"Emerald Stepping Stones in Caribbean" Is Hodge's Topic

"Emerald Stepping Stones in the Caribbean" will be the subject of a free, public, illustrated lecture at Harvard tomorrow night by Walter H. Hodge, noted botanist, at the Institute of Geographical Exploration, at 8 o'clock.

The Institute announced today a series of public lectures, of which Mr. Hodge's is the first. The lectures are scheduled as follows: Nov. 14, "China's Back Door," by Schuyler Cammann, for several years a teacher in China; Nov. 28, "Aerial Photographic Mapping," by Lieutenant Colonel James W. Bagley; Dec. 12, "Travels in Northwestern Canada," by P. G. Downes; and Dec. 19, "Biological Observations in the Dutch East Indies," by Charles T. Brues, professor of Entomology.