een washed away, and the shells (a bed of
Turritella) alone remained.

Plate 1, Figures 1, 2, and 3, represent the selenite formation.

Plate 2, represents a mass of the rock containing numerous kinds of
shells, of which the following are the most conspicuous:

Cardium
Pectunculus
Corbula
Arca
Conus, and
Others unknown.

* * *

The following is a list of the fossils collected from various parts of
this formation, from which it is evident that a closer examination
would lead to the discovery of numberless species.

TUNICATA.

PLATE III.

FIG.1 Eschara celleporacea.
2 ------- piriformis.
3 ------- UNNAMED.

FIG.4 Cellepora echinata.
5 --------- escharoides?
6 Retepora disticha.
7 -------- vibicata.
8 Glauconome rhombifera.
All Tertiary in Westphalia and England.

RADIATA

9 Scutella.
10 Spatangus Hoffmanni--Goldfuss.
Tertiary, in Westphalia.
11 Echinus.

CONCHIFERA--BIVALVED SHELLS.

Corbula gallica--Paris basin--Tertiary.
Tellina?
Corbis lamellosa--Tertiary--Paris.
Lucina.
Venus (Cytherea) laevigata--ibid.
----- ---------- obliqua --ibid.
Venus
Cardium?--fragments.
12 Nucula--such is found in London clay.
13 Pecten coarctatus?--Placentia.
------ various?--recent.
14 ------ species unknown.
Two other Pectens also occur.
Ostrea elongata--Deshayes.
15 Terebratula.
16 One cast, genus unknown, perhaps a Cardium.

MOLUSCA--UNIVALVED SHELLS.

Bulla? Plate II., fig. 2.
FIG.17 Natica--small.
18 ------ large species.
Dentalium?
19 Trochus.
20 Turritella.
---------- in gyps.
21 Murex.
22 Buccinum?
23 Mitra.
24 ----- very short.
25 Cypraea.
26 Conus.
27 ----- (Plate II., fig. 3.)
28 Two, unknown, (Also Plate II, fig. 4.)
The above all appear to belong to the newer tertiary formations.

[Fig.17 to 27--These genera are scarcely ever, and some of them not at
all, found in any but tertiary formations.]

A block of coarse red granite forms an island in the centre of the
river near the lake, but is nowhere else visible, although it is very
probably the basis of the surrounding country.

ROCK FORMATION OF THE COAST RANGE OF ST. VINCENT'S GULF.

Primitive Transition Limestone.--Light grey, st