( vi ) 



LIST OF PLATES. 



T. Plan of Galleries containing Fossil Invertebrate Animals . Frontisjoiece. 

 II. William Smith, LL.D., aged 69. (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 



IV. A slab of Lias shale from Boll, in Wurtemberg, covered with the 



remains of a large Crinoid, Pentacrinus Hiemeri . To face page 63 

 V. Cambrian Trilobites from China. (Lent by the Editor of the 



Geological Magazine) ...... To face page 86 



VI. Fossil Shells : Trigonia in Corallian rock from Weymouth ; part of a 



shell-bank in London Clay at Fareham, Hants . To face page 135 

 VII. Ammonite Marble : Marston Stone, Lower Lias near Yeovil, full of 



Amblycoceras planicosta ..... To face page 167 



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. 



PIG. PAGE 



1. Living Foraminifera : Miliola and Botalia ...... 16 



2. Foraminifer from the Upper Chalk : Anomalina. (From Chapman, 



after Eley) 17 



3. Examples of Foraminifera. (From Nicholson, after Brady) . . . 21 



4. Foraminifera as Rock-formers. (From Chapman) .... 22 



5. Two generations of a Nummulite. (After De la Harpe) . . .24 



6. Eadiolaria, Recent and Fossil. (After Haeckel and Riist) ... 26 



7. Radiolarian rock from the Lower Culm, Cornwall. (From Hinde and 



Fox) 28 



8. Fossil Sponge spicules : various Silicispongiae and Calcispongiae. (After 



Hinde) . 30 



9. Fossil Sponge spicules : Silicispongiae, Hexactinellida. (After Hinde) . 33 



10. Reconstruction of Ventriculites. (After Minchin) .... 34 



11. Fossil Sponge spicules : Silicispongiae, Tetractinellida Choristida. (After 



Hinde) 36 



