Sept-Dec, 1918.] Proceedings of the Society. 233 



of the Palisades, N. J., April 24, 1918, while in company with Dr. Wiegmann. 

 This is quite an early date. 



Mr. Woodruff spoke of a faded Monarch butterfly seen in Central Park 

 on April 28. 



Mr. Dow exhibited Cremastochilus taken at Fort Lee. 



Meeting of May 21. 



A regular meeting of the New York Entomological Society was held at 

 S:iS P.M., May 21, 1918, in the American Museum of Natural History, 

 President Lewis B. Woodruff in the chair, with 17 members and one visitor 

 present. 



Mr. Bird read a paper on " The Decline of the Hickory Bark Beetle, 

 Scolytus qitadrispinostis," in which the operations of nature by which the 

 balance is restored between an indigenous food plant and its enemies were 

 traced. The paper will be printed in full. 



It was discussed by Messrs. Dickerson, Woodruff', Davis, Engelhardt and 

 Olsen, especially in reference to the rise and fall in the severity of insect 

 attacks. 



Mr. Woodruff' read a paper on '' Our Local Species of Ophidernia," in 

 which two new species were described and all the species were discussed. 

 This paper will also be printed in full. 



Mr. Harris recorded the fact that of Omns vandykei the only known ex- 

 ample was in the W. Horn collection in Berlin. The specimens distributed 

 under that name are the most up-country form of Omus ciipreonitens and 

 •come from Dyerville in Humboldt Co., Cal., about 75 miles southeast of 

 Areata Beach, the type locality for ciipreonitens. 



Mr. Davis exhibited a list of Long Island Longhorns which he had com- 

 piled for Mr. Nicolay from his many trips on the island. He called particular 

 attention to the records for Elptroleptus floridanns, beaten from Querciis nana 

 at early dates and found also in washup at Rockaway. This species extends 

 €ven to Massachusetts. 



Mr. Davis also exhibited beetle remains from skunk excrement, consist- 

 ing largely of three species of Carabus, serratus, vinctus and limbatus. 



Mr. Engelhardt recalled also finding remains of Cychrus elevatiis in 

 raccoon excrement. 



Mr. Leng exhibited Chilean Coleoptera collected by Eduardo "Varas 

 Arangua. 



Mr. Mutchler exhibited Adelocera vicxicana Cand. collected by Dr. Lutz 

 in Baboquivari Mts., Arizona, in August, 1916, identified by Dr. 'Van Dyke. 



Mr. Comstock spoke of the deleterious effect on mules of mosquito bites, 

 half the quantity of feed sufficing when they were protected from the insects. 



Messrs. Davis and Engelhardt spoke of good results of drainage ditches 

 and damage thereto by recent high tides. 



