ANISOTA STIGMA 283 



be three eighths of an inch long, when they molted for 

 the first time, a week after hatching. 



Their heads were shining black, bilobed, with a deep 

 median sutnre. Their bodies were black, with an 

 orange subdorsal line. The legs and props were black, 

 and the horns and tubercles were as before. 



Five days later they molted again. Their heads 

 came out large, oval, and orange-brown. Their bodies 

 were black, with an orange dorsal plate on the first 

 segment. The long dorsal horns were black studded 

 with white spines ; the shortest tubercles were white 

 The legs, props, and anal plate were shining black 

 After this they separated, and each lived by itself. 



In five days they molted a third time, and were 

 seven eighths of an inch long. Their heads were oval, 

 deep orange-brown, and very smooth. Their bodies 

 were orange, with a black transverse band, thickly set 

 with white spines, on the front of each segment. The 

 whole body was studded with black and white spines. 

 The dorsal horns were all longer than before. The 

 legs were deep ocher-brown, with black tips ; the ab- 

 dominal props ocher, with a black band at base and 

 black and white spines. The anal props and plate were 

 deep orange-brown, with a few black, and more white, 

 spines. The spiracles were black encircled with white. 



Six days later they molted for the fourth time, com- 

 ing out an inch and a quarter long. Their heads were 

 large, ocher-brown, with a deep median suture, and 

 smooth. Their bodies were ocher-brown, striped with 

 black and rough Avith white dots. Their legs were 

 clear ocher-brown, the props black dotted with white, 

 and the anal plate was ocher-brown dotted with white 



