NOCTURNAL LEPIDOPTERA FOUND TN CANADA. 25 3 



brown. Thorax, brown, and with a black line in front, wbolly black 

 on the disk, with a few cinereous scales. Abdomen, brownish, with a 

 black spot on the last segment. Anterior wings, wood-brown, clouded 

 with black, darker on the costa and at the base. Extra-basal line 

 doubled, and generally becoming lost in the costal shade ; median 

 space traversed, as far as the reniform spot, by several vague undula- 

 ting brownish-black lines, which are sometimes concealed by a black 

 cloud across the wing ; remainder paler. Reniform spot, deep blue- 

 black, well defined, often with a whitish dot adjoining it posteriorly j 

 orbicular represented by a black dot. Elbowed line, fine, black, very 

 undulating anteriorly, almost straight posteriorly, occasionally obso- 

 lete ; subterminal line, obsolete anteriorly, posteriorly deep velvety- 

 black, followed by a broad blue-black line, which forms a large arc, 

 enclosing a paler black-speckled space. Subapical spot, deep black ; 

 a marginal series of black points edged exteriorly with white. 



Posterior wings with a black discal dot ; two or three transverse 

 wavy dark lines ; two fine velvety-black lines, followed by a similar 

 black arc to that on the anterior wing ; terminal space covered with 

 black streaks. Under side of both wings cinereous, with indistinct 

 discal lunules, and an infinity of obscure streaks ; in some specimens 

 with well defined transverse black lines. 



Length of body, '5 to '1 in. ; alar expansion, 1"7 to 1*9 in. 

 Hah. Cobourg ; at sugar and in repose, during the end of May 

 and beginning of June. London (Messrs. Saunders and Reed). 

 Montreal (Mr. D' Urban). United States. St. Domingo. 



Larva, " whitish, clouded with grey, with the vascular and the sub- 

 dorsal lines blackish, interrupted. The posterior incision of the 

 fourth segment has a large yellow spot, surmounted by two black 

 omicrons. A small yellow spot in the incision of the sixth ; the 

 seventh is partly occupied by a large grey space ; the first three have 

 each a black mark instead of the stigmatal line. Feet and head of 

 the same colour as the body ; the head with some black marks also. 

 Pupa entirely covered with a lilac or violet efflorescence. The food- 

 plant which accompanies Abbott's figure is a Hypericum (St. John's 

 Wort), but it feeds also on oak, ash, and plum trees. It forms its 

 chrysalis between leaves." 



4. H. INVOLUTA, Walk. C. B. M. Noct. xiii. 10.55. 

 "Wood-.brown colour, minutely speckled with black. Thorax with 

 a slender black band in front. Fore tarsi, black, with pale bands. 



