238 Reports and Proceedings— Geological Society of London. 
Lacco Ameno, Island of Ischia. —Acquadella Rita 1833, 70°. c. 
(Der Rivaz) W830; sols. che(Guariny) ss ilith eave mlSoZ Goce: 
(Jervis). 
Barano d’Ischia.—Fumarola di Saint’ Angelo, on the beach; 
February 1869, 100° c. (Jervis) ; 11th May, 1892, 100°. c. (Jervis). 
Casamicicola.— Stufe or Fumarole di Castiglione 1822, upper fuma- 
role 56°. c. lower fumarole 66°. c. (Del Giudice) ; 11th May, 1892, 
lower fumarole 56°. c. (Jervis). 
Pozzuoli— Fumarola della Bocca della Solfatara, February 1862, 
93°. 4—96°. 5 c. (Deville); June 1865, 77°.—96°. c. (Deville) ; 
1865, 96°. c. (Fouqué) ; July 1867, 115°. ce. (Gorceix); January 
1869, 92°. c. (Jervis); 12 May, 1892, 95°. c. (Jervis). 
Naples.—Stufe di San Germano, 1856, 64°.—98°. ce. (Deville) ; 
1857 and 1882, 61°.—97°. ec. (Deville); 1857 and 1862, 61°.—97°. ¢. 
(Deville) ; July 1869, 85°.—96°. c. (Deville); May 1892, 86°. c. 
(Jervis). 
Naples.x—Acqua del lago prosciugato di Agnana, May, 1892, 
69°.—78°. according to place (Jervis). 
Naples. —Grotta del Cane, May 1892, 38°. c. (Jervis). 
Turin, September, 1892. 
SSSI AO Sab SS SCINGID) 1S ss OChapaiDsciny Crs). 
= 
GEOLOGICAL Socrety or Lonpon. 
J].—March 22nd, 1893.—W. H. Hudleston, Esq., M.A., F.R.S., 
President, in the Chair. The following communications were read :— 
1. “On the Jaw of a new Carnivorous Dinosaur from the Oxford 
Clay of Peterborough.” By R. lydekker, Esq., B.A., F.G.S. 
The Author describes a fragment of the left side of a lower jaw 
of a Carnivorous Dinosaur from the Oxford Clay of Peterborough, 
indicating a new genus and species, which he names Sarcolestes 
Leedsi. 
2. “Ona Mammalian Incisor from the Wealden of Hastings.” By 
R. Lydekker, Esq., B.A., F.G.S. 
In this paper a small rodent-like tooth from the Wealden of 
Hastings, belonging to Sir John Evans, K.C.B., is described. It is 
probably the front tooth of one of the mammalian genera found in 
the Purbeck Beds, as may be gathered from American specimens. 
8. “On an Intrusion of Muscovite-biotite-gneiss in the South- 
eastern Highlands, and its accompanying Thermo-metamorphism.” 
By George Barrow, Esq., F.G.S., of the Geological Survey. (Com- 
municated by permission of the Director-General of the Geological 
Survey.) 
The area to which this papers refers lies in the north-eastern part 
of Forfarshire, and is drained by the two Esks. The Author first 
describes the distribution, mode of occurrence, and petrological 
characters of the intrusive masses. In the north-western portion 
of the area the intrusive rock is always a gneiss, and occurs in thin 
tongues which permeate the surrounding rocks. ‘Towards the south- 
