Mr. H. J. Carter on the Fossil Foraminifera of Scinde. 379 



In the spire, N. masiraensis closely corresponds with N. suh- 

 Icevigata, and thus differs in this respect from N. garansensis as 

 much as N. suhlcevigata. Then, again, it is much larger than 

 N. garansensis, and does not present the " subpustuliform pores" 

 (D'Archiac and Haime, pi. 3. fig. 7). That I have the largest 

 size' (at all events, of the locality) is proved by the approxi- 

 mation of the outer turns in the largest specimens. 



It differs from N. suhlavigata in being smaller, in the septal 

 reticulation being more open, and in tlie young ones being semi- 

 globular instead of thin, which they are in N. suhlcevigata. There 

 is, however, the same tendency to sudden elevation in the centre 

 which appears to be common to all the Reticulatce . 



These Nummulites are imbedded in a loose, calcareous, 

 gritty, sandy deposit, of a pinkish coloui*, passing upwards into a 

 whitish compact limestone (Geological Papers on Western India, 

 p. 571). 



In the Museum of the Asiatic Society of Bombay is a slab of 

 pink arenaceous limestone richly charged with a reticulated 

 Nummulite so closely allied to N. masiraensis that I think it 

 must be the same species. It is accompanied by numbers of 

 Orbitoides dispansa and a small Nummulite belonging to the 

 StriatfB, all of which retain their whiteness, while the limestone 

 in which they are imbedded is of a deep pinkish colour. The 

 locality from which the slab came is unknown ; but the colour 

 and composition of the matrix, together with the reticulated 

 Nummulite, closely correspond with the Masira bed in these 

 respects, although there is not the remotest probability of its 

 having come from that island. 



N. ? Thin, compressed ; the reticulated structure com- 

 mencing at the margin. Spire regular; chambers lengthening 

 in the direction of the spire towards the circumference. 



Largest size. — Breadth ff ; thickness -^^ ; number of turns 

 eleven. 



Loc. Has Khoriat, on the mainland of the south-east coast of 

 Arabia, nearly opposite the island of Masira. 



Obs. — I have examined and described this small Nummulite 

 chiefly to record the existence of the Nummulitic series at this 

 point on the mainland of the south-east coast of Arabia. Al- 

 though nearly opposite, and very close to, the island of Masira, 

 and a reticulated form, it is not N. masiraensis, as the thinness 

 compared with its breadth proves. It is probably the young of 

 a species which attains a larger size, as the specimens are very 

 small and the outer turns of the spire not approximated. In 

 thinness it corresponds with N. intermedia, D'Archiac and Haime 

 (pi. 3. fig. 3), and is found in a white chalky deposit. 



