pamietnik wydz matem. — 

 przyrodn. Akad. Umiejetn w. Krakowie, vol. xvii., p. 47, pi. ix. 

 (ii.), tigs. 24rt, b. 



C. rotulata (Lam.), Perner, 1892. Foraminifery Ceskeho 

 cenomanu, p. 62, pi. iv., figs. 1-11. 



C. rotulata (Lam.), Egger, 1899. Abhandl. K. bayer. Ak. 

 Wiss., CI. ii., vol. xxi., Abth. 1, p. 122, pi. xi., fig. 3. 



Remarks. — This widely distributed and persistent type is a 

 well-known form in Jurassic deposits, but it is not nearly as 

 common as the more ornate type with secondarily thickened 

 sutures, exemplified by the Cristellaria cassis group. 



Occurrence. — One specimen (small, but otherwise typical); 

 Jurassic, Greenough River district, West Australia. [2132]. 



