INDEX. 15 



Rullo- 



tin No. Page. 

 Martin, Caribbean, occurrence in Porto Rico, variant names, habits 



and food 326 88-89 



Maryland, cereal experiments (and in Virginia), bulletin by 



T. R. Stanton 336 1-52 



May beetle, bird enemies in Porto Rico 326 11 



McNaughton, G. C, and J. H. Thickens, bulletin on "Ground- 

 wood pulp. Part I — The grinding of cooked and uncooked spruce. 

 Part II — Substitutes for spruce in the manufacture of ground- 

 wood pulp" - 343 1-151 



Melanerpes portoricensis, occurrence in Porto Rico, habits and food. 326 62-64 



Mermis, genus, parasitic on Buffalo gnat larvae, note 329 27 



Metamasius hemipterus, bird enemies in Porto Rico 326 10-11 



Metamorphic rocks, nature and value for road building 348 19-24 



Mica, black and white, occurrence in rock, effect on road-building 



qualities 348 7-8 



Michigan — 



cherries, growing and packing industries 350 3 



Lenawee County, cows and horses, depreciation, and manure 



value per unit, investigations 341 95-98 



Microcline, occurrence, nature and value for road building 348 7 



Microlyssa exilis exilis, occurrence in Porto Rico, and food 326 70 



Micropalama himantopus, occurrence in Porto Rico, habits and food 326 44 

 Milk- 

 bacteria — 



destruction by electricity, note 342 2 



destruction by ultra-violet rays, note 342 2-3 



groups surviving pasteurization, experiments and discus- 

 sion 342 9-13 



bottling hot, system 342 5 



city supplies, extent of pasteurization 342 3-4 



cooling, forced-air circulation, value of process 342 5 



creamery, labor income, comparison with market milk, Chester 



County, Pa 341 47 



keeping quality, value of pasteurization 342 2 



pasteurization — 



methods, descriptions, advantages, and objections 342 4-5 



necessity, discussion 342 15-16 



present status, bulletin by S. Henry Ayers 342 1-16 



temperature and methods, recommendations 342 6-7 



value and importance 342 1-2 



pasteurized — 



handling and cost 342 8-9 



objections and advantages, discussion 342 13-16 



Miller, R. C, bulletin on "Milling and baking tests of wheat 



containing admixtures of rye, corn cockle, kinghead, and vetch" 328 1-24 

 Milling, tests of wheat containing admixtures of rye, com cockle, 



kinghead, and vetch, bulletin by R. C. Miller 328 1-24 



Mills, rice, number and location 330 7 



Mimocichla ardociacea portoricensis, occurrence in Porto Rico, habits 



and food 326 92-93 



Mimus polyglottos orpheus, occurrence in Porto Rico, habits and food 326 90-92 

 Mississippi, tenant systems of farming in the Yazoo-Mississippi 



Delta, a study, bulletin by E. A. Boeger and E. A. Goldenweiser 337 1-18 



Mit Afifi cotton, notes 332 3, 4-5 



Mniotilta varia, occurrence in Porto Rico, habits and food 326 108 



Mockingbird, Jamaican, occurrence in Porto Rico, variant names, 



habits and food 326 90-92 



Molds, damage to cherries and prunes, note 331 5 



Mole cricket, bird enemies in Porto Rico 326 9-10 



Molothrus atronitens, occurrence in Porto Rico, note 326 120 



Moreca americana, occurrence in Porto Rico 326 30 



"Mountain balsam." See Alpine fir. 

 Mowers — 



cost per acre and per day 338 ' 17-18 



service period, relation to work done 338 17-18 



