70 Reports and Proceedings. 
a straight, chambered, siphunculated, internal shell, or “ phragmacone,” 
are Belemnites, Belemnitella, Belemnoteuthis, Beloptera, and Conoteuthis. Yo 
these Xiphoteuthis must now be added; and I think it very probable that 
by-and-by it will be found necessary to subdivide Belemmites, the difference 
between the “ pro-ostraca” of B. Bruguiertanus and B. Puzosianus being, 
probably, of generic importance. The extent of our knowledge of the 
structure of these different genera is very unequal. Of Belemmnoteuthis, the 
body and arms, hooks, ink-bag, and internal shell are all known, few fos- 
silized animals having left more complete remains; of Belemnites, the speci- 
mens described in this paper haye made known, for the first time, the form 
and proportions of the body and the arms, the hooks, the ink-bag, one type 
of “ pro-ostracum,” and less perfectly the beak; of Xiphoteuthis, the almost 
complete internal shell is known; of Conoteuthis, the “phragmacone ” and 
part of the “pro-ostracum;” of Beloptera and Belemmitella, only the “ phrag- 
macone” and “ouard;” but with the hooks, ink-bag, or soft parts of these 
last four genera we have no acquaintance.’ 
REPORTS AND PROCEEDINGS. 
—_—_4——_ 
GEOLOGICAL Socinty or Lonpon.—I. Dec. 21, 1864. The fol- 
lowing communications were read :— 
1. ‘On the Coal-measures of New South Wales, with Spirifer, 
Glossopteris, and Lepidodendron.’ By W. Keene, Esq. Communi- 
cated by the Assistant-Secretary. 
This important paper, showing the occurrence of Vertebraria and 
Glossopteris throughout the Coal-measures, —of Spirifer, Ortho- 
ceras, Bellerophon, &c. in some of the beds,—and of Lepidodendron 
in the lowest grit of the series, has already been noticed, among the 
British Assoc. Reports, in the GroLtocgicaL Macazing, Vol. I. 
. 233. 
" 2. ‘On the Drift of the East of England and its Divisions. By 
S. V. Wood, jun., Esq., F.G.S. 
In this paper the author divides the Drift of the country extend- 
ing from Flamborough Head to the Thames, and from the Sea on 
the east to Bedford and Watford on the west, as follows :—a, the 
Upper Drift, having a thickness of at least 160 feet still remaining 
in places; 6 ande, the Lower Drift, consisting of an Upper series 
(6), having a thickness from 10 to 70 feet, and a Lower series (e), 
with a thickness, on the coast near Cromer, of from 200 to 250 feet, 
but rapidly attenuating inland. e¢ comprises the Boulder-till, and 
overlying Contorted Drift on the Cromer coast, which along that 
line crop out from below 6 a few miles inland. ce also, in an atte- 
nuated form, ranges inland as far south as Thetford, and probably to 
the centre of Suffolk, cropping out from below 6 by Dalling, Wal- 
singham, and Weasenham, and. appearing at the bottom of the val- 
leys of central Norfolk. 6 consists of sands, which on the east coast 
overlie the Fluvio-marine and Red Crag, but change west and south 
into gravels, which pass under @ and crop out again on the north, 
south, and centre of Norfolk, and west of Suffolk and Essex, ex- 
