860 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



DARGIDA PROCINCTA Grote. 



Twenty-five specimens, May 31, June 13, 21, 23, 25, 27, July 14, 

 August (>, 7, 13, September 8 (Glacier). 



£"(/(/. — Two-thirds spherical, the base flat; ribs about -lO, diminishing 

 irregularly at vertex, coarsel}' projected at apex, covered by reticula- 

 tions, the longitudinal lines in the hollows and on the apices of the ribs 

 forming rounded hexagonal cells which indent the sides of the ribs. 

 An irregular!}^ sculptured area about the raised micropyle, which has 

 a circle of pyriform cells. Pale yellow; diameter, 0.6 mm. 



/Stage I. — Head l)ilobed, cl3'peus high, brown-black, shining. Body 

 stout, joint 12 slightly enlarged, feet of joints 7 and 8 short; cervical 

 shield large, brownish. All sordid gray, whitish, with skin finel}" dark 

 granular; alimentary canal reddish. Tul^ercles rather large, smoky; 

 setse black with swollen tips, normal, ia to iil) of thorax separate, no 

 subprimaries, iv above the center of the spiracle on the posterior seg- 

 ments; four stout sharp seta^ at anus, two above and two below. 



/Stage 11. — Head rounded, bilobed, shining sordid luteous, thickly 

 dotted reticulate with blackish, except on median suture and line on 

 each lobe; width, 0.55 nun. Body moderate, tapered behind, joint 12 

 not enlarged; feet practically equal, the thoracic ones small. Blackish 

 olivaceous green; dorsal, subdorsal, and lateral narrow pale lines, 

 substigmatal line broader and white. Feet sordid, shields concolorous; 

 tubercles and sette obsolete. With growth, pale green, the lines 

 obscure. 



Stage 111. — Head rounded, green, thickly marked with angular 

 gray spots; width 1 mm. Bod}^ normal, smaller behind, joint 12 

 scarcely enlarged. Velvet}^ dark olivaceous with narrow pale-green 

 lines; dorsal line isolated, subdorsal and three lateral lines closely 

 approximated, the middle one difi^use; substigmatal l)and broader, 

 greenish white. Feet pale; spiracles white; no shield, the lines reach- 

 ing the ends; tubercles and set^ invisible. 



Stage IV. — Head rounded, the apex in joint 2, greenish luteous, 

 thickly brown dotted, lost in a sordid vertical shade; width 1.9 mm. 

 Dorsum olivaceous velvety black; sides lighter, obscurely traversed by 

 four still lighter lines, the upper and lower of these the brightest; a 

 dark area above the stigmatal ])and which is olivaceous, 3"ellow 

 dotted, difi'use below; subventer dark olivaceous, venter lighter; feet 

 dotted. 



Stage Y. — Head heavily reticulated in leaden blackish and over- 

 spread with leaden; width 2.0 mm. Body varies from light to dark. 

 Ground color velvety olivaceous l)lack; subdorsal and lateral bands- 

 lighter, straight, rather broad, light-edged and darker filled; substig- 

 matal band about the same, a shade lighter Subventer pulverulently 

 black above, greenish below. Feet pale, the thoracic ones smoky; 



