14 LIST OF PLATES. 



Plate VIII. Fronting page 356. Astronomy. A map of the circum- 

 polar stars, as they appear annually, on the fifth of August, at nine o'clock 

 in the evening ; and on other days, at other hours of the day. 



Plate IX. Fronting page -400. Geology. Restorations of Ancient 

 Animals, the bones or shells of which are found imbedded in the earth, 

 but all of which are now extinct. The drawing of the Mastodon, or mam- 

 moth, was made by Mr. W. G. Armstrong, from the skeleton found in 

 Ulster County, N. Y., now in Peale's Museum, Philadelphia. 



Plate X. Fronting page 446. Architecture. Grecian and Roman mould- 

 ings; and standard Models of the three Grecian Orders; of which the 

 proportions have been carefully collated from the best ancient speci- 



Plate XL Fronting page 496. Fortification. Plans and sections of 

 works both of Field and Permanent Fortifications, referred to in the 

 text. 



Plate XII. Fronting page 534. Music. The elements of Musical 

 Notation, or the modern method of writing music ; with the most approved 

 names of the notes in Solmization. 



