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Show 812 MR. SCLATER O N CONTINENTAL MENAGERIES. [Nov. 16, In this case, four eggs were laid, but only three of them were hatched. Two of these (living) young ones are about as large again as the third one. The young birds are fed by the parent in the same manner as Pigeons feed their young. The period of incubation is about three weeks. " The question as to whether the Glossy Ibises we have are really of two distinct species is rather a puzzling one. In the winter it is, I think, quite impossible to tell which are the American and which are the European birds. At the present time there are three or four birds that may well bear the name of ' White-faced Ibis.' "In the supposed P.guarauna the white on the forehead is broader and passes round the back of the eye and under the chin. The cere is red, the eyes, I believe, are claret-coloured. The beak is reddish and the knees are red. " In the true P. falcinellus the margin of white on the forehead is very narrow and does not pass behind the eye, and there is no white under the chin. The cere is lead-coloured, the eyes are black, and the beak and legs blackish. The Ibis that bred the three young ones is one of these. I think that the white-faced Ibises are distinct from the European bird, but that the difference can only "be seen in adult birls in breeding-plumage. " Oct. 1897.-In the early part of this month (Oct. 1897) the whole of the Glossy Ibises were caught up fo be put in the Eastern Aviary for the winter. I took this opportunity to examine each bird, and so far as plumage is concerned it was almost impossible to tell one bird from another. I found three birds with claret-red eyes. Two of these have reddish knees and pinkish ceres, and are, no doubt, the two that had white faces in tbe summer. The third (red-eyed) bird has no reddish knees nor pink cere. All the other birds have smoky-black eyes." Mr. Sclater stated that during the past summer he had visited the Zoological Gardens of Cologne, St. Petersburg, Moscow, and Berlin, and made some remarks on the principal animals he had observed in those establishments. At Cologne were fine specimens of Canis juhatus and Canis lateralis of West Africa, also a group of six specimens of the Arabian Gazelle (Gazella arabica), which Herr Beiche (of Alfeld), who had imported them, had informed him were received from the Arabian Port of Hodeidah, near which this Gazelle was found on the littoral strip. The family of five Sea-lions (Otaria cali-fornlca) was still thriving, and lived in harmony in the large basin provided for them with four Cormorants. An example of Haliaetus branickii at Cologne, of about the same age as that in the Society's collection (see P. Z. S. 1896, p. 784, pl. xxxvii.), was now getting slightly white in the tail. In tbe Zoological Garden of St. Petersburg, which was mainly resorted to as a place of public amusement, was a fine adult pair |