Summer Courses in Sciences and Nature=Study 



Cornell University 



JULY 4— AUGUST 14, 1907 



In addition to courses of instruction in all the branches of the high school curriculum^ 

 special opportunities are offered for work in Geography, Nature- Study and Biology, as well 

 as in Chemistry, Physics, including Photography. Courses in Manual Training and Shop 

 Work. One tuition fee of $25 admits to all courses. For announcements address the 



Registrar, Cornell University, Ithaca, N. Y. 



Columbia University 



SUMMER SESSION JULY 9 to AUG. 17, 1907 



One hundred and forty-five courses will be offered in twenty-six departments. There 

 will be many courses in the sciences, one special course on the natural history of plants and 

 animals from the viewpoint of nature-study, two courses for teachers of high-school biology 

 and one educational course dealing with the teaching of nature-study in elementary schools. 

 Descriptions of courses and information regarding fees, cost of boarding, etc., are given in 

 the Announcement. If additional information regarding the biology and nature-study 

 courses is wanted, it may be obtained from the Department of Biology, Teachers' College, 

 Columbia University. 



Tuition fee ^30. Reduced railroad rates. 



For the Announcement of the Summer Session, address 



Secretary of Columbia University, New York. 



A STUDY IN COTTON. 



Neat box containing Miniature Bale, Box of Seed, Box of Seed Hulls, Box of Seed 

 Meal, Cotton Flower Photograph, Cotton Leaf and Green Boll Photo, Vial of Crude Oil, 

 Vial of Refined Oil, Natural Ripe Boll, and some Loose Locks. Highly recommended by 

 many teachers. Price ^i.oo. A. G. HELMER, Helmer, Ga. 



CALIFORNIA MARINB SPECIMENS. 



Shells, Starfish, etc., attractively and scientifically prepared and labeled. Instructive 

 and interesting to teacher and pupil. Send 2c. stamp for list now, today. 



WILLET H. HILLER, Naturalist, P. O. Box 659, San Pedro, Cal. 



