ing contests.

Ribs--Supports for the fabric, made of ash or spruce and bent to the
correct curves.

Rudder--One or more steering planes are invariably fitted to practical
machines to control the direction of flight.

Superposed Planes--Arrangement of one plane over the other, as in the
Wright, Voisin and Farman machines.

Supplementary Planes (or surfaces)--Additional surfaces which are used
for stabilization.

Stabilizer--Any surface for automatically maintaining lateral or
longitudinal balance.

Struts--Fixtures used in biplane construction to maintain an equal
distance between two planes.

Skids--Long skates on which the machine can land in safety.

Span--The distance from tip to tip of the main planes in a transverse
direction to that of flight.

Soaring Flight--The flight of certain large birds without wing flapping.
Its solution and imitation constitute one of the problems of aerial
navigation.

Sustaining Surface--Any surface placed in a horizontal or approximately
horizontal position, primarily for the purpose of affording sustension.

Triplane--An aeroplane with three main surfaces.

Webs--Small blocks of wood placed between the ribs which act as distance
pieces.

Wing Warping--A system of maintaining lateral balance by differential
twisting of wing tips in such manner as to increase the sustension on
one side and decrease it on the other.

--New York Tribune.

COLLEGE COLORS.

Amherst--Purple and white.

Beloit--Old gold,

Bowdoin--White.

Brown--Brown and white.

Columbia--Light blue and white.

Cornell--Carnelian and white.

Dartmouth--Green.

Harvard--Crimson.

Indiana--Crimson and cream.

Iowa--Scarlet and black.

Iowa State--Cardinal and gold.

Johns Hopkins--Black and old gold.

Lake Forest--Red and black.

Leland Stanford--Cardinal.

Northwestern--Royal Purple.

Oberlin--Crimson and gold

Princeton--Orange and black.

Purdue--Old gold and black.

University of Chicago--Maroon.

University of Illinois--Orange and navy blue.

University of Michigan--Maize and blue.

University of Minnesota--Old gold and maroon.

University of Notre Dame--Gold and blue.

University of Pennsylvania--Red and blue.

University of Rochester--Dandelion yellow.

University of Wisconsin--Cardinal.

Vassar--Rose and gray.

Williams--Royal purple.

Yale--Blue.

THE CLAIMS OF OSTEOPATHY.

Strictly construing the claims of osteopathic doctors, it is an
anti