130 



MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



Geixjriiphlcnl distrihutlon. — The genus is distinctively a South and Central American one, i. e. , 

 neoo-anc, a single species having perhaps migrated from Brazil and the regions northward up 

 into the ^Mississippi Valley and along the Atlantic coast as far north as ^Massachusetts, then 

 becoming modified, and assuming its peculiar characters. A second species, C. sepulci'ah's, 

 appears to be peculiai' to the Atlantic States, ranging from ]\Iaine to Georgia, but not yet known 

 to occur we.st of the Alleghanies. 



Si//in/ii/iiu'caJ hiiitory. — The names Ceracampa, Ceratocampa, and Dorycampa were bestowed 

 on this gcMuis in ignorance of Hiibner's work, which at tlic time those names were proposed was 



Fig. 17.— Distribution of the geuus Citberonia. 



an obscure liook. Tiie lecent combination of Eacles and Citheronia l>y Kirb}' was scarcely a step 

 in advance. 



CI'X'HEIiONIA RECtA-LIS (Fabricius). 



(PI. .XXXV, figs. 1, la.) 



Bmiihi/.i-ret/'dix Fabhicuis, Ent. Sy.*t. Ill (1), p. 436, No. m, $. 1793. 



AttacHs hwciiim Cuamkk, Pap. cxot. II, tab. 117, B. ('.— V. pp. 170-180, rar. Stoll, Siippl. Cram. tab. 42, fig. 



2, S- 1"90. 

 Phalxnaregm Adhot and Smith, Lep. Ins. Georgia, II, tal). 61, 9- 1797. 

 Citheronia regal in Hurner, V'erz. Stinnett., p. 153. 1818-1822. 

 Ceracampa Kirhy and Spence, Intr. Ent. II, p. 235; III, p. 179. 1828. 



