We thank Dr. R. A. Howard, Harvard University, for checking lists of plant names; Mrs. Maria E. W. Torok, formerly of the Quartermaster Technical Library, for assistance in obtaining obscure literature; Miss Louise Bercaw, U. S. Department of Agriculture Library, for identifying the journal containing the paper by Vlasov and Miram; the individuals who translated foreign language articles, for which they are credited in the bibliography; and Miss G. Lillian Fede, Quartermaster Research Laboratories, for typing the manuscript. REFERENCES ABDULALI, H. 1942. The terns and edible-nest swifts at Vengurla, West Coast, India. Journ. Bombay Nat. Hist. Soc., vol. 43, pp. 446-451. ABEILLE DE PERRIN, E. 1909. Étude d'un _Rhipidius_ nouveau de Provence, _R. Boissyi_ Abeille. Compt. Rend. Soc. Biol., Paris, vol. 67, pp. 854-858. ADAIR, E. W. 1923. Notes sur _Periplaneta americana_ L. et _Blatta orientalis_ L. (Orthop.). Bull. Soc. Ent. Égypte, vol. 7, pp. 18-38. ADELUNG, N. VON. 1907. Beiträge zur Orthopterenfauna der südlichen Krim. Mus. Zool., Akad. Nauk, St. Petersburg, vol. 12, pp. 388-413. [Extract translated by H. L. Middleton.] ADLERZ, G. 1903. Lefnadsförhållanden och instinkter inom familjerna Pompilidae och Sphegidae. K. Svenska Vet.-Akad. Handl., Stockholm, vol. 37, pp. 1-181. 1906. Lefnadsförhållanden och instinkter inom familjerna Pompilidae och Sphegidae. II. K. Svenska Vet.-Akad. Handl., Stockholm, vol. 42, pp. 1-48. AKKERMAN, KLAASJE. 1933. Researches on the behaviour of some pathogenic organisms in the intestinal canal of _Periplaneta americana_ with reference to the possible epidemiological importance of this insect. Acta Leiden., vol. 8, pp. 80-120. ALFIERI, A. 1914. Un Hyménoptère parasite des oothèques d'un blattide. Bull. Soc. Ent. Égypte, 1913, vol. 3, pp. 14-15. ALICATA, J. E. 1934. New intermediate hosts for some heteroxenous nematodes. Proc. Helminthol. Soc. Washington, vol. 1, p. 13. 1934a. Observations on the development to egg-laying maturity of _Gongylonema pulchrum_ (Nematoda: Spiruridae) in the guinea pig. Proc. Helminthol. Soc. Washington, vol. 1, pp. 51-52. 1934b. Observations on the period required for _Ascaris_ eggs to reach infectivity. Proc. Helminthol. Soc. Washington, vol. 1, p. 12. 1935. Early developmental stages of nematodes occurring in swine. U. S. Dept. Agr. Techn. Bull. No. 489, 97 pp. 1937. Larval development of the spirurid nematode, _Physaloptera turgida_, in the cockroach, _Blatella germanica_. _In_ Papers on Helminthology, All-Union Lenin Acad. Agr. Sci., Moscow, pp. 11-14. 1938. Studies on poultry parasites. Hawaii Agr. Exp. Stat. Ann. Rep. for 1937, pp. 93-96.