TABLE OF CONTENTS. Vll 



WILLIAM L. ELSEFFER. 



The Present High- Water Condition of the Lower Mississippi River 



(February 34, 1890) 109 



JAMES J. FRIEDRICH. 



On some New Species of Protozootites, Quaternary and Tertiary, 

 from California, and on the importance of Protozoa as rock- 

 building agents (November 4, 1889) 3S 



WARREN HIGLEY. 



The Condition and Needs of Forestry Legislation in the State of New 



York (December 9, 1889), absfraci 62 



H. HENSOLDT. 



The Teaching of. Natural Science in Schools (November 11, 1889), 

 abstract 37 



JOSEPH H. HUNT. 



A Group of Copper Pseudomorphs after Chalcocite, and Silica and 

 Prehnite Pseudomorphs after Pectolite, from Paterson, N. J. 

 (April 21, 1890), abstract 140 



H. NICHOLAS JARCHOW. 



The Practical Introduction of Forest Culture into America ; the 



difficulties and how to overcome them (December 9, 18S9) 57 



ALEXIS A. JULIEN. 



Suggestions in Photomicrography (January 6, 1890), abstract 76 



PHILIP A. KIKSCH. 



A Review of the American Species of Thread-Fins (Polynemidae) 



(October 4, 1889), title 15 



GEORGE F. KUNZ. 



A Remarkable Group of Meteorites from Kiowa County, Kansas 



(April 7, 1890) 186 



Meteoric Iron from Bridgewater, Burke County, North Carolina 

 (May 5, 1890) 194 



Meteoric Iron from Summit, Blount County, Alabama (May 5, 1890) 196 



