NO. 1200. IJFE HISTORIES OF A3IERICAX MOTIIS—nYAIi. 267 



slender, club-shaped, protuded planta bearing- few crochets; colorless, 

 transparent, glassy. Tubercles small, conic, concolorous; shields ob- 

 scure, not colored. Hairs of various lengths, spinulose, arctiiform, 

 the strong ones dark brown, the weak ones colorless. Hairs of joint 2 

 small. On thorax, warts ia and ib in line anterio-po.steriorly, iib 

 weak; hairs all single, no subprimaries. On abdomen i absent on 

 joints 5 to 9, a trace on joint 10, a small seta on joints 11 and 12; ii 

 and iii distinct, iv behind the spiracle, \' sul)veiitral; ii and iii of 

 joints 12 and. 13 are very long, six times the width of the hod}' or 

 more. Head setie rather short, pale, spinulose. Ocelli six, in a rec- 

 tangle. 



SUuja II. — Head rounded, bilobed, mouth scjuarely produced; trans- 

 lucent, whitish; lal)rum, spot below vertex of each lobe, back part of 

 the side, and a spot covering- the eyes black; width, o.l nmi. Body 

 squarish, u little flattened, whitish, translucent, all the dorsum appear- 

 ing grayish from the food. Legs slender, normal. Warts rather 

 large, pale; i a single hair curved forward, ii single, curved back- 

 ward: iii with two hairs, iv and v single, \'\ with two hairs; leg 

 shield with shoi't hairs. On thorax ia, il), and iia gathered together 

 a little, but not on a true wart; iii, iv, and v likewise approximate. 

 The thoracic hairs arc almost exactly as in stage i, except for the 

 addition of seta^ iii and v. Hairs dusky, the ones at the ends long. 

 Anal i)latc and cervical shield reddish; also paired spots of this color 

 on joint 5 over tubercle ii and on joint 9 over i. 



St(tge III — Head rounded, full above, scarcely bilobed, not higher 

 than joint 2; translucent, whitish, shining, a black patch on vertex 

 of each lobe, one on face of lobe above, over ocelli, and on jaws; a 

 dark shade in vertical suture; width, 0.55 mm. Body rather flattened; 

 feet large, spreading; translucent, whitish; a faint, broken, white 

 dorsal, sul)dorsal, and sul)ventral stripe and a row of subdorsal brown- 

 gray spots on tubercle iii, with a large reddish one on joint 5, very 

 faintly also on joint 11; the subdorsal spot of joint 12 large. Warts 

 concolorous, hairs pale, tine; seta? i azid ii single, short, black, spinu- 

 lose; iii w^ith two hairs, one of them long; iv and v single, pale; vi 

 with two hairs, pale. Hairs all as before on the thorax. The dorsal 

 white stripe is composed of a series of squarish patches on the seg- 

 ments posteriorly; the others are narrower, broken lines. Joint 12 

 slightlv eidarged. Cervical shield, anal plate, and a series of ventral 

 patches ol)scurely gray-brown. Later the dorsum is greenish, the 

 patch on joint 9 large, single, dorsal, the whole larva closel}^ resem- 

 bling bark. Length at end of stage, 5.5 nun. 



Stage /K— Head rounded, slightly ])ilob(Kl, the clypeus two-thirds 

 its height; labrum quadrate, large; ocelli distinctl}^ projecting: trans- 

 lucent whitish: a large black patch on the face of each lobe, ii regu- 

 larly shaped, running back to the occiput; a rounded patch over eyes; 



