Plate XV. 9h-9m, Stage VI; 10, Stage VII.

Plate XVI. 10a, Stage VII; 11a-11d, Stage VIII.

Plate XVII. Stage VIII.

Plate XVIII. 11i-11k, Stage VIII; 12-12b, Stage IX.

Plate XIX. 12c-12g, Stage IX; 13a-13c, Stage X.