642 MR. A. G. BUTLER ON THE SPH1NGID.E. 



Genus Sphinx, Linnaeus. 

 Sphinx lugens. 

 Sphinx lugens, Strecker, Lep. Rhop. and Het. i. pi. xiii. fig. 12 (1876). 



Sphinx plota. 

 Sphinx p/ota, Strecker, Lep. Rhop. and Het. i. p. 106 (1875); pi. xiii. fig. 13 (1876). 

 Canada, Cincinnati. 



Section Lethia, Hubner. 

 Sphinx luscitiosa. 

 Sphinx luscitiosa, Strecker, Lep. Rhop. and Het. i. pi. xiii. fig. 11 (1876). 



There seems to be no doubt that this is a Lethia, as determined by Mr. Grote. 



Genus Hyloicus, Hubner. 

 Hyloicus coniferarum. 

 Sphinx coniferarum, Strecker, Lep. Rhop. and Het. i. pi. xiii. fig. 15 (1876). 



Hyloicus harrisii. 

 Sphinx harrisii, Strecker, Lep. Rhop. and Het. i. pi. xiii. fig. 16 (1876). 



Hyloicus SEQuoiiE. 

 Sphinx sequoia, Strecker, Lep. Rhop. and Het. i. pi. xiii. fig. 17 (1876). 



Hyloicus saniptri. 

 Sphinx saniptri, Strecker, Lep. Rhop. and Het. i. pi. 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, Hubner. 

 Nephele hespera. 

 Sphinx quaterna, Charpentier, ed. Esper's Ausl. Schmett. Sphing. tab. i. fig. 2 (1830). 



Genus Arctonotus, Boisduval. 



Arctonotus lucid us. 

 Arctonotus lucidus, Strecker, Lep. Rhop. and Het. i. pi. xiii. fig. 7 (1876). 



A. G. Butlor, 25th September. 1876. 



