212 JOHN B. SMITH. 



"One example was taken by Rev. George D. Hulst, in Florida, in 

 summer of 1878. 



" In Museum Strecker. 



"This Sphinx, of which I append a figure in order to exhibit the 

 great breadth of priniaries, is without doubt the most remarkable 

 species yet discovered in this country. 



" Though evidently allied to the conlferanun group its peculiar 

 bombycid appearance distinguishes it at once froni all species yet 

 known. Doubtless, like its nearest allies, it will be found to exist 

 in the larva state on some species of pine." 



Mr. Strecker's figure, if at all accurate, certainly does show a 

 remarkable looking form. The prinuiries have the apex rounded, 

 hind margin decidedly shorter tlum the outer margin. No structural 

 details are given, but its location at the extreme end of the present 

 sei'ies is probably correct. 



SMERINTHIN^. 



Head retracted, comparatively small ; palpi usually short, in 

 Cressouia only, exaggerated and divaricate at tip. Antennte fusiform, 

 not recurved, and only very little curved at tip. In the male ciliated 

 or pectinated, in the female simple. Tongue rudimentary in all the 

 species.' Thorax usually short, plunii), convex ; sometimes with an 

 indistinct central ridge. Abdomen always untufted, cylindric, rarely 

 conic, usually rather obtusely terminated. Legs subequal, short and 

 weak, usually with only a single pair of small spurs at the ends of 

 the median and posterior tibiie. Vestiture wooUey, fine and dense; 

 supra-anal plate in the male genitalia flat and prolonged into a flat- 

 tened, obtusely rounded hook. Primaries always more or less angu 

 lated or dentate, less so in Creasojiia; inner margin always sinuate, 

 the hind angle always more or less pi'oduced. Frenelum in the male 

 very much reduced in size, barely discernible. Primaries without a 

 loop for its reception ; in the female it is reduced to a mere brush of 

 short stiff hairs. Primaries with eleven or twelve veins ; the same 

 species sometimes variable in this respect. Internal vein furcate at 

 base, running to the anal angle ; median vein giving ofi" 2 at about 

 its middle ; o about midway between 2 and the end of the cell, where 

 -1 continues the median vein ; cross-vein more or less angulated ; 5 

 from the cross-vein, nearer to 4 than to (i ; (i and 8 from the subcostal, 

 the latter to tlie apex, giving off 7 at about one-cpiarter from its in- 



