642 MR. A. G. BUTLER ON THE SPHINGID#. 
Genus SpHinx, Linnzus. 
SPHINX LUGENS. 
Sphina lugens, Strecker, Lep. Rhop. and Het. i. pl. xiii. fig. 12 (1876). 
SPHINX PLOTA. 
Sphinzx: plota, Strecker, Lep. Rhop. and Het. i. p. 106 (1875) ; pl. xiii. fig. 13 (1876). 
Canada, Cincinnati. 
Section Leru1a, Hiibner. 
SPHINX LUSCITIOSA. 
Sphina luscitiosa, Strecker, Lep. Rhop. and Het. i. pl. xin. fig. 11 (1876). 
There seems to be no doubt that this isa Lethia, as determined by Mr. Grote. 
Genus Hytorcus, Hiibner. 
HYLOICcUS CONIFERARUM. 
Sphinx coniferarum, Strecker, Lep. Rhop. and Het. i. pl. xiii. fig. 15 (1876). 
HYLOICUS HARRISII. 
Sphinx harrisii, Strecker, Lep. Rhop. and Het. 1. pl. xin. fig. 16 (1876). 
HYLOICUS SEQUOILA. 
Sphinx sequoie, Strecker, Lep. Rhop. and Het. i. pl. xiii. fig. 17 (1876), 
HYLOICUS SANIPTRI. 
Sphinx saniptri, Strecker, Lep. Rhop. and Het. i. pl. xiii. fig. 18 (1876). 
Canada and Philadelphia. 
I have to thank Mr. Kirby for lending me Mr, Strecker’s work, and the author of it 
for his excellent figures, which have enabled me to refer the above species to their correct 
genera. 
Genus NEPHELE, Hiibner. 
NEPHELE HESPERA. 
Sphinx quaterna, Charpentier, ed. Esper’s Ausl. Schmett. Sphing. tab. 1. fig. 2 (1830). 
Genus Arcronotus, Boisduval. 
ARCTONOTUS LUCIDUS. 
Arctonotus lucidus, Strecker, Lep. Rhop. and Het. i. pl. xiii. fig. 7 (1876). 
A. G. Butler, 25th September, 1876. 
