What is there in the nature of individual substance which accounts for its unity and activity? As has been argued, [Gottfried Wilhelm] Leibniz did not regard haecceity as able to play this role, but frequently mentioned substantial form as a principle both of unity and activity. This makes it impossible to identify substantial form with haecceity. The strongest remaining possibility seems to be a composition of substantial form and haecceity within the nature of substance.

Several kinds of laminoplasties have been reported for lesions of the thoracic and lumbar spine, including use of a titanium miniplate and translaminar screws [ 3, 4, 9 ].

Bedrnik ( 1970a ) obtained greater development of E . tenella merozoites after using inocula containing “misintroduced" cells from the cecum of chickens.

A death, a drought ascribable to the sorcery of a weathermaker, a cyclone and so forth could always excite the natives to acts of revenge, and consequently no man could leave his district unarmed […]