The respiration of insects

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[52] Chun C, 1876, ABT SENCKENB GES, V10, P27

[53] Cole A. E., 1921, Journal of Experimental Zoology Philadelphia, V33, P293

[54] Comstock J.H., 1887, AM NAT, V21, P577

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[56] CUENOT L, 1925, ADAPTATION, P193

[57] Cullen Anna M., 1918, Proceedings of the Academy Philadelphia, V70

[58] Damant G. C. C., 1924, Journal of Physiology Cambridge, V59, P345

[59] Davies WM, 1927, Q J MICROSC SCI, V71, P15

[60] DEEGENER P, 1913, SCHRODERS HDB ENTOMO, V1, P317

[51] CHOLODKOVSKY N., 1884, ZOOL ANZ, V7, P316

[52] Chun C, 1876, ABT SENCKENB GES, V10, P27

[53] Cole A. E., 1921, Journal of Experimental Zoology Philadelphia, V33, P293

[54] Comstock J.H., 1887, AM NAT, V21, P577

[55] CONTEJEAN C, 1890, CR HEBD ACAD SCI, V111, P361

[56] CUENOT L, 1925, ADAPTATION, P193

[57] Cullen Anna M., 1918, Proceedings of the Academy Philadelphia, V70

[58] Damant G. C. C., 1924, Journal of Physiology Cambridge, V59, P345

[59] Davies WM, 1927, Q J MICROSC SCI, V71, P15

[60] DEEGENER P, 1913, SCHRODERS HDB ENTOMO, V1, P317