That in which the right carotid artery alone is present, of which, according to our author's experience, the flamingo (Phoenicopterus) was the sole example.
P. 146.) The food of the flamingo seems to consist chiefly of small aquatic invertebrate animals whch live in the mud of lagoons, for instance Mollusca, but also of Confervae and other low salt-water algae.
A flamingo (Phoeniconaias) visits Fisherman Lake, and there are a good many species of herons.
Keeping this in mind, we may fairly conclude that the flamingo with B X Y points to an ancestral condition A B X Y, which is still represented by Platalea and Ibis, whilst the other storks proper have taken a different line, leading to A X Y.
Of wild animals may be noted the moufflon (Ovis Ammon), the stag, and the wild boar, and among birds various species of the vulture and eagle in the mountains, and the pelican and flamingo (the latter coming in August in large flocks from Africa) in the lagoons.
The flamingo is found native in the Balearic Islands and on the southern coasts, and a stray specimen is occasionally seen on the table-land of New Castile.