Hypochera ultramarina, [577]
Hypocleidium, [21]
Hypocnemis, [488]
Hypocolius ampelinus, [527], [527]
Hypopyrrhus, [580]
Hyporhachis, or aftershaft of feather, [3]
Hypositta, [537]
Hypotaenidia, [246] f.;
H. brachypus, [247];
Hypochera ultramarina, [577]
Hypocleidium, [21]
Hypocnemis, [488]
Hypocolius ampelinus, [527], [527]
Hypopyrrhus, [580]
Hyporhachis, or aftershaft of feather, [3]
Hypositta, [537]
Hypotaenidia, [246] f.;
H. brachypus, [247];