144 REGINALD G. HARRIS. 



function of the larva to an extent that, instead of realizing its 

 normal function, the larva, though originally a pupa-larva, 

 functions as a paxlogenetic larva. If the change has been 

 accomplished the eggs will not develop pa?dogenetically, and the 

 pupa-larva continues its existence in accomplishing its normal 

 life-history. 



BIBLIOGRAPHY. 

 Harris, R. G. 



'23 Occurrence, Life-cycle, and Maintenance, under Artificial Conditions, of 



Miastor. Psyche, Vol. XXX., p. 97-101. 

 Springer, Fritz. 



'17 "Polymorphismus bei den Larven von Miastor metraloas." 



Zool. Jahr. Abth. f. Anst., 40, p. 57. 

 Harris, R. G. 



'23 "Control of the Appearance of Pupa-larvae in Paedogenetic Diptera." 



Proc. Nat. Acad. Sci., Vol. 9, p. 407-413. 

 Harris, R. G. 



'24 "Further Data on the Control of the Appearance of Pupa-larvae in Paedo- 

 genetic Cecidomyidae (Oligarces, sp.). In press. 



Acknowledgment is made to Dr. C. B. Davenport, of the Dept. of Genetics 

 of the Carnegie Institution of Washington, for facilities offered at the 

 station in connection with this work. 

 Harris, R. G. 



'24 Sex of Adult Cecidomyidae (Oligarces sp.) Arising from Larvae Produced by 

 Paedogenesis. In press. 



