Page. 

 Varieties of sugar-cane — continued. 



B-7245 128 



Cavengerie 124 



Ci-ystallina 124 



D-109 137 



D-117 136 



D-625 137 



Otaheite 122 



Rayada 123 



Seeley Seedling 132 



Page. 



Varieties of sugar-cane — continued. 



Yellow Caledonia 125 



Vermicularia graminicola 220 



Verticicladiiim graminicolum 226 



Yiyna unffuicvlata. Diseases of__ 100 



Vinsonia stellifera 6 



Vivia7ia sp. — 



See Biomyia lachnosternae. 



Tolutina sp. 227 



w 



Wasp parasite of White-grubs 55 



See Campsomeris ; Elis; Tiphia. 

 Watermelon — 



See Citndlus vulgaris. 

 White-Grub — 



'citrus, the 159 



common, the 145 



south coast, the 152 



White-Grubs Injuring Sugar Cane 

 in Porto Rico. I. Life-Cy- 

 cles of the May-Beetles or 



Melolonthids (paper) 47-92, 141 



White-grubs — 



finimal find bird enemies of in 



Porto Kico 53—54 



control problem in Porto Rico 47—49 



efficiency of parasites of in Porto 



Rico 56 



injurious in other regions 49-51 



insect enemies of in Porto Rico__ 54—56 

 introduction of fungus enemies of, 



into Porto Rico 60 



introduction of parasites of, into 



Porto Rico 57-58 



White-grubs — continued. 



life-cycles of 52-53 



life-history work on, done else- 



wliere 51—52 



list of local parasites of 57 



methods of rearing 60-65 



oviposition, and handling of eggs, 



of adiilts of 63-64 



parasites of, indigenous 54—36 



pupation and emergence of adults 



of . 64-65 



Tachinid fly parasite control of, 



in Porto Rico 56-57 



White rust of sweet potato 111 



Wilt — 



of eggplant 103 



of tomatoes 115 



Wind, causing injury to cane 233 



Wireworms^ 



See Monocrepidivs sp. 



Pyropliorxts luminosvs. 

 Withertip. 



See Gloeosporiitm manihot 



Xanthoaoma sp. Diseases of- 



116 I Xylaria apicnlata. 



215 



Yautia — 



See Colnrasia .«p. 



Yellow stripe. 



228 



Zea Mays 



Xehix longipes predaceous on Cory- 

 thaica monacha 



100 



173 



Zeliis rtthidus predacious on Cory- 

 thnirn mnnafha 



173 



264 



