182 TROPICAL WILD LIFE IN BRITISH GUIANA 



5th to 10th old, unshed, the shafts 



lined thickly with mal- 

 lophaga eggs. 



The secondaries showed two nodes of molt. Beginning 

 with the 10th a molt was progressing outward, and with the 

 1st (outer) another molt had commenced inward: 



1st secondary (outer) one-half grown 



2nd to 7th old, unshed 



8th and 9th blood sheaths 



10th one-half grown 



llth, etc old, unshed 





