Summary.1 Personal observations are given on habits, habitat, and notes ofCertlmlauda curvirostris.2 Certain call–notes may be connected with the feeding of juvenals and the keeping together of family parties.3 Breeding cycle is correlated with latitude.4 There are grounds for accepting two forms of Long–bill Lark in South West Africa and all the forms of Long–bill Larks as geographical races of one species, including C.subcoronataSmith andC. falcirostris Reichenow.5 In all, seven geographical races are recognizable in specimens in the National Collection. Other races have been described whose validity has n