152 Psyche [October 



place of rupture, by autotomy, at the border-line between femur 

 and trochanter. 



Literature. 1 



Ainslee, C. N., 1906. The Snow-Fly, Chionea valga., Canad. 



Entom., Vol. XXXVIII, pp. 275-276. 

 Bezzi, Mario, 1900. Sulla presenza del genere Chionea Dalman in 



Italia e la riduzione delle ali nei Ditteri, etc., Rend. 1st. 



Lomb. (2), Vol. XXXIII, pp. 511-526. 

 Bezzi, Mario, 1900. Die Chionea der Alpen, Societas entom., 



Jahrg. XXIII, pp. 97-99. 

 Boldyrev, B., 1913. Sur les Dipteres du genre Chionea Dalman 



observes en Russie, Revue Russe entom., T. XIII, pp. 308- 



322. (Summary in German.) 

 Brauer, F., 1854. Verh. Zool.-bot. Ges. Wien, IV, p. 609. 

 Cockle, J. W., 1914. The Mating of Boreus californicus, Proc. 



Entom. Soc. British Columbia, No. 4, Jan., also Feb. 22 and 



27. 

 Dalman, G. W., 1816. Chionea araneoides, Koningl. Vetensk. 



Acad. Handlinger, Stockholm, p. 104. 

 Girschner, 1887. Bemerkungen iiber zwei seltene Dipteren, 



Entom. Nachrichten, Berlin, XLII, p. 131. 

 Johnson, Charles W., 1907. The Snow-Fly, Chionea valga Harris, 



Psyche, Vol. XIV, pp. 40-43, fig. 3. 

 Johnson, Charles W., 1912. Dipterological Notes, Psyche, Vol. 



XLX, p. 102. 

 Klocker, A. Chionea araneoides Dalman en for vor fauna ny flue, 



Entom. Medel, Kjobenhavn (2), Bd. 1, p. 104. 

 Lesne, P., 1911. Sur la Presence du genre Chionea en Alsace, 



Bull. Soc. Entom. France, p. 170-171. 

 Lugger, O., 1896. Insects Injurious in 1896, Bull. Minnesota 



Agric. Expt. Sta. No. 48, pp. 270, pis. 16. 

 Lundstroem, 1907. Beitrage zur Kenntnis der Dipteren Finnlands 



VIII, Suppl. 2, pp. 60-61. Acta Soc. Pro Fauna et Flora 



Fennica, 29, No. 8, pp. 16-20. 

 Middendorff, A. Th. v., 1851. Reise in den aussersten Norden 



und Osten Sibiriens, Bd. II, Th. I, p. 68 (Insekten, bearbeitet 



von E. Menetries). 



l Only the more important papers are listed here. Many publications contain data on 

 Chionea, its local occurrence, etc. 



