1900. A List of Works on North American Entomology. U. S. Dept. Agr., Div. Ent., Bull. No. 24 (N. S.). pp. 95.

1902. An Index to Bulletins Nos. I-30 (N. S.), (1896-1901), of the Division of Ent. U. S. Dept. Agr., Div. Ent., Bull. No. 36 (N.S.). pp. 64.

1910. A List of Works on North American Entomology. U. S. Dept. Agr., Div. Ent., Bull. 81. pp. 120.

This and the preceding edition (1900) form a very useful index to the systematic literature of insects, spiders, myriapods, etc.

1910. Catalogue of the Nearctic Hemiptera-Heteroptera. Amer. Ent. Soc. pp. 103. Philadelphia.

1910. Catalogue of Nearctic Spiders. U. S. Nat. Mus., Bull. 72. pp. 80.

In the absence of special bibliographies these catalogues are the most convenient avenue to the literature.

Bethune, C. J. S.

1900. General Index to the Thirty Annual Reports of the Entomological Society of Ontario, 1870-1899. pp. 76. Ontario Dept. Agr.

Beutenmüller, W.