MR. A. G. BUTLER ON THE SPHINGID®. 617 
5. HYLOICUS STROBI. 
Sphinx strobi, Boisduval, Ann. Soc. Ent. Belge, xii. p. 67. no. 71 (1868). 
Hyloicus strobi, Grote, Bull. Buff. Soc. Nat. Sci. i. p. 27 (1873). 
California (Lorguin). 
Also allied to H. pinastri. M. Boisduval thinks the species may possibly have been 
_ taken in Chili; but he is tolerably certain that California is the correct locality. 
6. HYLOIcUS PLEBEIA. 
Sphinx plebeia, Fabricius, Gen. Ins. p. 273 (1776). 
Anceryx plebeia, Walker, Lep. Het. viii. p. 224. no. 3 (1856). 
Ayloicus plebera, Grote & Robinson, Proc. Ent. Soc. Phil. v. p. 166. no. 99 (1865). 
United States (Doubleday); Delaware (Doubleday). B.M. 
7. HYLOoIcus PacrLa. 
Sphinx pecila, Stephens, Ill. Brit. Ent. Haust. i. p. 122. no. 8 (1828). 
Anceryx pecila, Walker, Lep. Het. viii. p. 229. no. 13 (1856). 
t (Vigors’s Coll.). Type, B.M. 
Like a strongly marked female of H. plebeia, which I believe it to be. 
8. Hy.orcus PorYI. 
Hyloicus poeyi, Grote, Lye. Nat. Hist. New York, p. 200 (1863). 
* Atlantic District!” 
9. HyYLoicus JUNIPERI. 
Sphinx juniperi, Boisduval, Voy. de Delagorgue, ii. p. 595. no. 112 (1847). 
Anceryx juniperi, Walker, Lep. Het. viii. p. 229. no. 12 (1856). 
Port Natal (Gueinzius & Stevens). B.M. 
This is the only Sphingid described by Dr. Boisduval in the above work. 
Genus 17. SpHinx, Linneus. 
Sphinx, Linnzus, Syst. Nat. i. 2, p. 796 (1766). 
1. SPHINX CHERSIS. 
Lethia chersis, Hiibner, Samml. exot. Schmett. ii. pl. 167. figs. 1, 2 (1806). 
Sphinx chersis, Grote and Robinson, Proc. Ent. Soc. Phil. vol. v. p. 165. no. 92 (1865). 
Sphinx cinerea, Harris, Cat. N.-Am. Sph., Sill. Journ. vol. xxxvi. p. 295 (1839) ; Scudder, Harris’s 
Corresp. p. 282, pl. 2. fig. 6, larva (1869). 
United States (Doubleday); North America. B.M. 
