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Heterocera. 
SPHINGID. 
T. W. HAaRRIs.—Descriptive Catalogue of the North American insects 
belonging to the Linnean genus Sphinx, in the cabinet of Thaddeus 
William Harris, M. D., librarian of Harvard University. <Amer. 
Journ. Se. and Arts, Vol. XXXVI, 1839, pp. 282-320. 
Includes not only the Sphingide as at present limited, but also the Zygeni- 
de of Grote’s new list. 
B. CLEMENS.—Synopsis of the North American Sphingides. <Journ. 
Ac. Nat. Se. Phil., Vol. IV, Pt. 2, 1859, pp. 97-190. 
A monograph of the family as at present limited. 
J. A. BOISDUVAL.—Sphingides, Sesiides, Castniides. Paris, Roret 1874. 
Forms part of the Suites 4 Buffon, and is Vol. I of the Spécies général des 
Lépidoptéres hétérocéres. 
A. G. BUTLER.—Revision of the Heterocerous Lepidoptera of the 
family Sphingide. <Trans. Zool. Soc. London, Vol. IX, 1877, pp. 
511-644, Pl. XC-—XCIV. 
- A descriptive catalogue. 
JOHN B. Smitu.—An introduction to a classification of the North 
American Lepidoptera. Sphingide. <Entom. Amer., Vol. I, 1885, 
pp. 81-87. 
Contains a synopsis of the genera, with brief remarks on each. 
C. H. FERNALD.—The Sphingide of New England. Orono, Me., 1886. 
Gives the life-history, so far as known, of all species recorded from New Eng- 
land. 
JOHN B. SMITH.—A monograph of the Sphingide of North America, 
north of Mexico. <Trans. Amer. Ent. Soc., Vol. XV, 1888, Part HU, 
12 plates. 
[This is not published but is included here because now in the printer’s 
hands.—C. V. R.] 
SESIID &. 
See papers by Harris and Boisduval above cited, who treat the Sesiidz asa 
part of the Sphingide, both works being antiquated so far as they relate to 
the Sesiide. 
JOHN Bb. SmirH.—An introduction to a classification of the North 
American Lepidoptera. <Entom. Amer., Vol. [X., 1888, pp. 9-13. 
THYRID 42. 
This family has also been treated by Harris and Boisduval as a part of the 
Sphingide. 
ZY GASNID A. 
A. S. PACKARD, Jr.—Notes on the family Zygenide. <Proc. Essex 
Institute, Vol. IV, 1864, pp. 7-47, Pi. I, I. 
Description of a number of new genera and species, with notes on others. 
