ON ANTOROrOMETRiC INVESTIGATION IN THE BRITISH ISLES. 373 



List of Mental Characteus, 



1. Power of 'observation* or sense -perception, 



(a) Accuracy. 



(d) Fulness {i.e., degree to which attention is habitually given 



to objects of the outer world rather than to reflection and 



imagination). 



2. ' Quickness ' of apprehension in general. 



.3. Scope of apprehension (z.«., capacity for appi'ehending complex 

 relations and multiplicity of detail). 



4. Intensity of application to mental tasks {i.e., power of ' concentra- 

 tion ' of attention ; this may be taken to be inversely as the readiness 

 with vv'hich attention is distracted from the task in hand by irrelevant 

 objects and impressions). 



(a) Spontaneous or non-voluntary. 



(b) In virtue of effort of will. 



5. Capacity for sustained application {i.e., for sustaining and repeating 

 concentration of attention upon given task=' perseverance '). 



(«) Spontaneous. 



(6) In virtue of effort of will. 



6. Natural or spontaneous ' interests ' {i.e., interests in objects or 

 topics for their own sake, not indirectly acquired by special training or 

 through such influences as emulation or systematic reward and punish- 

 ment). 



{a) Intensity. 



(b) Variety or width of field of interests. 



(c) Persistency of interests in particular topics and objects. 



7. Native ' retentiveness ' of memory as expressed, e.r/., by accurate 

 reproduction of matter committed to memory by rote learning or by capacity 

 for describing objects or events of no special interest previously observed. 



(n) Immediate, i.e., as revealed after brief interval of few 



minutes onl}'. 

 {b) Continued, i.e., as revealed after interval of twenty-four 



hours or more. 



8. Systematic memory {i.e., retention of facts in virtue of the appre- 

 hension of their connection with topics of special interest to the 

 individual, or because systematically related with one another). 



9. Selective memory — exceptional retentiveness for certain classes of 

 impressions, or for facts about certain subjects. 



10. Vividness and detailed accuracy of representative imagination 

 (i.e., power of recalling past sense-impressions in corresponding imagery). 



11. Freedom and range of play of 'fancy' {i.e., in popular speech — 

 imaginativeness). 



12. Purposive constructive imagination {i.e., 'inventiveness,' or the 

 power of bringing things together in imagination in relations in which 

 they have not previously been experienced, under the guidance of the 

 idea of some end to be achieved). 



