SCIENTIFIC SOCIETIES. 77 



The last paper was by Mr. G. F. Scott Elliot, and was his report as 

 botanist to the Anglo-French Sierra Leone Boundary Commission, in which 

 he gave an account of the economic aspects of the districts traversed. 



Zoological Society of London. 



Jan. 17, 1893. — Sir W. H. Flower, K.C.B., LL.D., F.R.S., 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 December, 1892. 



Mr. F. C. Selous exhibited and made remarks on the head of a hybrid 

 Antelope between the Sassaby, Bubalis lunata, and Hartebeest, B. caama; 

 also a head of a female Koodoo, Strepsiceros kudu, with horns and heads of 

 some other South-African Antelopes. 



Mr. 0. Thomas exhibited some examples (from the Baram River, 

 Sarawak, collected by Mr. Hose) of the Monkey that he had lately described 

 as Semnopithecus cruciger, and stated that, in spite of the confirmation 

 afforded by these specimens, Mr. Hose thought that this species might 

 possibly be only an erythrism of S. chrysomelas. 



A communication was read from Mr. E. Y. Watson, entitled "A pro- 

 posed classification of the Hesperiidce, with a revision of the Genera." This 

 contained a preliminary classification of the Hesperiidce, including the 

 numerous modern genera, which were arranged under three subfamilies 

 according to the sexual differences, the resting posture, the antennse, the 

 spurs on the hind tibiae, and the position of vein 5 (relative to veins 4 and 6) 

 of the fore wing. The subfamilies were named Pyrrhopygince, Uesperiina, 

 and Pamphilince, and the two last were subdivided into sections without 

 names. In all 234 generic names were dealt with, of which 49 were treated 

 as synonyms, while 45 new genera were described. Complete diagnoses 

 were given of all the admitted genera. 



A communication was read by Mr. E. E. Austen, entitled " Descriptions 

 of New Species of Dipterous Insects of the family Syrphidce, in the Collec- 

 tion of the British Museum, with Notes on Species described by the late 

 Francis Walker." This communication contained descriptions of twenty- 

 three new species belonging to the division Bacchini, and of one belonging 

 to the Brachiopini (genus Rhingia). An attempt was made to divide the 

 genus Baccha, as at present existing, into three groups, based chiefly upon 

 the shape and markings of the abdomen. The true position of the remarkable 

 genus Lycastrirhyncha, founded by Bigot on a species from Brazil, and 

 afterwards cancelled by its author in favour of Rhingia, was established. 

 It was shown that this genus had nothing to do with Rhingia, but was one 

 of the Eristalini, closely allied to Eristalis. It was also shown that the 

 genus Lycastris, founded by Walker for a species from India, was not 



