227 



Leaflet. 



No. 21. A Study of Fishes. March, 1901. //. D. Iked. 



The Story of a Terrarium from Fall until Spring. Alice I. Kent. 



Planting a Plant. L. H. Bailey. 



(Nature-Study Quarterly No. 8.) 

 No. 22. A Chat with the Readt r. L. II. Bailey. 



Spiders. May, 1901. John Henry Comstock. 



List of the Teacher's Leaflets and Related Literature. 



(Nature Study Quarterly No. 9.) 



Lessons in the Farmers' Reading-Course. 



Ser'ies A. The Soil and the Plant. 



No. 1. 2d ed. The Soil : What it is. November, 1900. L. II. Bailey. 



2, " Tillage and Underdraiuage : Reasons why. December, 1900. 



J. W. Spencer and John Craig. 



3, " Fertility of Soil : What it is. January, 1901. G. W. Cavanauf/h. 



4, " How the Plant gets Its Food from the Soil. February, 1901. 



B. M. Duggar. 



5, " How the Plant gets Its Food from the Air. March, 1901. 



B. M. Duggar. 



6, " Problem of Impoverished Lands; With Answers to Questions on 



previous five lessons. December, 1900. L. H. Bailey, H. P. 

 Gould. 



Series B. Animal Industry. 



7, 2d ed. Balanced Rations for Stock. December, 1900. A. L. Knisely. 



8, " A Farmer's View of Balanced Rations. January, 1900. *S'. W. 



Fletcher. 



9, " Sample Rations for Milch Cows. February, 1901. LeRoy 



Anderson. 

 10, Isted. Soiling Crops and Silage. March, 1901. John Craig. 



10, Supplement. Review with answers to previous five lessons. John Craig. 



1901. (In preparation.) 



Series C. Orcharding. 



11, 1st ed. A Tree. November, 1900. John Craig. 



12, " Orcharding: A Survey of the Preliminaries. December, 1900. 



John Craig. 



13, " Management of the Orchard. January, 1901. John Craig. 



14, " Orcharding: Care of the Tree . February, 1901. John Craig. 



327 



