( 1-" ) 



(I . II. chi-rais r//crs/ts. 



Liihe chert'/K Hiibncr, l.r. 



Sjilihr chumi Harris, I.e. (1830): id., /«». hij. Vr,/. p. 328 (1842); Emm., Niil. Hi.^l. N. York 

 p. 219 (1864) : Walk., Lhl Lqj. Jus. li. M. viii. p. 217. n. G (185G) (U. St.) ; Clem., Jnm-n. 

 Ac. y. f>n. riiiliiil. iv. p. Ifiit. n. (U (ISiW) (Mass. ; Wisconsin) ; Morris, Qit. Lep. X. Am. 

 p. 18 (1860) ; Clem., in Morris, %ho;k. p. liU. n. 2 (18i"i2) (Mass. ; Wise. ; S. States) ; Lintn., 

 Proc. I'nI. S<ic. I'liilud. iii. p. 655 (1864) (descr. of /., on Olmcme) ; Scudd., Psijche ii. p. 76 

 (1877) (larva) ; Hag., PiipiVio iii. p. 62 (1883) (this name to be retained). 



SfphiH.r c/iTs-M, Grote & Robinson, Proc. Ent. Soc. P/iilnd. v. p. 165. n. 92. & p. 190 (1866) (Atlantic 

 district) ; Beth,, Oimnl. Ent. i. p. 17. n. 22 (1868) (Canada) ; Harris, ed. Scudd., Eal. Con: 

 p. 282 (1869) (descr. of larva) ; Bowles, Cuimd. Eiil. iii. p. 143 (1871) (Quebec, vi. vii.) ; 

 Lintn., Eiil. Omtr. i. p. 192 & iii. p. 17 (1872) (N. York, vi., larva on lilac viii.) ; Tbaxt., 

 Psychf i. p. 30 (1874) (Newton, MiLss., vii.) ; Grote, Bull. Buffalo Soc. N. Sci. i. p. 26 (1874) 

 (Canada ; Mass ; N.Y. ; Penn.) ; Boisd., Spec Gnu Lep. f/et. i. p. 93. n. .30 (1875) ; Caulf., 

 C'liiinl. Ent. vii. p. 241. n. 13 (1875) (Montreal, common, vi.) ; Grote, I.e. ii. p. 228. n. .58 

 (1875) ; Bull., Trmu. Znol. Soc. Laiiil. ix. p. 617. n. 1 (1877) ; Grote, l.c. iii. p. 224. n. 69 

 (1877) (Canada to Penn.) ; North., Oniarl. Ent. x. p. 16 (1878) (larva on black ash in viii. 

 ix., Cliicago) : Mart., Trans. Dept. Ac/r. Jll/ii. xviii. p. 105 (1880) (larva) ; Pil., Papilio ii. p. 66 

 (1882) (Davtori. O., one ? ) ; Reed, lirpt. Ent. Snc. Out. xii. p. 65 (1882) (larva) ; Edw., Papiliu 

 iii. p. 127 (1883) (larva, Si/riiir/a) ; Fish., Canail. Ent. xv. p. 238 (1883) (Buffal", larva, pupa) ; 

 Fern., ihiil., xvi. p. 21 (1884) (Orono, Me., very common) ; id., Sphinr/. JV. Emjl. p. 42. n. 16 

 (1886) (larva, pupa; ash, lilac); Grote, framk-.}foths X Am. p. 44 (1886); Edw., Bull. 

 U. St. \(it. Mils. XXXV. p. 47 (1889) (lit. rel. to metam.) ; Dyar, in Riley, Ins. Life iii. p. ,322 

 (1891) (N.Y., eleotr. light); Kirby, Cat. Lr/,. Uel. i. p. 690. n. 2 (1892) ; Beutenm., Bull. 

 Amer. Mu«. N. II. vii. p. 303. t. 5. f. 3 (1895) (N.Y., I., p., i. ; lilac, privet, ash) ; Hanh., 

 Qinad. Ent. xxix. p. 292 (1897) (Manitoba) ; Beutenm.. /.-• x. p. 310 (1898) (N.Y.) ; Rowl., 

 Eiit. .Y. /--.s X. p. 11 (189;)) (Missouri, on ash). 



S ?. Wings aud body vpitb a, distinct clayi.sh tiuge. Fringe of forcwing nearly 

 all brown, the white scales so covered by brown ones that only their tij)S are visible. 



Nab. Atlantic Subregion : Canada to Georgia, westward to the Mississippi basin. 



In the Tring Museum 3 larvae, 1 pupa, 10 cJc?, 8 ? ? from : Canada ; N. Jersey : 

 X. York; Virginia ; South Dakota. 



Till' three individuals from the last jilace are scarcely different from oreoiliiplinc. 

 An apparently bred specimen from Texas (received from Messrs. Staudiuger and 

 Bang-Haas) is the smallest chersis we have seen, its forewing measuring only 

 34 mm. in length ; it may represent a Texan subspecies, but it is more likely that 

 the larva was underfed, and that the specimen is therefore an artilicially dwarfed 

 individual. 



1U3. Hyloiciis vancouverensis (PI. XI II. f. 3. 4, 66). 



Sphhij- rancuuceccnsis Edwards, Proc. Calif. Ac. N. Sci. v. p. Ill (1874) (Vancouver I., viii.) : 

 Grote, Bull. Buffalo Soc. N. Sci. ii. p. 228. n. 61 (1875); id., l.c. iii. p. 224. n. 62 (1877) 

 (Calif.) ; Edw., Bull. Amer. ^fus. i\'. //. iv. p. 170 (1892) (Big Tree, Calif. ; Oregon) : Triim., 

 Ent. jVcics viii. p. 27 (1897) (S. Dakota). 



Sphinx (Iruplfcrarum, Hulhind, Canail. Ent. xviii. p. 103 (ISSlI) (vanc. = driijiif. ex err.); Smith, 

 Trans. Amer. Ent. S„c. xv. p. 177 (1888). 



S/ihin.r nisliti Strecker, l.,/j. p. 136. t. 15. f. 4 (1878) (Arizona) ; Dyar, P,ti/clie vii. p. 177 (18:iJ) 

 (Montana ; egg, larval stages, pupa ; on Sijinjih. rac). 



Spliin.r iilbescens Tepptr, Bull. Broolliju Kut. Soc. iv. p. 1. t. 1. f. 3 (1881) (Colorado). 



S ? . Mesothoracic tegula with heavy black edge, no mesial line, middle of 

 uiesothorax either grey or black. Basi-costal area of forewing whitish grey, sparely 

 limited behind by a brownish black area ; fringe with a few grey scales beneath 

 between the veins. White discal band of hindwlng very clearly marked on the 

 nndcrside, black discal baud not obviously dentate. Some of the spines of 



