TABLE OF CONTENTS. 
Page 
- Synopsis . 108 
*Ohap. I. Orientation. 
Hybrids defined. Ill 
Possible hybrids . Ill 
Actual hybrids. 118 
The single thinking of what they express. 116 
Singleness versus so-called identity. 117 
The double thought-factorships of what they express 118 
Thoughts in which double factorship occurs. 119 
Central thought. 125 
Lateral thought . 134 
Centro-lateral thought. 139 
The centro-1 ateral factor. 140 
(1) Its leadership among its lateral fellows. . . . 141 
(2) Its attendance by its lateral fellows. 142 
(3) Its central factorships. 144 
(4) Its lateral factorships. 144 
(5) Its double factorships. 145 
(6) Its expression by a verbal noun. 146 
(7) Its expression by a verbal adjective. 147 
(8) Its expression by a verbal adverb. 152 
