Index. 177 



Page. 



Yakima sandy loam 140 



Yakima silt loam 141 



Yakima stony loam 139 



Yazoo clay 79 



Yazoo loam 79 



Yazoo sandy loam 78 



PORTO RICAN SOILS. 



Adjuntas clay 164 



Alonso clay 165 



Arecibo loam 163 



Arecibo sand 161 



Arecibo sandy loam 162 



Arecibo silt loam 164 



Coral sand 162 



Pastillo loam 163 



Penuelas adobe 165 



Ponce loam 164 



Ponce sandy loam 162 



Portugues adolie 165 



Portugues stony loam 161 



Eiverwash 161 



Tanaina stony loam 161 



Utuado loam 164 



Utuado sandy loam 162 



Vivi sandy loam 163 



SOILS ARRANGED BY GROUPS AND SERIES. 



Loose, incoherent Sands and Rock outcrop 44 



Dunesand 45 



Sandhill 45 



Piverwash 46 



Madeland 46 



Pock outcrop 46 



Rough, stony land 46 



Inland Swamps and Meadows 47 



Meadow 47 



Swamp 48 



31896—04 12 



