Lecture by Dr. Gadow Tonight.

Dr. Hans Gadow, F. R. S., lecture on zoology at Cambridge University. England, will give an illustrated lecture on "Southern Mexico, and its Natural History," in the Fogg Lecture Room, at 8 o'clock this evening.

Dr. Gadow is a well-known zoological investigator. He has evolved some new theories regarding animal coloration from his special study of coloration in amphibians and reptiles, and is now delivering a course of lecture on "Animal Coloration" at the Lowell Institute, Boston.

The lecture will be given under the auspices of the Zoological Club, and will be open to the public.