586 Thirty-second Annual Report 



charts sarathroides) and Bata mota {B. glutinosa) yielded but 

 little nectar though they were heavily worked, since other honey 

 flowers were scarce. These plants bloom at the end of October 

 and in early November, and in good years yield a fine flow for 

 filling the hives with winter stores. 



A species of palo verde, of which there are many trees on 

 the University campus, blooms profusely in May and June and is 

 much worked by bees. It seems certain that a considerable pro- 

 portion of the first crop from the campus colonies was from this 

 so-called "Mexican palo-verde" or ''bagote" (Parkinsonia acu- 

 leata) ; the honey was of good quality, in no way inferior to 

 the rest of the mixed light amber honey of that period of the 

 year, and superior to some of the local honey of other apiaries 

 produced at the same time. This tree, where abundant, appears 

 to be a honey plant of no small importance; however, it is a 

 native of Mexico, and extends into Arizona only a little way 

 in the extreme southwestern part of the State, its natural 

 range ending about 40 miles southwest of Tucson. 



MISCELLANEOUS 



Considerable progress in systematizing the insect collection 

 has been made in the past year. The insect cases already pro- 

 vided are nearly filled and more will be purchased immediately. 



No Station publications have been issued by this depart- 

 ment in the past fiscal year. A short technical article, "Caesa- 

 rian Operation on Lepus alleni and Notes on the Young," was 

 published in the Journal of Mammalogy, Vol. 2, No. 2, May 1921. 



