OCR Text |
Show 1873.] CAROTID ARTERIES OF BIRDS. 467 STEGANOPODES. Both carotids are present in these birds. Species examined. Fregata aquilus. Phalacrocorax carbo. Sula bassana. Phaethon, sp. HERODIONES. ARDEIDcE. Both carotids are present in the following species :- Ardea cinerea. Ardea egretta. goliath. garzetta. purpurea. candidissima. alba. Nycticorax europceus. But the two carotids join at the lower part of the neck directly they meet in Botaurus stellaris. ClCONIIDcE. Both carotids are present in these birds. Species examined. Ciconia nigra. Leptoptilus crumeniferus. alba. PLATALEIDcE. Both carotids are present in these birds. Species examined. Ibis rubra. Ibis nippon. melanocephala. Platalea leucorodia. strictipennis. PHOSNICOPTERIDcE. The right carotid is much larger than the left, which joins it low down hi the neck. Phoenicopterus antiquorum. Phoenicopterus ruber. ANSERES. Both carotids are present in all these birds. Species examined. Anser segetum. Tadorna rutila. Bernicla canadensis. Aix galericulata. Chloephaga, sp. Mareca penelope. Cggnus nigricollis. Dafila spinicauda. buccinator. Querquedula crecca. coscoroba. Metopiana peposaca. Dendrocygna autumnalis. Fuligula cristata. viduata. Mergus castor. fulva. * albelsl.u 30* |