Figure 1

Measurements used on green frog's ilium. 1, length of ilium; 2, angle between tuber superior orientation and main iliac axis; 3, dorsal crest height; 4, acetabular diameter; 5, corpus thickness at the centre of the acetabulum; 6, ‘iliac neck’ (=smallest thickness of the crest on the corpus); 7, maximum width of the junctura ilioischiadica; 8, width of the pars ascendens.