134 CHAPTER I 



Verhoeff, K. W., 1937. Diplopoda u. Chilopoda. — Tierwelt Mitteleur. II. Leipzig, 



p. 1-120. 

 Wach'tler, W., 1937. Isopoda. — Tiervvelt Mitteleur. II. Leipzig, p. 225-317. 

 Walker, E. M., 1927. The woodlice or Oniscoidea of Canada (Crustacea, Isopoda). 



— Can. Field-Natur. 41. Ottawa, p. 173-179. 



1953- The Odonata of Canada and Alaska, i. — Toronto, p. 1-292. 



W.^rner, Rose E., 1952. Another European weevil, Pentarthrum huttoni Woll. in 

 North America. — Coieopt. Bull. 6. Washington, D. C, p. 51-52. 



Weyrauch, W., 1937. Zur Systematik und Biologic der Kuckuckswespen Pseudo- 

 vespa, Pseudovespula und Pseudopolistes. — Zool. Jahrb., Abt. Syst. 70. Jena, 

 p. 243-290. 



W^iLCOX, J., Mote, D. C. & Childs, L., 1934. The root-weevils injurious to straw- 

 berries in Oregon. — Bull. Agric. Exp. Stat., Oreg. State Agric. Coll. 330. Cor- 

 vallis, Oreg., p. 1-109. 



Williams, C. B., 1950. American moths in Britain. — Lep. News. 4. New Haven, 

 Conn., p. 62. 



Williams, S. R. & Hefner, R. A., 1928. The Millipedes and Centipedes of Ohio. 



— Ohio State Univ. Bull. 33. Columbus, Ohio, p. 91-147. 



Wilson, E. O., 1955. A monographic revision of the ant genus Lasius. — Bull. 



Mus. Comp. Zool. 113. Cambridge, Mass., p. 1-205. 

 Wilson, E. O. & Brown, W. L., Jr., 1955. Revisionary notes on the sanguinea and 



neogagates groups of the ant genus Formica. — Psyche. 62. Watertown, Mass., p. 



108-129. 

 Wynne-Edwards, V. C, 1952. Freshwater vertebrates of the Arctic and Subarctic. 



— Bull. Fish. Research Board Can. 94. Ottawa, p. 1-28. 

 0KLAND, vide Oekland. 



