132 THE CANADIAN ENTOMOLOGIST. 



brown ; spiracles black. A few small black warts on the body. Head 

 honey-yellow. 



Moulted July 30th. 



Larva After Second Moult. — Length three-quarters of an inch. Colour 

 grey; dorsal and sub-dorsal lines amber, the dorsal having twelve blotches 

 of a darker shade; side lines dark brown. Under the side line comes a 

 spiraculariine of grey, and then a brown line touching the legs. Head 

 large, amber coloured ; thickly indented like a thimble, and marked with 

 four longitudinal rows of brown dots. Under the microscope the body is 

 seen to be thickly set with elongated amber-coloured warts — the brown 

 warts having disappeared. 



In feeding the insect has changed its posture, carrying its head up- 

 wards and cutting through the blade till the top falls off; then eating across, 

 always working from the near edge, systematically shortening the blade 

 and lowering itself when necessary. 



Moulted Aug. 14th. Inert and sickly-looking before the change. 



Larva After Third Moult. — Length nine-tenths of an inch. General 

 colour grey ; thickly covered with light brown hairs. Spiracular line 

 whitish. Spiracles kidney-shaped, chocolate-coloured with a yellowish 

 white perpendicular line through the centre. Dorsal line represented by 

 twelve brown spots ; sub-dorsal lines very faint. Head large, has five 

 warty dark brown spots on each side. Mandibles brown. 



Moulted Sept. 1st. 



Larva After Fourth Moult. — Length one inch and five-sixteenths of an 

 inch. Head pale brown, indented, set with reddish hairs, and having six 

 longitudinal rows of dark brown dots, also on either side five dark warts. 

 Mandibles brown ; general colour of the body pale green, thickly set with 

 reddish hairs. Dorsal line dark green, bearing the twelve oblong brown 

 spots. Pale sub-dorsal lines, and dark green side lines bordered below 

 with a pale streak. Spiracles dark brown, Caudal fork has a slight rosy 

 tinge. Fore legs colour of head. 



I left home for England on the 4th of October, having provided a 

 sufficiency of growing sedge, embedded in sphagnum, for the use of 

 Jutta. I returned in February, and found the larvae fresh and plump, but 

 quite torpid. They had undergone the 5th moult (probably in October). 

 On the 6th of April they revived. 



