168 



IIK APPFJ-: [.I<:.\I' IIOPPKR 



against tlie Cabbage Maggot we overflowed, as it were, into large 

 truck gardens in tliis neighljorhood wliere we could work upon a com- 

 mercial scale. 



The insectary naturall}' closel_\ allied to and belonging to tlie 

 experimental garden, is at the north end of the j^lot. and consists of a 

 work room, store room and dark room, comprising the wooden por- 

 tion, which is 16x24 feet, and extending south from this a glass por- 

 tion (like a greenhouse) 18x33 feet. The latter part is divided into 

 a "cold room'' where the temjierature is practicallv the same as that 



Fig, i»;!. Caulifiower in expcriiiuMital garden, i'.HT. 



outside, and wdiich is useful in experiments calling for that tempera- 

 ture, and a "warm room'' steam heated, the temperature of which is 

 supposed to be ke]:)t between 6.5° and 70° during the winter, thus 

 enabling us to studv life histories in the coldest weather. Under the 

 wooden jjorlion is a basement, part of which we use for a bee cellar. 



While this building is small and inexpensive, it has ])roved it- 

 self very usefid during the ])ast two }ears. In 1**07 four hundred 

 separate exjjcrinier.ts were run here, and in l')08. up to ( )ctober 31st, 



