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258 THE UNIVERSITY SCIENCE BULLETIN. 
HeEYMOoNS, R., 1906. Ueber einen apparat zum Oeffnen der Eischale bei 
den Pentatomiden. Zeitschr. Wiss. Insektenbiol, II, pp. 73-82. (De- 
vice similar to what I find in Gerris, Hydrometra, Hebrus, Mier 
velia.) 
HEYMONS, RIcH., 1896. Die mundtheile der Rhynchota. Entom. Nachr. , 
XXKI, Nos 115 pp-i735 5: 
HoumgEs, S. J., 1904. Phototaxis in Ranatra Jr. Comp. Neur and Psych. | 
XV, p. 305. 
HOLMES, S. J., 1907. Observations on the young of Ranatra. Biol. Bull. 
Woods Hole 12, pp. 158-164. (Behavior studies.) 
HouMEs, S. J., 1911. The evolution of Animal Intelligence, 1911. 
HoppPe, JULIAN, 1911. Die atmung von Notonecia glauca Zool. Jahrb. 
89, XX XI, 189-244. (Gets different results from Brocher.) 
HorvVATH, 1873. Corixa Frivoldskyi Horv. sine neue art von Pest., Berl. 
Ent. ‘Zeitschy, XVIII, p. 336. 
Howarp, L. O., 1900. Hibernation of Electric Light Bug in. U.S. Dept. 
Agri. Div. Ent. Bull. 22, n.s., p. 108. (Washington.) (B. ameri- 
cana taken under ice.) 
Howarp, L. O., 1912. The Insect Book. Doubleday, Page & Co. | 
HUNGERFORD, H. B., 1917. The Egg Laying Habits of a Backswimmer 
Buenoa margaritacea Ent. News, XXVIII, pp. 174-183, 1 pl. 
HUuNGERFORD, H. B., 1917. Notes Concerning the Food Supply of Some 
Water Bugs. Science, N. S. XLV, No. 1,162, pp. 336-337. 
HUNGERFORD, H. B., 1917. Food Habits of Corixids. Jr. N. Y. Ento. Soc. 
XXV, No. 1, pp. 1-5, 1 pl. | 
HUNGERFORD, H. B., 1917. The Life History of the Backswimmer, 
Notonecta undulata Say. Ent. News, XXVIII, pp. 267-278, 2 pl. — 
HUNGERFORD, H. B., 1917. The Life History of Mesovelia mulsanti 
White. Psyche, XXIV, No. 3, pp. 73-84, 1 pl. 
HUNGERFORD, H. B., 1917. Life History of a Boatman. Jr. N. Y. Ent. 
Soc., vol. XXV, No. 2, June, pp. 112-122, 1 pl. : 
HUNGERFORD, H. B., 1918. Notes on the Oviposition of Some Semi- 
aquatic Hemiptera (Hebrus Salda, Lamprocanthia). Jr. N. Y. Ent. 
Soc. XXVI, No. 2, Mar., pp. 12-18, 1 pl. 2 
HUNGERFORD, H. B., 1918. Concerning the Oviposition of Notonecta. 
Ent. News, XXIX, pp. 241-245, 1 pl. : 
IMHoF, O. E., 1901. Mecanisme de la fermeture des ailes des Hemip- 
teres peu communs de M. Maur Royer. Bull. Soc. Entom. Fr. 1901, 
No. 10, pp. 191-192. 
JEWELL, MINNIE E. Survival of Certain Aquatic Animals in the ab- 
sence of Oxygen under different conditions of acidity and alka- 
linity. (Read before Ecol. Soc., Dec., 1916, in N. Y.) 
JOHANSEN, F., 1908. Denmark Ekspeditionen til Gronlands Nordontkyst, 
1906-1908. (Copenhagen.) Meddelelser om Gronland, 337, V. 321- 
337. (Fresh Water Life in Northeast Greenland.) (Have not seen 
this.) 
JOHANNSEN, O. A. & J. F. Luoyp, 1915. Genera of Plancton organisms 
of the Cayuga Lake basin. Limnological Lab., Ithaca, N. Y. (Used 
to aid in determining stomach contents of Corixids.) 
Keys, 1895. A’pophilus monnairii, habits. Ent. Mag. XXXI, p. 136. 
KELLOGG, V. L., 1914. American Insects. H. Holt. 4 
Kirsy, 1892. Text Book of Entomology. (London.) (Water Bugs, pp. 
206-208.) a 
KIRITSHENKS, A. N., 1911. Notices sur les Hemipteres Heteroptere 
de la faune russe. Rev. Russe. Entom. XI, pp. 40-43. (Petersburg.) 
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