The instrument described in this article was designed with the cooperation of Dr. Seashore to measure capacity for the acquisition of skill in coordination of eye and hand. The Miles" Pursuit Pendulum suggested the use of a moving stimulus following a fixed path at a constant speed as a convenient method of measuring eye-hand coordination; and this principle was incorporated in a simple, readily portable, and inexpensive apparatus. In the form as finally adopted and standardized, Figure I, the apparatus consists of a rotating wooden disc carrying a polished target and commutator with flexible contact, a Veeder counter operated by magnets, a control key, a hinged pointer, a storage battery, and a small phonograph.

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From time immemorial man has been trying to understand that which is beyond his knowledge. Although man's experience constantly widens and his store of information steadily increases, he realizes that there is a great unknown beyond his ken. The attitudes and beliefs which he develops to adjust to this seemingly vast and powerful unknown may cause him to behave in ways which are reeognized as religious. That this behavior should vary greatly and differ widely from group to group in equally diverse environments is to be expected. That these attitudes and beliefs do not remain abstract ideas but attach themselves to objects and become incorporated in institutions and specific behavior patterns should be equally expected. Hence the great variety of religions recorded on the pages of history, each an attempt to bring the unknown into concrete form with sufficient stability to be controlled or to act as an agent of control. RELIGIOUS BEHAVIOR

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