( 323 ) 



Tlie four gcogi';i]iliiciil tonus of rri-isi/i — the .sj)eeies was named after Cerisy, 

 tlie spelling; criy/sii and ccrisii. therefore, is not correct — are not sharply defined. 

 The most distinct of them is the southern one from Mexico and Arizona. There is 

 nothing or very little in the genital organs by which to distinguish the subs|)ecies. 

 The snbapical ridge of the clasj)er is triangnlar or rounded, not so obviously 

 spatulate as rej)resented by Smith, I.e. The two broods of asfarte as well as of 

 ophtludmica are said to be different ; further researches are necessary to prove that 

 there is really seasonal variation in this species. 



a. Sj/h. rerisi/i cerixi/i. 



Smrrinthiis cfrist/i ICirby, in Richai'd."!., Fiiiiiia Bor.-Am. iv. p. 301. n. I. t. 4. f. 4 (1827) (N. Am.) ; 



Streck., Lfp. Rlmp. H,l. p. .V2. 5!i. t. 7. f. 3 {^) (1873) (Rhode I.) ; Boisd., Hpei: Ge,i. Li-p. 



HU. i. p. .-io. n. -25 (1875); Beth., CnmA. Eiit. xi. p. 151 (1879); Fern., ibid. xvi. p. 21. 



(1884) (Orono, Maine, very rare, at light, E. v.); Cross, Eiit. xVcws vii. p. 297 (1896) (N. 



Hampsh., rare) ; Hanh., ('(unirl. Kiit. xxxi. p. 50 (1899) (Manitoba, v.) ; Heath, ibid, xxxii. 



p. 93 (1900) (Manitoba, vi.) ; Tutt, Bril. Lap. iii. p. 285 (1902). 

 Smeriiithiis cerisii (!), Harris, in Sillim., Joiirn. Sci. Art xxxvi. p. 291. sub n. 4 (1839) (probably = 



geminntus) ; Grote, Proc. Eiit. Soc. Philnd. v. p. 40 (181)5) (<iist. from r/eiiiimitiis) ; id. & Rob., 



ibid. V. p. 160. D. 67 (1865) (Atlantic distr.) ; Grote, Ilull. Buffidn Soc. N. /7. i. p. 23 (1873) ; 



id., Ic. ii. p. 227. n. 43 (1875) ; Peck, Ciwad. Ent. viii. p. 120 (1876) (Maine, ?) ; Bailey, 



Omiid. Eiil. X. p. 120 (1878) (Center, N.Y., 24. iv.) ; Fern., Spliinsj. N. Eiu/ld. p. 78. n. 39 



(1886) (Orono, Maine, v.) ; Grote, Oiaad. Ent. xviii. p. 133. n. 47 (1886) (CUn., Maine, N.Y.). 

 Hmevinlhiis tjauiiiittiis, Walker (mm Say, 1824), List Lep. Ins. B. J/, viii. p. 246. n. 7 (1856) (partim); 



Clem., Jniirii. Ac. N. Sci. Philnd. iv. p. 183. n. 87 (1859) (partim) ; Morris, Cat. Lcp. N. Am. 



p. 20 (I860) (partim) ; Lintn., Ent. Cniiir. ii. p. 124 (1873). 

 Calnsiimtiuhis cerisii (!), Butler, Trans. Ziml. Soc. Land. ix. p. 592. n. 3 (1877) ("not in B. M."). 

 Eusmeriidhiis cerisii (!), Grote, Ciinad. Ent. ix. p. 132 (1877) ; id., Bull. Buffido Soc. N. H. iii. p. 223. 



n. 44 (1877) (Hudson Bay Territory) ; Kirby, Cat. Lcp. Ilet. i. p. 712. n. 4 (1892) (Hudson 



Bay). 

 Calnstjmbolns Cojtismeriidhiis ccrisii (!). Grote, Hawk .Moths N. Am. p. 35 (1886) (v. vi.). 

 Sme.rinthus ceri/xii {\), Smith. Trans. Amrr. Ent. Soc. xv. p. 223. 234. t. 11. f. 7 (genit.) (1888) (Can ; 



N.Y. ; Maine ; Rhode I.). 



6 ?. Tiie lines (if the forewing sharply marked ; a series of brown postdiscaj 

 lunule-i, which are more arched than in the other forms. Dorso-apical ridge of 

 ciasper rounded, more oblii[nely jilaced than in the following subspecies ; tooth 

 of penis-sheath acute, rather obviously obliti[ue. The first blue spot of the eye- 

 njark mostly small, the second and third sometimes separate, but mostly joined 

 together in front. 



/ffi//. Canada, N. England, N. York, Rhode Island. 



In the Tring Museum 4 larvae, 5 cJcJ, I ? from: Maine; Oncouta, N. York, 

 June ; Uland, N. York, July ; AVinuipeg, Manitoba, July ; St. Louis, Saskatchewan 

 (Couhcaux). 



i. iS/)li. ri'fisi/i astartt'. 



Rmirinlhtis asturic Strecker, Proe. Ac. N. Sci. Philwl. xxxvi. p. 283 (18SJ) (Colorado ;— coll. 



Slrecker) ; Smith, Trans. Amcr. Ent. Soc. xv. p. 22.3. 234 (188K) (Colorado) ; Edw., Ent. Amer. 



iii. p. 223 (1K88). 

 Smninllins ceri/Kii form aslarle, Smith, /,■•. p. 240. .sub n. 78 (18H8). 

 Eiinmirinthcs asiarlr, Kirby, Col. Lc/,. Ilcl. i. p. 712. n. 5 (1892) (Coiorado). 



fj?. Very close to the pn.'ceding, from which it is not always distinguishable. 

 The distal margin of the forewing less sharply dentate, the brown marginal area 

 narrower, th<; jiostdiscal brown lunules less curved. Harpe more symmetrical than 



