41 



List of Works to which reference is made. 



1. Andres, A.—" La Phase d'engourdissement ou Hibernation 



en Egypte chez quelques Lepidopteres." Bull. Soc. Ent. 

 Egypt, iii.. 1911, pp. 89-96. 



2. Ashworth, J. H. — " Note on hibernation of Flies." Scottish 



Naturalist, 1916, pp. 81-84. 



3. Burgeff, H. — Beitrilge zur Biologie der Gattung Zi/ijaena. Zs. 



f. u-iss. Insektenhioloiiie, vi., 1910, pp. 39-44 and 97-98. 



4. Baumberger, J. P. — Hibernation a periodical Phenomenon, 



Ann. Ent. Sue. Aiuer., x., 1917, pp. 179-186. 



5. Chapman, T. A. — On Winglessness in Winter Moths. F^nt. 



hec, XV., 1903, pp. 43-46. 



6. Chapman, T. A. — A Note on Hibernation in Lepidoptera. 



Ent. Bee, xxii., 1910, pp. 168-170. 



7. Chapman, T. A. — Apterous Females of certain Lepidoptera. 



Eiit. Mo. Ma,)., 1913, pp. 8-10. 



8. Chapman, T. A. — Apterous Females of Winter Moths. I.e., 



pp. 81 and 82. 



9. Chapman, T. A. — Apterousness in Lepidoptera. Trans. Land. 



Nat. Hist. Soc, 1916, pp. 49-76. 



10. Dupont, A. — Note sur quelques particularites d'hiveruage chez 



les Insectes. Bull. Sac. Sci. Nat. Rouen, xlv., 1910, pp. 

 29-31. 



11. Frey, R. — Beitrag zur Kenntnis der Arthropodenfauna in 



Winter. Meddel. Sac. Eauna et Elora Fenn., 1913, pp. 

 106-121. 



12. Graham-Smith. — Hibernation of Flies in a Lincolnshire House. 



Parasitology, xi., 1918, pp. 81-82. 



13. Hudson, G. V. — Notes on semi-apterous Females in certain 



species of Lepidoptera. Ent. Mo. May., 1912, pp. 269-275. 



14. Lucas, W. J. — Mo)ioyraph of the British Orthoptera. 



15. Lucas, W. J. — JSLonoyrapli of the British Drayonfii.es. 



16. Newman, L. W. — The Hibernation of Va)iessa atalanta in 



Captivity. Trans. Ent. Soc, 1911, pp. 173-174. 



17. Pictet, A. — Le Role joue par la Selection Naturelle dans 



I'Hibernation des Lepidopteres. Proc. IX." (Joyiyres Internat. 

 de Zooloyie a Monaco, 1913, pp. 774-788. 



18. Porritt, G. T. — Apterous or semi-apterous females of certain 



Lepidoptera. Ent. Mo. Mag., 1913, pp. 63. 



19. Porritt, G. T.— The Wingless Geometer. I.e., pp. 79-81. 



