1850.] Proceedings of the Asiatic Society, 489 



Our old and zealous contributor Dr. Spilsbury sends us a large lump of 

 the Magnetic Diorite described in my paper in the Journal for this year, 

 He states also that the discoverer is Captain Jenkins, 10th Madras Infantry. 



He mentions also a fine slab of Dendritic Sandstone but this is not yet 

 received* though dispatched a year and a half ago ! 



He also presents a Hippopotamus' scull from the neighbourhood of Nur- 

 singhpoor, but minus the lower jaw; for which he is indebted, he says, to 

 Mr. Cheyne, a Madras Medical Officer; and a portion of the lower jaw of an 

 elephant of a kind totally unlike any of the preceding from the Nerbudda, 

 and which he thinks resembles the E. insignis of Cautley and Falconer. 



" It was dug up (he says) at Beltarree Ghat on the Nerbudda, a site from 

 which I sent specimens years ago. Vide As. Jour. Aug. 1834, p. 389. These 

 two specimens were sent in to Captain Elliot, the Deputy Commissioner of 

 Nursinghpoor, and by him placed at my disposal." 



Economic Geology. — I have put into the form of a paper for the Journal, 

 my examination of an orange-coloured soil sent from Sikkim by Dr. Camp- 

 bell, where it is used as a cure for Goitre. 



Captain Campbell B. A., Commissary of Ordnance, Saugor, Bundlecund, 

 has sent us a large collection of 128 specimens of rocks and ores, and of 44 

 specimens of clay of various kinds. These have not yet been examined. 



Dr. Spilsbury has also procured for us from Dr. Macintire, Residency Sur- 

 geon, Nagpore, specimens of the various Samy stones (see Journal : Proceed- 

 ings, Jan. 1845,) used in the polishing work of the arsenal there, as 

 " Country Emery." The following is an extract from Dr. Macintire's chit 

 sent by Dr. Spilsbury. 



" By this day's banghy I send you a packet of small specimens of the 



different kinds of Samy stone procurable. I have numbered them 1, 2, 3, 3, 



* 



3, 4, 5, 6, so that you can select those you require. I can then send you any 



quantity. The first five specimens are found in a quarry at a village named 

 " Pohorah" about 60 miles to the right of the Raepore and Calcutta road. 

 It is a regular " Koorrun" quarry, and these stones are taken from it to differ- 

 ent parts of the country as an article of trade by Brinjarras and other people. 

 They are found in strata as I have numbered them, i. e. No. 1, is under the 

 surface, No. 2, under that again, and then come the different kinds of No. 3, 



marked with the *. No. 3, is I believe found under all the others and there 



was too much water in the quarry to see what was under it. All these are 



* It has since arrived. 



