FIGURE 2 in Roger Ward Crosskey-The Life and Contributions of an Entomologist par Excellence (1930 - 2017)

FIGURE 2. CONTROl ScheMe fOR Simulium damnosum cOMPleX IN NORTheRN NIGeRIa. A.–E. AbUJa. A. PeGGY CROSSKeY OVeRSeeING The WeIGhING Of DDT aNd OPeNING Of OIl dRUM, 26 APRIl 1957. B. WeIGhed DDT beING TaKeN TO fIRe fOR MelTING, aNd OIl beING MeaSURed OUT, 5 MaRch 1957. C. WeIGhING DDT, 12 MaRch 1957. D. POURING MelTed DDT INTO dIeSel OIl caRRIeR, 5 MaRch 1957. E. ROGeR CROSSKeY OVeRSeeING The dOSING Of USUMaN RIVeR WITh DDT eMUlSION, 30 JUNe 1958. F. PeGGY CROSSKeY TaKING SKIN SNIPS dURING ONchOceRcIaSIS SURVeY IN IZOM, aNd F. N. MacNaMaRa aT MIcROScOPe, 27 JUNe 1957.