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REFERENCES 



Ando, H., and Okada, M. 



1958. Embryology of the butterbur-stem sawfiy, Aglaostigma occipitosa 

 (Malaise) as studied by external observation ( Tenthredinidae, 

 Hymenoptera). Acta Hymenopterologica, vol. i, pp. 55-62, 2 text 

 figs., 3 pis. 

 Anthon, H. 



1943. Zum Kopfbau der primitivsten bisher bekannten Dipterenlarve : Olbi- 

 ogaster sp. (Rliyhidae). Saertryk af Ent. Medd., vol. 23, pp. 

 303-320, 3 pis. 

 Balfour, F. M. 



1880. Notes on the development of the Araneina. Quart. Journ. Micr. Sci., 

 vol. 20, pp. 167-189, 3 pis. 

 Bervoets, R. E. 



1913. Note sur I'origine du labre des insectes. Ann. Soc. Ent. Belgique, 

 vol. 57, pp. 367-368. 

 BiERBRODT, Erik A. 



1942. Der Larvenkopf von Panorpa communis L. und seine Verwandlung 

 mit besonderer Beriicksichtigung des Gehirns und der Augen. Zool. 

 Jahrb., Anat., vol. 68, pp. 49-136, 33 text figs., i pi. 

 BoDENSTEiN, D., and Abdel-Malek, A. 



1949. The induction of aristapedia by nitrogen mustard in Drosophila 

 virilis. Journ. Exp. Zool., vol. in, pp. 95-116, 16 figs. 



