The American Naturalist. 



party from heat and insects show tfya^ none 

 undertake such labor. We recommend tht 



Interior of grand 



PROCEEDINGS OF SCIENTIFIC SOCIETIES. 

 Academy of Science of St. Louis. — President Gray in the 

 chair and twenty-two other persons present, Mr. Trelease exhibited 

 several specimens, about three feet square, of a curious silk tapestry, 

 taken from the ceiling of a corn-storing loft in San Luis Potosi, Mexico, 

 by Dr. Francis Eschauzier, stating that he was informed that the larger 

 specimen had been cut from a continuous sheet over twenty yards wide 

 and about four times as long. The specimens, of a nearly white color, 

 and of much the appearance and feeling of a soft tanned piece of sheeps- 

 kin, were shown to be composed of myriads of fine silken threads, cross- 

 ing and recrossing at every conceivable angle, and so producing a seem- 

 ingly homogeneous texture. Although specimens of the creatures by 

 which they are produced had not been secured, it was stated that there 



