E. C.  Chisholm, ?The principal fauna found in District of Marrangaroo, County of Cook, N.S.W.?, Australian Zoologist, vol. 3, no. 2, pp. 60-71, 1923.

E. - L.  Bouvier, ?Sur les Adelocephala, Anisota et Syssphinx des collections du Muséum?, Comptes Rendus du Congrès des Sociétés Savantes de Paris et des Départements, Section des Sciences, vol. 1923, pp. 57-64, 1923.

H. T. G.  Watkins, ?Moths of Mesopotamia and N.W. Persia. Part II. Sphinges & Bombyces?, Journal of the Bombay Natural History Society, vol. 28, pp. 184-186, 1923.

A. J.  Turner, ?Studies in Australian Lepidoptera?, Proceedings of the Royal Society of Victoria, vol. 35, pp. 26-62, 1923.

H.  Skinner, ?A new genus and species of sphinx (Lepid.)?, Entomological News, vol. 34, p. 138, 1923.

E.  Ronna, ?Apontamentos de microfauna Rio-Grandense?, Egatéa, vol. 8, pp. 253-257, 507-513, 1923.

H.  Powell, ?Notes sur la découverte et la biologie de la Saturnia (Graellsia) Isabellae dans les Hautes-Alpes?, Études de Lépidoptèrologie Comparée, vol. 20, pp. 180-197, 1923.

A.  Petroff, ?Note sur {ICelerio mauretanica} Stgr. (Lepid.)?, Bulletin de la Société Entomologique d'Egypte, vol. 1922, pp. 35-37, 1923.

R.  Mell, ?Noch unbeschriebene Lepidopteren aus Sü�dchin. II?, Deutsche Entomologische Zeitschrift, Berlin, vol. 1923, pp. 153-160, 1923.

J. H.  McDunnough, ?Notes on the identity of Sphinx vancouverensis Edw. (Lepid.)?, Canadian Entomologist, vol. 55, pp. 147-148, 1923.

L.  Lhomme, Catalogue des Lépidoptères de France et de Belgique, vol. 1. [Various]: [Various], 1923, p. 800.

F.  Le Cerf, ?Lépidoptères nouveaux recueillis au Maroc par M.H. Ungemach?, Bulletin de la Société Entomologique de France, vol. 1923, pp. 197-200, 1923.

K.  Jordan, ?A new species of hawkmoth from Borneo?, Novitates Zoologicae, vol. 30, pp. 268-269, 1923.

K.  Jordan, ?Four new Sphingidae discovered by T.R. Bell in North Kanara?, Novitates Zoologicae, vol. 30, pp. 186-190, 1923.

K.  Jordan, ?Über einige alte und neue Spingiden [sic] (Lep.)?, Entomologische Mitteilungen, vol. 12, pp. 51-57, 1923.

K.  Jordan, ?A note on the families of moths in which R2 (= vein 5) of the forewing arises from near the centre or from above the centre of the cell?, Novitates Zoologicae, vol. 30, pp. 163-166, 1923.

C. C.  Gowdey, ?The principal insect pests of tobacco in Jamaica?, Entomological Circular. Department of Agriculture, Jamaica, vol. 9, pp. 1-6, 1923.

A. M.  Djakanov, ?De quibusdam Lepidopteris Heteroceris palaearcticis novis vel parum cognitis?, Ezhegodnik Zoologicheskago Muzeya Imperatorskoi Akademii Nauk, vol. 24, pp. 104-123, 1923.

A. M.  da_Costa_Lima, ?Catalogo systematico dos insectos que vivem nas plantas do Brasil e ensalo de bibliographia entomologica brasileira?, Archivos da Escola Superior da Agricultura e Medicina Veterinaria. Nictheroy, vol. 6, pp. 107-276, 1923.

T. D. A.  Cockerell, ?The Lepidoptera of the Madeira Islands?, Entomologist, vol. 56, pp. 243-247, 1923.

B. P.  Clark, ?Thirty-three new Sphingidae?, Proceedings of the New England Zoological Club, vol. 8, pp. 47-77, 1923.

W. M.  Barnes and Benjamin, F. H., ?Nomenclature notes and new species?, Contributions to the Natural History of the Lepidoptera of North America, vol. 5, pp. 53-96, 1923.

Anonymous, ?A preliminary list of the pests of cultivated plants in Ceylon?, Bulletin. Department of Agriculture, Ceylon, vol. 67, pp. 1-68, 1923.