1903. Photographing Nets of Hydropsyche. Proc. Ent. Soc. Wash., Vol. V, pp. 93-95.

Sumner, F. B.

1910. An Intensive Study of the Fauna and Flora of a Restricted Area of the Sea Bottom. Bull. U. S. Bur. of Fisheries, Vol. XXVIII, pp. 1225-1263.

A study on our coast along lines similar to those of C. G. J. Petersen’s “Det Videnskabelige Udbytte af Kanonbaaden ‘Hauchs’ Togter I de Danske Have Indenfor Skagen I Aarene” 1883-1886. 1893. pp. 464. Atlas. Copenhagen.

Transeau, E. N.

1908. The Relation of Plant Societies to Evaporation. Bot. Gaz., Vol. XLV, pp. 217-231.

Methods of studying the relative humidity of the air in various plant associations, also applicable to certain studies of animals.

Wainwright, D. B.

1905. A Plane Table Manual. Department of Commerce and Labor, Report U. S. Coast and Geodetic Survey for 1905. Appendix No. 7, pp. 295-341.

In making local studies the plane table may be very helpful.