i 4 4 CHAPMAN, Fossils from Grange Burn. [voKXXXII. 



OX SOME SMALLER FOSSILS FROM THE RED LIME- 

 STONE AT GRANGE BURN, NEAR HAMILTON, 

 WITH A NOTE ON A NEW SPECIES OF BOLIVINA. 



By Fredk. Chapman, A.L.S., F.R.M.S., Paleontologist, 

 National Museum, Melbourne. 

 {Read before the Field Naturalists' Club of Victoria, Sth Nov., 191 5.) 

 In Memoir No. 5 of the Melbourne National Museum f I dis- 

 cussed the stratigraphical relationships of the limestone at 

 Grange Burn and Muddy Creek to the adjacent strata, and 

 also pointed out the significance of the fossil fauna of this lime- 

 stone. It contains, amongst other fossils, such typical 

 Janjukian forms as Linthia of the L. mooraboolensis type and 

 Lepidocxclina tournoueri, which are especially representative of 

 the Batesford and Moorabool Valley Tertiaries. The inter- 

 mediate position of this limestone, between the Balcombian 

 below and the Kalimnan above, was shown in the work 

 mentioned by data from river cliff sections. 



The object of the present note is to place on record the 

 results of a detailed examination of the finer material of the 

 above-mentioned Lepidocyclina limestone, which lends further 

 support to the view that it belongs to the Batesford horizon 

 and represents a similar phase of marine conditions of the 

 Victorian Tertiaries. 



This limestone, occurring in the bluff opposite Mr. Henty's 

 homestead of " The Caves," is of an ochreous brown colour, 

 but farther down the Grange Burn, towards its junction with 

 Muddy Creek, it is of a reddish or pink tint. Some of the 

 material obtained opposite Henty's was weathered, and 

 occurred on ledges and in pockets of the limestone, and to 

 obtain the specimens it required no treatment beyond washing, 

 drying, and sifting. 



The following is a list of the smallei fossils obtained from 

 the weathered limestone. The species previously recorded Erom 

 Batesford, + with which locality the Grange Bum occurrence 

 i> stratigraphically associated, are marked *. 



FORAMINIFERA. — Bolivuui hoitvana, sp. now. *Nodosaria 



obliqua, P., sp., Marginulina costata, Bats* h, -p.. *Polymorphina 

 elegantissitna, Parker and Jones, */\ regina, Brady, Parker and 

 'Did raphanus, P. and J., *Truncattdina ungeriana, 

 d'Orb., sp., *T. refulgens, Montf., sp., *Pulvinulina elegans, 

 d'Orh.. sp.,* Rotalia calcar, d'Orb., sp., *(,ypsin<i Iwwchini, 

 < hapm., *Amphistegina lessonii, d'Orb., *Operculina complanata, 

 Defr., *0. complanata, var. granulosa, Leymerie, * Lepidocyclina 



t July, 1914. PP. 45 and 47- 



\ Study "i the Batesford L torn " Proc. Roy. Soc, Vict.. 



vol. x\ii. (.Vs.), pari u., 1910, pp. jo2 308. 



