1936. Observations on _Podalonia violaceipennis_ (Lep.) (Sphecidae) and _Vespula maculata_ (Linn.) (Vespidae). Canadian Ent., vol. 68, pp. 137-139. BALL, E. D.; TINKHAM, E. R.; FLOCK, R.; and VORHIES, C. T. 1942. The grasshoppers and other Orthoptera of Arizona. Univ. Arizona Coll. Agr. Exp. Stat. Techn. Bull. No. 93, pp. 257-373. BALLOU, H. A. 1912. Insect pests of the Lesser Antilles. Imp. Dept. Agr., West Indies, pamphlet ser., No. 71, 210 pp. 1916. Report on the prevalence of some pests and diseases in the West Indies during 1915. Part I. Insect pests. West Indian Bull., Barbados, vol. 16, pp. 3-16. BARBER, H. S. 1939. A new parasitic beetle from California (Ripiphoridae). Bull. Brooklyn Ent. Soc., vol. 34, pp. 17-20. BARBER, M. A. 1912. The susceptibility of cockroaches to plague bacilli inoculated into the body cavity. Philippine Journ. Sci., vol. 7, sect. B, pp. 521-524. 1914. Cockroaches and ants as carriers of the vibrios of Asiatic cholera. Philippine Journ. Sci., vol. 9, sect. B, pp. 1-4. BARBIER, J. 1947. Observations sur les moeurs de _Rhipidius pectinicornis_ Thunbg. et description de sa larve primaire. (Col. Rhipiphoridae.) Entomologiste, Paris, vol. 3, pp. 163-180. BASIR, M. A. 1940. Nematodes parasitic in Indian-cockroaches. Proc. Indian Acad. Sci., ser. B., vol. 12, pp. 8-16. 1941. A new species of the Nematode genus _Blattophila_ Cobb, 1920, from a cockroach. Current Sci., Bangalore, vol. 10, pp. 443-445. 1942. _Protrellina phyllodromi_ sp. nov. A new nematode parasite of the cockroach _Phyllodromia humbertiana_ Sauss. [Letter to Editor.] Current Sci., Bangalore, vol. II, pp. 195-197. 1949. A redescription of _Cephalobellus brevicaudatum_ (Leidy, 1851) Christie, 1933 (Nematoda), with comments on other species of the genus _Cephalobellus_. Canadian Journ. Res., vol. 27 D, pp. 31-36. 1956. Oxyuroid parasites of Arthropoda. A monographic study. 1. Thelastomatidae. 2. Oxyuridae. Zoologica, Orig. Abhandl. Gesamt. Zool., Stuttgart, Bd. 38, Lief 2, Heft 106, pp. 1-79, 13 pls. BATES, H. W. 1863. The naturalist on the river Amazons. Vol. 1, 351 pp.; vol. 2, 423 pp. London. BAUDISCH, K. 1956. Zytologische Beobachtungen an den Mycetocyten von _Periplaneta americana_ L. Naturwissenschaften, vol. 43, p. 358. BAYLIS, H. A. 1925. Some notes on nematode parasites found by Dr. Wassink in rats and mice. Journ. Trop. Med. Hyg., vol. 28, pp. 316-317. BAYLIS, H. A.; PAN, T. C.; and SAMBON, J. E. B. 1925. Some observations and experiments on _Gongylonema_ in northern Italy. A preliminary note. Journ. Trop. Med. Hyg., vol. 28, pp. 413-419. BAYLIS, H. A.; SHEATHER, A. L.; and ANDREWS, W. H.