Development.
SPECIAL REFERENCES.
Rathke. Zur Entwickelungsgesch. der Blatta germanica. Meckel’s Arch. of Anat. u. Phys., Bd. VI. (1832).
Balfour. Comparative Embryology, 2 vols. (1880–1).
Graber. Insekten, Vol. II. (1879).
Lubbock. Origin and Metamorphoses of Insects (1874).
Kowalewsky. Embryol. Studien an Würmern u. Arthropoden. Mém. Ac. Petersb. Sér. VII., Vol. XVI. (1871).
Weismann. Entw. der Dipteren. Zeits. f. wiss. Zool., Bde. XIII., XIV. (1863–4).
Metschnikoff. Embryol. Studien. an Insecten. Ib., Bd. XVI. (1866).