248 THE CANADIAN ENTOMOLOGIST. 



mentary, present on joints 5-12 (none on joint 13). Thoracic feet small, 

 almost lateral, indistinctly jointed, faintly brownish, not used. Body 

 flattened, rounded, of nearly even width, segmental incisures distinct and 

 broad, segments faintly 3-annulate. Colour shining whitish, subtrans- 

 lucent, the alimentary canal green. No anal plate, but a very large, 

 bisected, brownish cervical shield. No tubercles nor setae distinguishable. 

 Burrows large, spreading from 28-35 x r 4~9 rnm., often becoming confluent 

 with others over the whole leaf, transforming the upper surface into one 

 continuous brown blister. 



Sixth stage. — On attaining this stage the larvae burst through the 

 upper epidermis and fall to the ground, eating nothing after the moult. 

 Head slightly darker than body, shining, mouth brown, eye dark brown ; 

 width, 0.75 mm. Body shining pale yellowish-white, with no discolorous 

 shade from the alimentary canal. On joints 5-12 two watery transverse 

 areas on each segment, the anterior composed of two dorsal dots, the 

 posterior of two elongate pyriform subdorsal patches, slightly elevated 

 and connected over the dorsum. Feet concolorous. Length, about 

 5.5 mm. 



Pupa. — Formed in an elliptical cell in the ground ; entirely pale 

 yellowish, the eyes brown-black. 



(to be continued.) 



DESCRIPTION OF THE PREPARATORY STAGES OF NEME- 

 OPHILA SCUDDERI, PACK. 



BY H. H. LYMAN, MONTREAL. 



Eggs laid July 9-10. Round, considerably flattened at base, honey- 

 yellow, shining, under a microscope very slightly and irregularly pitted, 

 riHh> of an inch in diameter. 



Hatched July 17-18, egg period eight days. 



Young larva. — Length, about one-tenth of an inch. Head brown, 

 rather lighter below. Body, dull greenish-yellow, with lead coloured 

 warts and long hairs of a brown colour. 



I failed to observe the first moult, but the following description was 

 taken on August 16th, just before what I believed to be the second 

 moult. . Length, /V to 3/g inch. Head small, slightly and obtusely 

 bilobed, black and shining, with a few hairs about mouth parts. 



Body above generally dark, but occasionally rather light in colour, with 

 10 or 12 warts on each segment. These warts are round, black and 



