Volume VI, Number 3

=Alexander, Charles Paul=

Biology of the North American Crane-Flies (Tipulidæ Diptera), 105.

=Ewing, H. E.=

The Geographical Distribution of Our Common Red Spider, Tetranychus Telarius Linn., 121.

=King, Geo. B.=

The Eleventh Kermes (Coccidæ) from California, 133.

=Hilton, William A.=

The Central Nervous System of the Pycnogonid Lecythorhynchus, 134.

=Bacon, Gertrude Auld=

The Distribution of Collembola in the Claremont-Laguna Region of California, 137.

Wants and Exchanges, 185.