Natural Sciences of Philadelphia 
67 
“A Naturalist in the Santa Marta Region, Colombia,” James A. G. Rehn. 
“American Bird Types,” Dr. Spencer Trotter. 
“Natural History in American Zoos,” Arthur H. Fisher. (Motion pictures.) 
Friday Afternoons (School Course on Local Natural History) March 3 — 
March 31 
“Some Familiar Birds of the Philadelphia Area,” Dr. Wit me r Stone. 
“Fish Life of the Brook,” Henry W. Fowler. 
“The Shell-life of our Woods, Streams, and Seashore,” Dr. Henry A. Pilsbry. 
“Some Insect Friends and Enemiesof our Neighborhood,” James A. G. Rehn. 
“Spring Flowers,” Dr. Francis W. Pennell. 
