294 Annals Entomological Society of America _[Vol. VII, 
Hemileuca maia Drury. Color dark brown; face-parts and 
appendages with fine transverse striations, remainder of surface 
shagreened, excepting abdominal segments 8 to 10; face-parts 
without a prominent convexity in clypeal region; antennae 
in male with length four times the width, the sides parallel for 
at least the proximal two-thirds of their length and then 
tapering rapidly to a point, reaching just below the tips of the 
first pair of legs; clypeo-labral suture sometimes indistinct; 
labrum about twice as broad as long; quadrate and broadly 
truncate at distal end; maxillae, measured on meson, one-sixth 
the length of wings, its median length less than its greatest 
breadth; first pair of wings with their anal angles at the cephalic 
margin of fourth abdominal segment; abdominal segments 
1 to 4 and 7 to 8 with distinct furrows between, their margins 
wavy, more apparent on the cephalic margins of the segments; 
abdominal segments 5 to 7 with their cephalic margins produced 
into thick flange-like plates covered with fine longitudinal 
striations and a distinct smooth furrow at the caudal margin 
of the segment, adjoining the transverse conjunctiva; cre- 
master nearly two millimeters in length, indefinitely rugose, 
triangular in outline, pointed at distal end, which bears many 
hooked spines. Length, abdomen retracted, about 1”, girth 
about °114”. 
Hemileuca maia var. lucina Hy. Edwards. Specimens 
of this variety from the New England Entomological Exchange, 
collected in New Hampshire, show little general difference 
from H. maia. They are much smaller, however, varying from 
9-16” to 34” in length. 
Hemileuca burnsi Watson. Color dark brown; face-parts 
and appendages with fine, transverse striations, the remainder 
of the body surface shagreened; face-parts with a prominent 
convexity in the clypeal region; antennae of male with length 
three times the width, tapering from the region of greatest 
width to form a long, pointed tip at distal end, ending opposite 
the tips of the first pair of legs; clypeo-labral suture distinct, 
labrum elevated, somewhat shield-shaped, rounded at distal 
end; maxillae very short, scarcely visible, each half of maxilla 
triangular, much broader than long; prothoracic spiracles 
with strongly elevated margins; mesothorax with a prominent 
tubercule on each side the meson, outlined by a depressed ring; 
