74 ENTOMOLOGICAL SOCIETY instead of laterally. Mr. Caudell considered it very closely related to the Forficulidae, the males having forcipated and toothed anal appendages and there being other points possessed in common with the earwigs. It looks very much like a wing less Embiid (Embia iihrichi wSaussure) from Trinidad.* The systematic position of this insect was further discussed by Messrs. Cook, Howard, and Hunter. Dr. Stiles, referring to a disease which has of late proven so fatal to horses in the Philippine Islands, said that it is known as Surra and is closely allied to the tsetse-fly disease of South Africa ; it seems to be spread by flies of the genus '/ abauus' The disease originated in India where Tabanus tropicus was the supposed transmitter. Unlike the malarial parasite, which goes through a double life-cycle, a sexual in the mosquito and a non-sexual in man, Trypanosoma, the parasite of Surra, has only a non-sexual generation so far as is known. This being the case, the disease may probably be carried by any biting or piercing insect. Dr. Howard said, in discussing Dr. Stiles' note, that the con ditions governing the spread of this disease pointed as well to some biting Muscid allied to the tsetse-fly as to one of the Tabanids, since both are dependent for successful breeding on moisture conditions. The biting Muscids breed most success fully in moist manure and the Tabanids in damp soil muck, while the Surra is well known to be most prevalent in damp localities and during damp seasons. He agreed with Dr. Stiles that the disease is probably carried by either of these types of biting flies. Mr. Morris read extracts from a letter from Mr. Pollard, written from Baracoa, Cuba, where the latter, in company with Dr. Edward Palmer and Mr. William Palmer, was making a collection of plants and zoological specimens. The first paper was by Mr. Caudell and was entitled : SOME INSECTS FROM THESUMMIT OF PIKE'S PEAK, FOUND ON SNOW. By A. N. CAUDELL. No tourist visiting the Rocky Mountain region for the first time thinks of leaving without ascending Pike's Peak, that most acces sible of the high mountains. During our season's collecting in * Figured in Mittheil. d. Schweiz. entorn. Gesellsch., IX, fig. 2, 1896.
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