466 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



transverse posterior line. Claviform a small black loop at the angle of 

 the transverse anterior line. Orbicular very small;, blackish ringed, 

 white centered, round. Eeniform a large black blotch without definite 

 outline. Secondaries white; veins, a punctiform median line, a sub- 

 marginal indeflned band and a narrow terminal line blackish. Beneath 

 white; primaries with a black discal blotch fading out gradually in 

 all directions, and a blackish venular line. Secondaries with a frag- 

 mentary dusky submarginal line. 



Expanse, 32 mm. = 1.28 inches. 



Habitat. — Biscayne Bay, Florida (Mrs. Slosson). 



A single male specimen, in good condition. The species is obviously 

 related to chartaria, and has the same general type of maculation; but 

 it is much paler, smaller in size, aud has white instead of smoky sec- 

 ondaries. There are a number of other miuor differences in the macu- 

 lation, which put the distinctness of this species beyond reasonable 

 question. The genitalia have not been examined. 



Ty2}e.—Cat. No. 4837, U.S.I^.M. 



63. MAMESTRA ROSEOSUFFUSA, new species. 



Ground color dull whitish, mottled with smoky gray, which in turn 

 is washed with a rosy or pink tinge or shading. Head and collar 

 creamy, palpi brown at the sides. Thorax with a pink tinge over the 

 creamy ground. Abdomen smoky luteous. Primaries with the dark, 

 smoky overlay predominating to the outer portion of median space, 

 then evenly defined against the whitish ground that prevails to 

 the subterminal line, broken only by three dusky clouds in the sub- 

 terminal space. Terminal space dusky, except at apex. Basal line 

 geminate, outcurved in the interspaces, included si)ace broad, whitish. 

 Transverse anterior line geminate, outwardly oblique, irregularly out- 

 curved in the interspaces, hardly defined, included space broad, whitish 

 mottled. Transverse posterior line narrow, brown, crenulate, single, 

 best marked on the veins. Subterminal line whitish marked by the 

 dusky terminal space, and by three dusky preceding clouds. A series 

 of terminal smoky dots on the veins, fringes with a series of triangular 

 pale spots at base, from which pale lines extend to the tip. Orbicular 

 small, round, very obscure, with a whitish annulus. Reniform not 

 defined, forming a little darker shading. Olaviform vaguely marked. 

 A smoky median shade lies just within the dark area of the wing and 

 practically bounds it. Secondaries yellowish, smoky. Beneath very 

 pale, with a yellowish tinge. Primaries with a partial outer line and 

 a smoky subterminal line. Secondaries whitish, creamy and powdery 

 along the costa, with a small discal spot and half a row of extra median 

 spots. 



Expanse, 28 mm. = 1.12 inches. 



Habitat. — Arizon a. 



A single good male, which has been in my collection for some years. 



