226 MASSACHUSETTS HORTICULTURAL SOCIETY. 



tion from outside indnt'iicos, tlie right amount of ice, or other 

 cooling agenc}', and a free chance for the air of the apartment to 

 come in contact witli tlio ice, or cooling pipes, to deposit its moisture 

 and i)art with its heat. 



I have the honor to remain, with great regard and esteem, 



• Ver}' truly yours, 



Pahker Earle. 



ERRATA 



On page 66, line 9 from bottom, for "serenity" read "endurance. 

 On page 67, line 2, for "tutors" read "teachers." 



