Page. 

 Red stripe of the leaf 205 



Rhinocricus arborexts. 



Description of 175 



distribution 175 



feeding habits 175 



parasitized by nematodes 176 



Rind disease — 



S;h^ Melanconium .lacchari. 

 Rind disease, Historj- and cause, of 



(paper) 17—45 



Ring spot of the leaf — 



See Leptosphaeria sacchari. 

 Root disease — 



See Marasmivs sacclniri. Uhnantia 

 stellifera. 



Page. 



Root-knot — 



See Heterodera radicicola. 



Root rot of beans 98- 



Roselle — 



See llihisi-i'.s xahdariffa. 

 Ro.seUinia — 



Paraguay ensis 214 



pulveracea 214 



Rust of — 



beans 1»S 



cassava 99 



corn 100 



peanuf IDS' 



s 



Sabal causiarum, host of Monilia 



sitophila 222 



Sacchariim officinarum — 



control of diseases of 336 



fungi and diseases of 177 



melolonthids 47, 141 



parts of the plant 119 



rind disease 21, 194 



varieties 119 



Saissetia — 



hemisphaerica 1, 7 



nigra 8, XI 



olear 8 



Santo Domingo, cane fungi of 235 



Sarcophaga helicis, fly reared from 

 Phyllophaga in United 



States 59 



Sarcophagidae — • 



See Sarcophaga helicis. 

 Scale feeding habits of a Porto Ri- 

 Scale insects — 



can milipede (paper) 175 



parasite of 1, 2, 11 



of Porto Rico 1-16 



Scale parasite of 8,9 



tScarahaeidae — 

 See White-grubs. 



SchizophyUum commvne 218 



Sclerotixim — 



Rolfsii 103, 109, 201 



sp 227 



Scolia atrata, parasite of white-grvibs 



in Porto Rico 55 



Scoliid wa-sps — 



list of species indigenous to 



Porto Rico 55 



parasites of Phyllophaga in the 



United States 58 



See Campsomeris; Tiphia; Elis. 



iScytinotitit distantifolius 219 



Sechium edule. Diseases of 99 



Selanospidtts articvlatiis 12 



Septonema sacchari 225- 



Septoria lycopersici 113 



Sereh 182, 232- 



Serica asf>amensis, attacking sugar- 

 cane in India 50- 



Sesame — 



See SesamiiDi orienfale. 



Sesamum orientale. Disease of 111 



Siguana — 



See Amelia rxtd. 

 Skunks, control of white-grubs by, 



in United States t» 



Smut — 



See Ustilago zeae. 

 Smyth. Eugene G. (Paper.) The 

 White-Grubs Injuring Sugar 

 Cane in Porto Rico. I. Life- 

 Cycles of the May-Beetles or 



Melolonthids 47-92, 141 



Solavuyn — 



melungena 102, 170 



tuberosum 110 



Sparnnpolius fnlvKS, parasite o f 

 Phyllophaga in United 



States S» 



tSpegazzinia ornata 226 



Sphaerella sacchari 214 



Sphaerobolus stellatus 21& 



Sphaerostilbe coccophila 14 



Splits (tomatoes) US 



Squash — 



See Ciieurbita iim/tcliata 



Staphylinid — 



attacking eggs of Phyllophaga 



vandinei 87-88 



larvae feeding on May-beetle 



eggs 87 



Star scale 6- 



Stellate-crystal fungus — 



See Himnnlin stellife.ra 



Stemonitis — 



ivJica 212 



262 



