March 14, 1919] 



SCIENCE 



257 



tion of A grades varies from 16.6 per cent, 

 to 62.4 ; the proportion of A and B grades 

 pombined, from 48.9 per cent, to 93.6 per 

 cent. ; and the proportion of grades below 



Lewis 



Sheridan 



Devens 



Funs ton 



Taylor 



Sherman 



Dodge 



Kearny 



Meade 



Grant 



Custer 



Cody 

 Travis 



Bowie 

 Pike 

 Jacl<son a 

 Shelby ■ 

 Wheeler ■ 

 Below C + 



student officers training groups noted above 

 are the differences in the intelligence status 

 of officers in different arms of the service as 

 revealed by psj-chological examining. Fig- 



OFFICERS' GRADES 



C+ ca 



CXI 



Aa^B 



FiQ. 10. Inequality of mental strength in 

 eighteen Officers' Training Schools, 4th Series 

 (total enrollment 9,240). 



C +, from to 17.9 per cent. Since it is 

 unusual for a man with an intelligence rat- 

 ing below C + to make a satisfactory record 

 in an officers' training school, it is clear that 

 the pedagogic treatment of these several 

 student groups should differ more or less 

 radically and that elimination must vary 

 through a wide range if the several schools 

 are to graduate equally satisfactory groups 

 of officers. 



Far more important than the contrast in 



Engineer bz 

 Field Art be 

 Tr. Mortar ^ 

 Pers. Adjts. he 

 AmbulanceCoiH: 

 Field Signal mm 

 Ordnance ^ 

 Machine Gun mm 

 Field Hosp. ^ 

 Ammunition'Eii^ 

 Military Pol. ■■ 

 Infantry ■■ 

 Base Hosp. ■■ 

 Q. M. C. M 

 Sanitary De 

 Supply Ca,In 

 Medical 

 Supply Trj 

 Dental 

 Veterinary 



Below C+ i" C+ Bffl AAjdB en 



FlQ. 11. Proportion of high and low grades in 

 various officer groups. 



ure 11 exhibits the data obtained for several 

 groups. The variations are extreme and 

 seemingly unrelated to the requirements of 

 the service. Medical officers, for example,' 

 1 Medical officers appear in the above graph 

 under five headings: ambulance company (90 

 cases), fieldhospital (107 cases), base hospital (428 

 cases), sanitary detachment (50 cases) and "Med- 

 ical" (378 cases). "Medical" in this case, is 

 chiefly regimental detachments. When all five 

 groups are combined medical officers in general 

 take the place in the graph occupied by base 

 hospital. 



