326 
ba 
REGISTER OF PLATES, MAPS AND OTHER ILLUSTRATIONS. 
Vou. VII.—P.ates. 
1. Fac Simile of Goshen Graphic Rapp: - - 22 
Pseudomorphous Granite, - - - 22 
Block of Limestone in Granite, - wee : 22 
Rocking Stone of Roxbury, - - - 59 
2. Proteus of the Lakes, (3 figs.) by Dr. 8. L. Mitchill, — - 63 
3. Shells, (genus Chiton,) by D. H. Barnes, - - 69 
4. Diagrams to Blake’s paper on Teeth of Cog-Wheels, —- 86 
5. Perkins’s new Steam Engine, - - > 111 
E. Hitchcock’s Mineralogical Hammer, - - 175 
6. R. Hare’s Electrical and Chemical ARPAratS; 108, 108, 110 
7. Rocking Stone, Warwick, R.1., — - - 201 
8. Diagrams illustrating Quinby’ s paper on Crank Motion, 316 
Chilton? s Rain Gauge, - - - : 326 
9. Diagrams illustrating Precession of the Equinoxes, - 323 
Halo seen at New Lebanon, - : - 337 
10. Jacob Perkins’s Improved Steam Engines, - - 332 
Geological Map of Martha’s Vineyard, Mass., : 240 
11. R. Hare’s Improved Deflagrators, - - - 347 
Vou. VII.—Pxates. 
1. Geological Map of Berkshire Co., Mass., &c., 1824,  - 1 
2. New Air- -pump (Patten’s), - : 144 
Organic Relic, (Orthoceratite,) - - - 85 
Singular position of Granite, - - - a) 
Precession of the Equinoxes, - - - - ° 140 
Figures of ‘Crystals, - - - 91 
3. Geological Map of Easton, by F. Finch, - - 236 
4, Granite Veins in Chester, Mass. Bit : - 250 
Dana’s Air-pump (Patten’s), —- - - : 275 
Inclination of Mica Slate and Argillite, - - 242 
5. Prof. De Butts’s New Galvanic Instruments, —- - 271 
6. Figures of the May Bug (genus Melolontha), by J. Cist, 269 
Vou. IX.—Pates. 
1. Snake Hill in Saratoga Lake, (Frontispiece,) - 1 
2. Rocking Stone in Savoy, Mass., > : A Q7 
Oolite Formation, Saratoga Co., N. Y., - - 18 
Singular Conformation of Limestone, Williamstown, Mass., 19 
Map of Mineral Localities on Connecticut River, by T. D. 
Porter, - - : - - : 177 
3. Gyropodium coccineum, Schw., - 56 
4. Patten’s Air-pump, Gazometer and Balance Beat - 92 
