T.  Fukai, ?On the wild silk worms of Japan?, Entomologische Rundschau, vol. 28, no. 13, pp. 102-103, 1911.

G. T.  Bethune-Baker, ?Descriptions of new African Heterocera?, Annals and Magazine of Natural History, vol. (8) 7, pp. 530-576, 1911.

F. X.  Williams, ?Expedition of the California Academy of Sciences to the Galapagos Islands, 1905-1906. III. The butterflies and hawk-moths of the Galapagos Islands?, Proceedings of the California Academy of Sciences, vol. 1, pp. 289-332, 1911.

A. E.  Wileman, ?Some new Lepidoptera-Heterocera from Formosa?, Entomologist, vol. 44, pp. 29-32, 60-62, 109-111, 148-152, 174-176, 204-206, +?, 1911.

H.  von Voss, ?Die Entwicklung der Raupenzeichnung bei einigen Sphingiden. Eine phylogenetische Studie?, Zoologische Jahrb�cher, vol. 3, pp. 573-642, 1911.

K.  Vorbrodt and Mü�ller-Rutz, J., Die Schmetterlinge der Schweiz, vol. I. Band. Vorwort. Einleitung. Rhopalocera, Sphingidae, Bombycidae, Noctuidae, Cymatophoridae, Brephidae. Bern: Druck und Verlag von K. J. Weiss, 1911, p. 489.

O. F. B.  von Linstow, ?{ISmerinthus tiliae} ab. {Iobsoleta}?, Internationale Entomologische Zeitschrift, vol. 5, pp. 49-50, 1911.

R.  Verity, ?Alcuni Lepidotteri inediti o non ancora figurati?, Bollettino della Società Entomologica Italiana, vol. 42, pp. 266-281, 1911.

E.  Strand, ?Deskriptive Bemerkungen �ber drei afrikanische Schwärmer aus der Sammlung des berliner Museums?, Societas Entomologica, vol. 25, pp. 94-95, 1911.

E.  Strand, ?Sphingidae aus Deutsche-Ostafrika gesammelt von Herrn Dr. Reuss?, Deutsche Entomologische Zeitschrift, Berlin, vol. 1911, pp. 649-653, 1911.

D.  Sharp, ?Sphingidae?, Zoological Record, vol. 46, p. 318, 1911.

D.  Sharp, ?Sphingidae?, Zoological Record, vol. 47, p. 326, 1911.

O.  Schultz, ?Ueber einige Abarten von Celerio (Deilephila O.) euphorbiae L. und Celerio mauretanica Stgr?, Internationale Entomologische Zeitschrift, vol. 5, p. 184, 1911.

L. W.  Rothschild, ?Two new Lepidoptera from New Guinea?, Annals and Magazine of Natural History, vol. 8, pp. 233-234, 1911.

C.  Oberthür, ?Explication des planches publiées dans le volume V des Etudes de Lépidoptèrologie comparée?, Études de Lépidoptèrologie Comparée, vol. 5, pp. 315-340, 1911.

W.  Niepelt, ?{IPergesa} ({IChaerocampa} ab. {Idaubi}?, Internationale Entomologische Zeitschrift, vol. 5, p. 186, 1911.

A. F.  Navarro, ?Some local insects of economic importance?, The Philippine Agriculturist and Forester, vol. 1, pp. 32-35, 1911.

S.  Matsumura, Thousand insects of Japan. Additamenta, vol. 4. Tokyo: , 1911, pp. 743-827.

K.  Jordan, ?In: A.M. Moss, [communication]?, Abstracts. Proceedings of the Zoological Society of London, vol. 97, p. 34, 1911.

K.  Jordan, ?16. Family: Sphingidae?, Gross-Schmetterlinge der Erde, vol. 2, pp. 229-270, 1911.

K.  Jordan, ?Some new Sphingidae?, Novitates Zoologicae, vol. 18, pp. 135-136, 1911.

E.  Giacomelli, ?Lépidopteros riojanos nuevos ó poco conocidos?, Anales de la Sociedad Cientifica Argentina, vol. 72, pp. 19-40, 1911.

W. T. M.  Forbes, ?A structural study of caterpillars II. The Sphingidae?, Annals of the Entomological Society of America, vol. 4, pp. 261-279, 1911.

A. M.  Djakanov, ?The geographical distribution of {ISmerinthus caecus} Mén (Lepidoptera, Sphingidae)?, Russkoe Entomologicheskoe Obozrenie, vol. 11, pp. 26-27, 1911.

P.  Denso, ?Zwei neue Rassenkreuzungen aus der {ICelerio euphorbiae} Gruppe?, Entomologische Zeitschrift, vol. 25, p. 133, 1911.

P.  Denso, ?Hybr. {ICelerio gallii gallii} Rott. ? x {ICelerio euphorbiae mauretanica} Stgr. ??, Internationale Entomologische Zeitschrift, vol. 5, pp. 258-259, 1911.

A.  Closs, ?Neue Sphingiden-Formen in meiner Sammlung?, Internationale Entomologische Zeitschrift, vol. 5, pp. 50-51, 1911.

A.  Closs, ?Berichtigung?, Internationale Entomologische Zeitschrift, vol. 5, p. 206, 1911.

A.  Closs, ?Ueber einige interessante Sphingiden?, Berliner Entomologische Zeitschrift, vol. 56, pp. 121-124, 1911.

A.  Closs, ?Zwei neue Sphingidenformen in meiner Sammlung?, Internationale Entomologische Zeitschrift, vol. 5, p. 199, 1911.

A.  Closs, ?Einige neue Aberrationen aus meiner Sphingidensammlung?, Internationale Entomologische Zeitschrift, vol. 5, pp. 275-276, 1911.

F.  Bandermann, ?In: P.H. [Paul Hoffmann], Briefkasten?, Internationale Entomologische Zeitschrift, vol. 4, p. 229, 1911.

J. L.  Austaut, ?Lépidoptères asiatiques nouveaux?, Entomologische Zeitschrift, vol. 44, pp. 242-244, 1911.

Anonymous, ?Berliner Entomologischen Verein. Sitzung vom 12. Oktober 1911?, Internationale Entomologische Zeitschrift, vol. 5, no. 42, pp. 281-282, 1911.