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black. Width probably i mm. Body yellowish green, the leaves 

 it has eaten showing as a darker shade; marked as before, but more 

 distinctly. Caudal horn very pale yellow, blackish at the tip. red- 

 dish at the base and 3.5 mm. long. Larva 12 mm. Later the horn 

 is reddish with small black spines; a very faint purplish shade on 

 joint 4 concealed by the fold. Feet reddish. 



Third Larval Stage. — Head yellowish green, the jaws and 

 bases of the palpi paler. The lower joint of the palpus is red, the 

 eyes black. A faint paler band continues the subdorsal line of the 

 body. Width of head 1.8 mm. Body whitish green, with many 

 round, small, whitish spots separated in the subdorsal space by in- 

 terrupted, wavy, black lines. A whitish subdorsal line, edged above 

 with black, converges at both ends, ending at the horn and being 

 faint on joint 2. On the anterior part of joint 4 is a black spot with 

 a white line in the center, surrounded by a whitish ditiuse circle and 

 supplemented by two dark red spots one at each side. Horn yellow, 

 reddish at the base with small black spines. Spiracles yellow, with 

 a red spot centrally. Thoracic feet reddish orange; abdominal 

 tinged with the same color. Length of horn 4.5 mm.; of larva 

 20 mm. 



F'ouRTH Larval Stage. — Head flattened in front and at the 

 sides, partly withdrawn under the skin of joint 2. Color pale green, 

 minutely roughened. A broad, pale whitish band before the eyes, 

 continues the subdorsal line of the body. Eyes black, mouth pale, 

 the tips of the jaws black; palpi reddish. A kw minute hairs over 

 the surface. Width 3 mm. Body whitish green, with many yel- 

 lowish round spots separated by longitudinal, wavy, interrupted 

 black lines, which are fainter on the sides and absent on the venter. 

 A pale yellow subdorsal band, narrowly edged above with black, 

 except 'on joint 2, ends at the horn. There is a trace of a dorsal 

 line on joint 3. Caudal horn pale yellow, reddish at the base, mi- 

 nutely spinose, the spines brown. Length 6 mm. Cervical shield 

 and anal plates pale green, with small, white, elevated spots. In 

 the fold on the anterior parj: of joint 3 is a white and a purplish 

 shade, and the mark partly concealed in the fold on anterior part of 

 joint 4 consists of a round black spot with a central line surrounded 

 by a broad yellowish white ring and beyond this a reddish pink 

 shade to the subdorsal line, which is here, and at the mark on joint 

 3, nearly white and crossed faintly by the purplish shade. Spira- 

 cles white, crossed by a central black band. Thoracic feet pinkish, 

 thrice annulate with black. The abdominal feet, of which the three 

 anterior pair are less well developed than the rest, are pale reddish 



