The National Series of Standard School-Books. 



NATURAL SCIENCE- Continued. 



CHEMISTRY. 



Porter's First Book of Chemistry, 

 Porter's Principles of Chemistry, 



% The above are widely known as the productions of one of the most eminent scien- 

 tific men of America. The extreme simplicity in the method of presenting the 

 science, while exhaustively treated, has excited universal commendation. 



Darby's Text-Book of Chemistry, 



Purely a Chemistry, divesting the subject of matters comparatively foreign to it 

 (such as heat, light, electricity, etc.), but usually allowed to engross too much atten- 

 tion in ordinary school-books. 



Gregory's Chemistry, (Organic and Inorganic, each) 



The science exhaustively treated. For colleges and medical students. 



Steele's Fourteen Weeks Course, 



A successful effort to reduce the study to the limits of a single term. (See page 34.) 



Steele's Chemical Apparatus, 



Adequate to the performance of all the important experiments. 



BOTANY. 



Thinker's First Lessons in Botany, 



For children. The technical terms are largely dispensed with in favor of an easy 

 and familiar style adapted to the smallest learner. 



Wood's Object^ Lessons in Botany, 

 Wood's American Botanist and Florist, 

 Wood's New Class-Book of Botany, 



The standard text-books of the United States in this department. In style they 

 are simple, popular, and lively ; in arrangement, easy and natural ; in description, 

 graphic and strictly exact. The Tables for Analysis are reduced to a perfect system. 

 More are annually sold than of all others combined. 



Wood's Plant Record, 



A simple form of Blanks for recording observations in the field. 



Wood's Botanical Apparatus, 



A portable Trunk, containing Drying Press, Knife, Trowel, Microscope, and 

 Tweezers, and a copy of Wood's Plant Record composing a complete outfit for the 

 collector. 



Willis's Flora of New Jersey, 



" Catalogys Plantamm in Nov<&C<zsarea repertarum.' 1 ' 1 This remarkable flora 

 is of great interest to all botanists, and the Jersey Pines have been termed u the 

 Mecca to which every young botanist hopes some day to make a pilgrimage." This 

 woikis indispensable to those botanizing on the ground, and is the most useful 

 book of reference ever published for collectors in all parts of the country. It con- 

 tains also a Botanical Directory, with addresses of living American botanists. 



Young's Familiar Lessons, 



Combining simplicity of diction with some degree of technical and scientific 

 knowledge for intermediate classes. Specially adapted for Texas and the South- 

 west. 



Darby's oouthern Botany, 



Embracing general Structural and Physiological Botany, with vegetable products, 

 aM descriptions of Southern plants, and a complete Flora of the Southern States. 



