THE CANADIAN ENTOMOLOGIST. 43 



spines would be easily overlooked. When placed in a box it soon lost its 

 wet coat, when the form and color could be distinctly seen. It fed freely 

 uptil the 23rd of August, when it rested quietly on the bottom of the box. 

 The tail was now extended straight behind the body, and the larva was 

 clean and dry. At this time, if disturbed, it raised the tail slightly, but 

 did not otherwise move. I examined it every day, but noticed no change, 

 On looking at it on the morning of the 27th August, it had changed to a 

 pupa. Length of pupa a little over a quarter of an inch. Form oval, 

 sub-depressed. Thorax slightly wider than abdomen, margin of the thorax 

 dilated. Disk of thorax with three black spots near posterior margin. A 

 double green spot close to anterior margin, but not touching it. Dilated 

 margin green; from the centre of the lateral margin a black line extends 

 through the green a little way on the white. Posterior margin edged 

 with a narrow line of black. Abdomen immediately behind thorax, green, 

 centre white, remainder of abdomen pale yellow. A row of five black 

 spots close to lateral margin, centre with three interrupted transverse 

 black lines. Elytra green, spotted with pale yellow, sutural margin 

 bordered with a narrow black line. Just behind the elytra, on the lateral 

 margin of the abdomen, there is a slightly elevated, oblong, pale yellow 

 spot, upon which is situated two very short white spines. On looking at 

 it at noon on September nth, the beetle had apparently just emerged, as 

 the elytra were, with the exception of the white spots, pale green and 

 semi-transparent. The wings were not yet folded, extending beyond the 

 body. At 6 p. m. the elytra had become much darker and were but 

 slightly transparent, and the wings were now folded beneath the elytra. 

 On the 13th its colors were pure black and white. On the 24th of August 

 I found a colony of eleven larvae, identical with the first one found, one 

 beetle and one pupa. The latter was on a leaf which had been partly 

 eaten by larvae ; it was attached to the leaf by the posterior extremity, the 

 larval skin being pushed behind and slightly beneath. It rested on the 

 upper surface of the leaf, with the head pointing to the base of the leaf, 

 and was partly concealed by the withered edges of the leaf, which were 

 curled inwards. This was the only pupa found, although I searched care- 

 fully on several occasions, but as the food plant was abundant I may have 

 overlooked them. Physotiota rnay perhaps leave the food plant before 

 transforming, but this would not be in accordance with the habit of allied 

 species, which usually attach themselves to the under surface of a leaf 

 The specimens reared in confinement did not appear to be particular as to 



