288 British Dragon/lies. 



in shape, major axis almost transverse. Top of head 

 with some pahsh spots. Occiput rather broad ; hind- 

 margin somewhat deepl}' hollowed, covered with reddish- 

 brown points. Protliorax pentagonal, of fair size. 

 Mcso-tJioracic spiracles \isible, dark. Thorax covered 

 with reddish-brown points. \]'iiig-cases straight, of fair 

 length, about 4mm. Tegs pale ; fore- about 5mm. long, 

 mid- 6"5mm., hind- 9mm., with rows of reddish-brown 

 points ; a dark ring on femora and another on tibia; 

 near the basal joint ; a few very fine hairs on tibia;. 

 Abdouioi tapering posteriori}' ; joints fairly equal ; each, 

 except the tenth, bearing on its posterior margin a row 

 of dark dots ; on segments as far as the eighth a paler 

 lateral line, and a similar mid-dorsal one bounded on 

 each side by a dark red-brown line, widest at the base 

 of the segment and tapering to the distal margin ; the 

 rest of the abdomen covered above ^^•ith reddish-brown 

 points, which are rather conspicuous along the lateral 

 margins of the segments. Caudal lamella about 6mm. 

 long, without markings, but with a ramification of 

 tracheae. [Bred on several occasions. The lamella; were 

 usually lost before emergence ; nevertheless they appear 

 to be alwa}'S pointed, though some authors have described 

 them as rounded at the tip.] 



Emergence of Imago. 



On one occasion an imago was detected in the act 

 of emerging from the nymph-case. Head, thorax, wings, 

 legs, and the greater part of the abdomen were out. 

 The insect appeared to be just at the end of the 

 "resting" period. It was then erect, as described in 

 the case of Pyrrhosoina uyutplinla. It ma\', of course, 



