2 
SPHINGID^. 
wliicli the wing is irrorated with black : secondaries black, the costal area and an elongated 
patch at anal angle grey ; fringe whitish. Undersurface dove-colour, the disk sparsely 
speckled with black : primaries with a large cuneiform blackish patch from the base to 
beyond the end of cell, leaving the median vein and a spot at the end of the cell pale ; 
a discal line of black dots in secondaries. Expanse of wings 3 inches -1 lines. 
St. Domingo {Tmeedie). 
AMBULYX, Walker. 
Ambulyx marginata. (Plate XV. fig. 4.) 
Ambiilyx margiuata, Butler, Proc. Zool. Soc. p. 10. u. 21 (1875). 
Body and primaries above whity brown, tinted with pink ; base, two subbasal spots, an 
oblique transverse line, a spot near the middle, three on the costa, a quadrate one on the 
costa near apex, a broad external nebula, and several pale lines olive-brown : secondaries 
rosy ; the costa, base, and abdominal area cream-coloured ; outer margin broadly brown ; 
tAvo central dark grey lines, and a discal row of sagittate spots. Wings below yellower than 
above : primaries varied with ochreous ; the large spot near apex present, the others wanting ; 
transverse streaks better defined ; outer border grey : secondaries pale clay-coloured ; 
markings paler than above. Expanse of wings 4 inches 7 lines. 
Rio Janeiro (Sleuens). 
DILUDIA, Grote. 
Diludia hrevimargo, (Plate XV. fig. 5.) 
Diludia brevimargo, Butler, Proc. Zool. Soc. p. 12. n. 25 (1875). 
Allied to D. florestan, but smaller ; the outer margins of the wings more waved in 
outline; the primaries greyer, the transverse bands greener, the lines which confine them 
blacker and more strongly dentated ; the median black bars less distinct ; the apical spot 
narrower indistinctly sinuated externally : secondaries with the inner transverse black band 
indistinct : the head and thorax greenish grey ; the abdomen less red, marginal strigse less 
strongly defined. Wings below darker, the bands less distinct and more irregular ; the two 
inner bands of secondaries united. Expanse of wings 4 inches 6 lines. 
Brazil [Becker). 
Diludia rufescens. (Plate XV. fig. 6.) 
Diludia rufescens, Builer, Proc. Zool. Soe. p. 12. n. 26 (1875)!. 
Allied to D. Uchenea ; primaries redder ; outer margin shorter, more arched ; central 
band better defined, more dentated externally ; apical patch more elongated ; submarginal 
white streak more deeply sinuated :: secondaries shorter, pale grey, with two ill-defined 
central pale bands : head and collar redder ; abdominal lateral strigse less defined. Wings 
