380 
Pearls, and exhibited necklaces made of the shells of these insects. Mr. Hub- 
bard also made some remarks on this subject. Mr. Hopkins read a paper en- 
titled "Notes on the Habits of certain Mycetophilids," with descriptions of 
Epidapus scabies n. sp., one of several Dipterous insects, the larvae of which are 
directly or indirectly the cause of the so-called potato scab. Prof. Riley exhibited 
a series of West Indian Termites, comprising- Eutermes morio and E. rippertii. Mr. 
Benton exhibited nests and living specimens of a bee of the genus Melipona. 
June 7, 1894. — President Ashmead congratulated the society upon the attain- 
ment of its one hundredth meeting and upon its prosperous career and prospects. The 
Recording Secretary read a review of the work of the society during the past ten 
years. Mr. Pergande presented additional observations upon the habits of Ammo- 
phila gryphus for publication. Mr. Benton read a paper entitled "Observations on 
the Mating of Queens of Apis mellifica," recording two instances of the queen mating 
the second time. Mr. Chittenden presented for publication some biological notes on 
certain Coleoptera. Mr. Schwarz read a paper on the composition and extent of the 
Coleopterous fauna of Alaska. He also read some notes on the West Indian Sugar- 
cane Borer (Xyleborus perforans), and showed the difficulty of determining whether 
this insect really occurs in the United States. Mr. Heidemann exhibited certain rare 
Pentatomids, and Prof. Riley announced the rearing of perfect females of Marga- 
rodes. He showed that Margarodes and Porphyrophora are synonymous. 
L. O. Howard, 
Recording Secretary. 
