302 Trans. Acad. Sci. of St. Louis. 
of a special social class and the types of a mixed school pop- 
ulation. Every investigation of the present kind should, 
therefore, include information concerning the social condition 
of the children. The tax-returns are available for this pur- 
pose, and the occupation of parents is also of use. It was 
not possible to inquire into tax-returns in the present re- 
search, but some facts can be communicated regarding the 
physical differences between the children of professional and 
business men and those of manual tradesmen. The occupa- 
tions included under these heads may be seen in the following 
statement of the occupations of the fathers of 2,000 St. Louis 
children. The names of occupations are set down as given 
by the pupils. 
PROFESSIONS. 
UPC ee beeece sc cleeesitce = S MEINIBGEr si cs cee ceases ews 6 
Chemist escooe 1 Medical Student.......ceeseee- 1 
Civil Engineer.,................ 3 Musician... Pe Tae 
WOMB seek Ce hee wecee. & PiiOtographer.......ccccosses-- §& 
MON Corde Civ cwluceuks occéas 6 WSICIAN, . 066s -eccce ves wow ee 13 
ectrical Engineer. eee eere hes é Se PRR? oo babes os awe cabwe gues 9 
MMCUIGIAN 6c 6 ccces Acicksciseee 3 - Veterinarian... ....+ 02000 sere eee | 
sawyer 3 ec 14 —_———_ 
Total eEAUEE: SRN CCV. Didebed vadedh Sus vasecusess 76 
MERCANTILE CLASS. 
BOM eel exe Sebp OuLey eee’ 36 Dealer in Furniture.... .....--> 6 
Maiko es eh. Cote UES beste Feo as AWARE sis 6% eet me | 
Book-keeper Adee NOE UE Oe er ee ieee 
SIPORO? eee ec ickscevin’ ree eee | 9 Horses eee 1 
Cashier..... a teawae hele veauce = & Peo ee o 
es Wesel 0 Be suees.c 8 TMDL <6 ccice cso ccse 4 
SOON ik ehicek Sick bck ce MERA oc es ss eee 
RARNNOUOE 56 oc ice vcdsiceveccccc POR ca visesvec cee 
Dairyman - Pitta ce 8 
gs 10 Stationery........-.6. 1 
Dealer Yo Batter... .¢cdisiva 4 NO eiu cs inwe bes pond 
fo ae Re ANECCO. ac sies chksee 5 
Cattle coer 4 @li-paper.......6.+. 1 
WIONESi ise i esc ices. 28 
Nothes «s 1. Grocer ; (ic te 
COPS. ks eescestceces’ 9 -Hotel-keeper,...c.c.cscceceqeee. 6 
teeceseesee ceesee 4 Inspector, Building.......-.--- 2 
Feed and Flour....... 2 ee ike 7 
Fish and Oysters...... 3 Not specified........ 1 
Fruits We GUNN ses. a eise seven 7 
