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



The only large Foraminifer associated with N. suhlavigata that 

 I have found is Orhitolites Mantelli [Orhitoides Mantelli, D'Orb.); 

 and the latter fossil, again, I have never found in company with 

 any other Nummulite, 



The diagram of "A", acuta," which I have given (Ann. Nat. 

 Hist. vol. X. pi. 4. fig. 9), to show that the same canal-system 

 existed in Nummulites as in Operculina, was compiled from sec- 

 tions of what we must now regard, with the rest, as N. suhlcevi- 

 gata ; for, besides being exactly alike, they came from Scinde, and, 

 from their being imbedded in an impure yellow argillaceous 

 limestone, probably came also from the lower deposits of the 

 Nummulitic series, if not from the " Hala Range " itself. It is 

 among these that the specimens of Orhitolites Mantelli are 

 found to which I have just alluded. 



Lastly, I would observe that the Nummulites brought by the 

 late Captain Newbold from IMuscat belong to the species called 

 N. sublavigata, and not to " N. obtusa/' as stated by me for- 

 merly. The error, therefore, into which D'Archiac and Haime 

 have thus been led (p. 123) should be corrected by transferring 

 what they have stated to the "Localites^^ of their N. sub- 

 IcBvigata. 



N. masiraensis, u. sp. — Discoidal, wavy, with a tendency to 

 sudden elevation in the centre. Septal lines reticulated, but 

 not densely, and in some instances almost tending to radiation 

 from the centre. Internal structure presenting the regularity 

 in the spire, and lengthening of the chambers in the direction 

 of, instead of across, the spire, characterizing the Reticulata 

 generally. 



Largest size. — Breadth ^ inch ; thickness ^ inch ; number of 

 turns, seventeen. 



Loc. Island of Masira, on the south-east coast of Arabia. 



Associates. — The only Nummulite associated with N. masira- 

 ensis is a small thick form, which appears to consist merely of 

 younger specimens of the same species, which, in their semi- 

 globose figure, contrast strongly with the thinness of the young 

 specimens of N. subleevigata. 



Obs. — At first I thought this was N. garansensis, Joly et Leym., 

 and so called it (Geol. Papers on Western India, pp. 544 & 572) ; 

 but on closer examination, assisted by D'Archiac and Haime, 

 I find it, from its open reticulation, not to be that species, but 

 to belong to their Subreticulata. The figure which I have given 

 of it (Ann. Nat. Hist. /. c. pi. 7 fig. 19) is evidently, as these 

 authors have stated (p. 343), "une coupe d'Orbitoide," that 

 is to say, the representation of the vertical section (fig. 20), in 

 which, by some oversight, the layers on either side of the central 

 plane, characteristic of Nummulites^ have been omitted. 



