( vi ) 
LIST OF PLATES. 
1. Plan of Galleries containing Fossil Invertebrate Animals . Front isjn^cc. 
II. William Smith, LL.D., aged G9. (Lent by Dr. Henry Woodward) 
To face page 7 
III. Siliceous skeletons of Sponges from the Upper Senonian Chalk of 
Hanover To face page 42 
I\ . A slab of Lias shale from Boll, in Wurtemberg, covered with the 
remains of a large Crinoid, Pcwfacrt?H/s J/icMicrj . To face page 08 
V. Cambrian Trilobites from China. (Lent bv the Editor of the 
Geological illagazine) To face page 8G 
VI. Fossil Shells; Trigonia in Corallian rock from Weymouth ; part of a 
shell-bank in London Clay at Fareham, Hants . To face page 135 
\ II. Ammonite Marble : ilarston Stone, Lower Lias near Yeovil, full of 
Ambli/coceras planicosta ..... To face page 1G7 
In Plates IV, VI, and VII, the scale is given by a foot-rule divided 
into inches and photographed with the objects. 
LIST OF ILLUSTRATIONS IN TEXT. 
FIG. PAGE 
1. Living Foraminifera ; Miliola axiA Eotalia ...... IG 
2. Foraminifer from the Upper Chalk : AmnnaUna. (From Chapman, 
after Eley) ........... 17 
3. Examples of Foraminifera. (From Nicholson, after Brady) . . . 21 
4. Foraminifera as Eock-formers. (From Cliapman) .... 22 
5. Two generations of a Nummulite. (After Do la Harpe) ... 24 
G. Radiolaria, Recent and Fossil, (.\fter Haeckel and Riist) . . . 2G 
7. Radiolarian rock from the Lower Culm, Cornwall. (From Hinde and 
Fox) 2fi 
8. Fossil Sponge spicules : various Silicispongiae and Calcispongiae. (.After 
Hinde) ............ 30 
9. Fossil Sponge spicules : Silicispongiae, Hexactinollida. (.After Hinde) . 33 
10. Reconstruction of Ventriculites. (After Minchiu) .... 34 
11. Fossil Sponge spicules : Silicispongiae, Tetractinellida Choristida. (.After 
Hinde) ............ 3G 
