S . I ,\Kk I u IN IT-FIVE M.W SI'HIXGIDAE lYoLYUl' 



wing beneath: The postmedian markings arc lacking, except the 

 marginal distal band, and this approaches more nearly the color of the reel 

 of tlic wing than in the typical form. Hind wing beneath: All markings 

 arc much lighter in oolor than in guboedlata, and fainter. 



Smerinthus planus alticola subsp. nov. 



Al. ant. long., o\ 23 mm.; 9, 26 mm. AJ. ant. lat., d\ 9.5 mm.; 

 9, 10..") mm. Mar^. ext., <?, 12 mm.; 9, 13.5 mm. 



Hah, tut. Mount Pao-Hwa, near Lungtan, China. One male and one 

 female in coll. B. Preston Clark, received from Dr. O. Staudinger and 

 \ Bang-Haas. 



Tl lis is a dwarf form, with pronounced characteristics. 



Fore wing above, cinnamon-drab, the darker markings being wood- 

 brown ; the ground tone is lighter than in S. p. planus, and the markings are 

 IfiBB distinct, giving a more unicolorous appearance. Hind wing above, 

 cinnamon-drab, shading to wood-brown on distal margin; pink area more 

 restricted than in the typical form, and less vivid in color. 



Fore wing beneath, colored similarly to the upper side; pink basal area 

 linhter in tone and more restricted in area than in planus. Hind wing be- 

 neath, markings faint, and ground tone lighter than in planus. 



Isognathus rimosa wolcotti subsp. nov. 



Al. ant. long., cf, 38 mm. Al. ant. lat., d\ 14 mm. Marg. ext., cf, 

 21 mm. 



Habitat. — Rio Piedras, Porto Rico, West Indies. Two males in coll. B. 

 I d <"lark. received from Mr. George N. Wolcott, and named after 



him. 



This form is one of unusual interest. It is distinct from the 

 Cul \tii form, /. rimosa rimosa, from the Haitian form, /. rimosa 

 molitor, from the Jamaican form, /. rimosa jamaicensis, and 

 from the continental form, I. rimosa papayae, while showing 

 points of n xinblance to each of them. 



