Key to the Species. 
A. Abdomen fawn-colour ; no white band across the 
breast . . . . . . . . . . . . . . L. ferriiginea, p, 170 
B. Abdomen and band across the breast white 
a' . Smaller ; wing, 105 mm. ; upper-surface sandy- 
buff . . . . . . . . . . . . . . L. plumifera, p. 172 
b'. Larger ; wing, 122 mm. ; upper-surface rich 
fawn-colour . . . . . . . . . . . . L. leucogaster, p. 174 
