( 324 ) 



in the liillowiiig one, ventral [irocess of penis-fiinuel more prominent. One of our 

 specimens has the ring of the eye-spot filled in with blue. 



Hah. Colorado to Lake Superior, jirobably in all the States west of the 

 Mississip])i except the Pacific Coast Region, which is occupied by ophthalmica. 



In the Tring Museum \) S S , ^ 'i 'i from various places in Colorado, June and 

 July (Oslar). 



c. Sp/i. cerisiji ophthalmica. 



*Smi'riiit!ius ophthalmica Boisduval, Bull. Stic. Kill. Fi: p. 32 (1855) ("Calif. ; — coll. Charles 

 Oberthilr ; non " Mexico"). 



SmrrinthiiK (i/ihthalminis (I), Clemens, ./o»ra. .ir. N. Sci. IViihid. iv. p. 185. ii. 88 (1859) (var. of 

 ffemin.?) : id., in Morris, St/ii. Leji. N. Am. p. 211. n. 5 (1862) ; Grote & Rob., Proc. Enl. Sac. 

 Philnd. V. p. IGO. n. 68 (186.5) (Western distr.) ; Boisd., .inn. Soc. Eiit. Bel;/, xii. p. 67. n. 72 

 (1869) ; Gro(e, Bull. Buffalo Soc. N. H. i. p. 23 (1873) ; id., ;..■. ii. p. 227. n. 41 (1876) ; 

 Lintn., FmI. Coiitr. ii. p. 125 (1873) ; Edw., Prnc. Calif. Ac. Sci. v. p. 91 (1876) ; id., I.e. vii. 

 p. 21 (1877) (larva); Butl., Tram. Zool. Soc. Loud. ix. p. 592. n. 2 (1877) (Calif.; rwii 

 " Mexico ") ; Grote, /.-•. iii. 223. n. 42 (1877) (Calif.) ; Butl., Pajiilifi i. p. 104 (1881) ; Grote, 

 Caiiad. Eiit. xviii. p. 1.33. n. .50 (1886) (Calif.); Smith, Tram. Amer. Enl. Soc. xv. p. 221 

 (1888) (Cal. ; Vane; Oreg. ; Washingt. ; Edw., Btdl. U. St. Nat. Mus. xxxv. p. 43 (1889) 

 (lit. rel. to metam.) ; French, Caiiad. Ent. xxiii. p. 143 (1891) (larva and pupa); Beutenm., 

 ibid. -p. 200(1891) (larva). 



Smeriuthu.1 ojilhaliiiicns (]), Morris, Cal. Lr/i. jV. Am. p. 20 (1860) ; Strecker, Le/i. Rhoji. ]let. p. 52 

 (1873) ; id., I.e. p. 58. t. 7. f. 4. (<;J). 5. ( ? ) (1873) (Calif. ; Washingt.. 



Smrrinlhus njihtaliiiicits (!) Boisduval, Sjjec. Gen. Lip. HH. i. p. 33. n. 23. t. 1. f. 1 (/.) (1875) (Calif. ; 

 larva). 



*Sineritithiis vancottmriensin Butler, I.e. sub. n. 2 (1877) (Vancouver I. ; — Mus. Brit.). 



Smcriiithun e.crysii form ophthaliiiiciis. Smith, I.e. p. 240 (1888). 



SmerinthiDt ophthalmicnii var. vaiiciiiircreniiis (!), Smith, l.l.e.c. 



Smerinthus rnneoinvreii.ii.s (!), Kirby, Cat. Lep. Ilet. i. p. 711. n. 3 (1892) (Vancouver). 



cJ?. Harpe slender di.stally, asymmetrical, almost pointed; dorso-apical ridi^e 

 of clasper triangular, more or less obtuse (PI. XXXIV. f. 27) ; tooth of penis- 

 sheath sharp, rather long, slightly oblique. Variable in the ground-colour, generally 

 paler than uMarte, from which the darker individuals do not seem to be 

 distinguishable. 



a'. Sph. ccrlsiji ophthalmica f. ophthalmica. 

 Synonymy as above. Forewing above ashen grey. 



b' . Sph. cerisi/i opjhthalmica f. pallit/iih/s. 



Smerinthus pallidulim, var., Edwards, Proc. Calif. Ac. Sci. vi. p. 91 (1876) (Calif.). 



Smerinthus ophthalmieu.^ var. jiallididii,i Grote, Bull. Buffalo Soe. N. H. iii. p. 223. sub n. 42 (1877) 



(Calif.); id., Canad. Ent. xviii. p. 133. n. 50(1886) ; Beutenm., Bull. Aincr. .Mus. N. //. iv. 



p. 174 (1892) {types of Hy. Edwards). 



Forewing above more or less grey-vinaceous-cinnamon. 



The two forms are not seasonal according to the dated material examined. 



IJab. South Caliiornia to Vancouver I. 



In the Tring Museum 17 cJcJ, 1() ? ? from : California ; Oregon ; AVashington. 



'/. Sj>h. ci'ri.ti/i .viliceti. 



Smerinthus ojihthntmica Boisduval, I.e. (1855) (Mexico, tion Calif.). 



Smerinthus ophthaliiiieus id., Ann. Soc. Ent. Bely. xii. p. 67. n. 72 (1869) ; Butl., I.e. (1877) ; Druce, 

 Bial. Centr. Amer., Lep. llet, i. p. 17. n. 1 (1881) (partim ; Mexico). 



