490 



INDEX 



Lactation period, effect on milk, 14 



length of, 3 

 Lactglobulin, 10 



Lactic acid, effect on disease germs, 67 

 Lactometer, 6 



test, 435 

 Lactose, 10 

 Leukocytes, 436 

 Litter, 132 



M 



Malta fever, 59 

 Manure, care of, 130 



carriers, 131 

 Matzoon, 21 

 Medical inspection of employees, 251 



milk commissions, 403 

 Micrococcus caseolyticus, 148 

 luteus, 148 

 melitensis, 59, 162 



Milk, age on arrival at city plant, 253 

 of handled by contractor, 215 

 when delivered to consumers, 224 

 babies', a special, 282 

 basis on which purchased, 231 

 beverages, 24, 337 

 -borne diseases, 30 

 epidemics, characteristics of, 



86 

 control of, 90 



injury done by, 89 

 prevention of, 450 

 bottling of, 316 

 business, beginning of, 1 



tendency toward concentration, 



234 



cars, 207 



cellular content, 7 

 certified, 403 



rules for producing, 408,-423 

 changes in lactation period, 14 

 clarification of, 256 

 clean, essentials for production of, 



171 

 code, 378 



dealers and producers consulted 



in framing, 455 

 enforcement, 423 



proposed by New York Milk Com- 

 mittee, 385 

 by Whitaker, 382 

 should be suited to community, 

 381 



Milk, color of, 6 



composition of, 4 



condensed, 25 



consumption of, in large cities, 481 



in United States, 2 

 contests, 457 

 control by contractor, 378 



by federal government, 376 



important elements in, 427 



by laboratory tests, 434 



measures of success, 459 



by municipality, 378 



and office records, 427 



policies should be defined, 

 425 



principles of, 374 



by State, 377 



survey of producing terri- 

 tory, 426 

 cooling, 155, 313 

 cost of bottling, 318 



of distributing in New England, 



354 



in Worcester and Springfield, 

 Mass, 355 



of hauling, 193 



of production, 184, 



of extra quality c 143, 189 

 decomposition by bateria, 18 

 defined, 3 

 depot of Koplik , 265 



of Straus, 266 

 dirt in, 256 

 dirty, 20, 142 

 effect of lactation period on, 14 



of seasons on, 15 

 electric conductivity of, 7 

 enzymes, 7, 280 

 fat globules in, 7 

 fecal contamination of, 149 

 flow, factors influencing, 11 



variable, 11 

 freezing point of, 7 

 gases in, 11 



grading of, 21, 379, 454 

 hauling of, 193 

 heated test for, 437 

 hod, 151 



holding at low temperature, 338 

 in the home, 434 

 homogenized, 335 

 hours on the delivery wagon, 346 

 houses, 135 



