Monograph of the bombycine moths of North America, including their transformations and origin of the larval markings and armature . Citherouia regalis. EXPLANATION OF PLATE XIL Fig. 1.—la, dtlieronin rerjalix, stage III; 1/, front view of liead and thoracir segments with the horns; ;. 2. — Citliironia regalis, stage IV, natnral size: 2((, suranal plate; 2b, anal Bridgham, del. 174 NAT. ACAD. SCIENCES, VOL. Citheronia regalis. Vol. 9—05 12 175 EXPLANATION OF PLATE XIIL Fig. 1. —1(1, Cithcronia regalis, stage IV, natural size; 16, spine of intraspiracular row; Ic, a subdors
Monograph of the bombycine moths of North America, including their transformations and origin of the larval markings and armature . Citherouia regalis. EXPLANATION OF PLATE XIL Fig. 1.—la, dtlieronin rerjalix, stage III; 1/, front view of liead and thoracir segments with the horns; ;. 2. — Citliironia regalis, stage IV, natnral size: 2((, suranal plate; 2b, anal Bridgham, del. 174 NAT. ACAD. SCIENCES, VOL. Citheronia regalis. Vol. 9—05 12 175 EXPLANATION OF PLATE XIIL Fig. 1. —1(1, Cithcronia regalis, stage IV, natural size; 16, spine of intraspiracular row; Ic, a subdorsal spine of anabdominal segnaent; 1»/, dorsal spine of same segment; li% anal leg; 1^, caudal horn. Fig. 2.—2a, Citheronia regalh, stage V and last, natural size (under fed); 2i-2f, spines; 2c, a tlioraeio leg; 2/, sectionthrough third abdominal segment. Fig. :;. — Citheronia r<-(/(dix, slightly larger than natural size; o«, dorsal horn; ob, subdorsal horn. (Not a satisfactory(igure.)J. Bridfiham, del. 176
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherwashingtongovtprin
