cclxviii 



prevails upon the ground ready to pounce upon the locust eggs, it is no 

 wonder that the female locust instinctively avoids such localities in ovi- 

 positing. 



Hon. Henry Overstolz, Jno. B. Maude, and Judge Chas. Speck 

 were elected members. 



Noveinher 5, 1877. 



The President in the chair. 



Ten members present. 



Dr. Geo. Engelmann announced a paper on the Agave Shaiviiy 

 giving a verbal outline of the same, and presenting lithographs to 

 accompany the same. Referred to the Publication Committee. 



Mr. Riley then read a paper " On the Larval Characters and 

 Habits of the Blister-beetles belonging to the Genera Macrobasis 

 Lee. and Rpicauta Fabr. ; with Remarks on other Species of the 

 Family Meloidce": followed by a short paper, entitled, " On a 

 remarkable new Genus in Meloidce infesting Mason-bee Cells 

 in the United vStates." 



Mr. Riley also read by title the following papers, which with 

 those pi-eviously named were referred to the Publication Com- 

 mittee : "Additional l<\oiQS on Megathymus yuccce"; "Further 

 Remarks on Pronuba yuccasella^ and on the Pollination of Yuc- 

 ca"; "On the Differences betweerf Anisopteryx pometaria^ 

 Harr. and Anisopteryx cescularia^ W.-V., with Remarks on the 

 Genus Paleacrita." 



Dr. Engelmann remarked that during the present night the 

 temperature of the air would (all below 32° F. for the first time 

 during the present autumn. During the last 40 years, there have 

 been 10 years, when, as in the present year, there has been no 

 black frost in October. In other years such frosts have occurred, 

 as early as Oct. 2d, but not earlier. 



H. W. Tivy was elected to associate membership. 



November 19, 1877. 



The President in the chair. 

 Nineteen members present. 



