id them to distribute their net
earnings among their patrons. Corporations Commission _v._ Lowe, 281
U.S. 431 (1930).

_Fish processing:_ stricter regulation of reduction of fish to flour or
meal than of canning. Bayside Fish Flour Co. _v._ Gentry, 297 U.S. 422
(1936).

_Food:_ bread sold in loaves must be of prescribed standard sizes,
Schmidinger _v._ Chicago, 226 U.S. 578 (1913); food preservatives
containing boric acid may not be sold, Price _v._ Illinois, 238 U.S. 446
(1915); lard not sold in bulk must be put up in containers holding one,
three or five pounds or some whole multiple thereof, Armour & Co. _v._
North Dakota, 240 U.S. 510 (1916); milk industry may be placed in a
special class for regulation, New York ex rel. Lieberman _v._ Van De
Carr, 199 U.S. 552 (1905); vendors producing milk outside city may be
classified separately, Adams _v._ Milwaukee, 228 U.S. 572 (1913);
producing and nonproducing vendors may be distinguished in milk
regulations, St. John _v._ New York, 201 U.S. 633 (1906); different
minimum and maximum milk prices may be fixed for distributors and
storekeepers; Nebbia _v._ New York, 291 U.S. 502 (1934); price
differential may be granted for sellers of milk not having a well
advertised trade name, Borden's Farm Products Co. _v._ Ten Eyck, 297
U.S. 251 (1936); oleomargarine colored to resemble butter may be
prohibited, Capital City Dairy Co. _v._ Ohio ex rel. Attorney General,
183 U.S. 238 (1902); table syrups may be required to be so labelled and
disclose identity and proportion of ingredients, Corn Products Ref. Co.
_v._ Eddy, 249 U.S. 427 (1919).

_Geographical discriminations:_ legislation limited in application to a
particular geographical or political subdivision of a State, Ft. Smith
Light & Traction Co. _v._ Board of Improvement, 274 U.S. 387, 391
(1927); ordinance prohibiting a particular business in certain sections
of a municipality, Hadacheck _v._ Sebastian, 239 U.S. 394 (1915);
statute authorizing a municipal commission to limit the height of
buildings in commercial districts to 125 feet and in other districts to
80 to 100 feet, Welch _v._ Swasey, 214 U.S. 91 (1909); ordinance
prescribing limits in city outside of which no woman of lewd character
shall dwell, L'Hote _v._ New Orleans, 177 U.S. 587, 595 (1900).

_Hotels:_ requirement that keepers of hotels having over fifty guests
employ night watchmen. Miller _v._ Strahl, 239 U.S. 426 (1915).

_Insurance companies:_ regulation