_V. J. Girl, age 11-6; mental age 8; I Q 70._ Has been tested three times in the last five years, always with approximately the same result in terms of I Q. Home fair to inferior. Has been in a special class two years and in school altogether nearly six years. Is barely able to do third-grade work. Her feeble-mindedness is recognized by teachers and by other pupils. Belongs at about middle-moron to high-moron level. _A. W. Boy, age 9-4; mental age 7; I Q 75._ A year and a half ago he tested at 6-2. From superior family, brothers of very superior intelligence. In school three years and has made about a grade and a half. Has higher I Q than V. J. described above, but his deficiency is fully as evident. Is generally recognized as mentally defective. Slyly abstracted one of the pennies used in the test and slipped it into his pocket. Has caused much trouble at school by puncturing bicycle tires. High-grade moron. [Illustration: FIG. 7. DIAMOND DRAWN BY A. W.] _A. C. Boy, age 12; mental age 8-5; I Q 70._ From Portuguese family of ten children. Has a feeble-minded brother. Parents in comfortable circumstances and respectable. A. C. has attended school regularly since he was 6 years old. Trying unsuccessfully to do the work of the fourth grade. Reads poorly in the third reader. Hesitates, repeats, miscalls words, and never gets the thought. Writes about like a first-grade pupil. Cannot solve such simple problems as "How many marbles can you buy for ten cents if one marble costs five cents?" even when he has marbles and money in his hands. Described by teacher as "mentally slow and inert, inattentive, easily distracted, memory poor, ideas vague and often absurd, does not appreciate stories, slow at comprehending commands." Is also described as "unruly, boisterous, disobedient, stubborn, and lacking sense of propriety. Tattles." Three years later, at age of 15, was in a special class and was little if any improved. He had, however, learned the mechanics of reading and had mastered the number combinations. Deficiencies described as "of wide range." Conduct, however, had improved. Was "working hard to get on." A. C. must be considered definitely feeble-minded.