SCIENTIFIC SOCIETIES. 275 
Freshwater Limestone of Gurnet Bay, Isle of Wight. This insect was 
named Lithopsyche antiqua. 
Mr. W. F. Kirby read a paper containing descriptions of new genera 
and species of Dragonflies, chiefly from Africa, in the collection of the 
British Museum. 
Dr. Hans Gadow read a paper on the taxonomic value of the intestinal 
convolutions in birds. After pointing out the different forms assumed by 
the intestinal convolutions in this class of animals, and suggesting a 
nomenclature for them, the author proceeded to give the outlines of a 
classification of birds based solely on this part of their structure, and to 
show the differences and resemblances of the various groups. 
June 4, 1889.—Ossrrt Sauvin, F.R.S., Vice-President, in the chair. 
The Secretary read a report on the additions that had been made to the 
Society’s Menagerie during the month of May. 
Mr. H. E. Dresser exhibited and made remarks on some eggs of the 
Adriatic Black-headed Gull, Larus melanocephalus, and of the Slender-billed 
Gull, Larus gelastes, which had lately been obtained at their nesting-places 
in the marshes of Andalucia by Col. Hanbury Barclay and himself. 
Dr. G. J. Romanes read a paper on the intelligence of the Chimpanzee, 
as shown in the course of experiments made with the female Chimpanzee 
called ‘‘Sally,” which has been living several years in the Society's 
Menagerie. 
A communication was read from Signor F. 8. Monticelli, containing 
notes on some Entozoa in the Collection of the British Museum. 
Mr. Sclater read a list of the birds collected by Mr. George A. Ramage 
(the collector employed by the joint Committee of the Royal Society and 
the British Association for the exploration of the Lesser Antilles) in 
Dominica, West Indies, and made remarks upon some of the species.— P. L. 
ScrateEr, Secretary. 
Enromotoaicat Soorrty or Lonpon. 
June 5, 1889.—The Right Hon. Lord Watstnenam, M.A., F.RB.S., 
President, in the chair. 
Mr. W. M. Christy, of Watergate, Emsworth, was elected a Fellow of 
the Society. 
Mr. 8. Stevens exhibited a specimen of Acrolepia assectella, Zeller, 
included in a lot of Tineide purchased by him at the sale of the late 
Mr. A. F. Sheppard’s collection, and determined by Mr. Stainton. He also 
exhibited, for comparison, a specimen of A. betuletella. 
Mr. J. J. Walker, R.N., exhibited a collection of Lepidoptera made in 
1887 and 1888 in the immediate vicinity of the Straits of Gibraltar. The 
collection included sixty-eight species of butterflies, of which thirty-six were 
