74 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
and tends to overlie main part of penis. Anterior and posterior elas- 
pers of about equal length, former darkened at its distal end and 
abruptly cut off, except for a small projection, latter semi-claw-like; 
accessory plates prolonged into prominent, linear processes. 
Described from twelve specimens; about sixty specimens examined. 
Range. — New England: Mass.: Amherst, Wellesley, Melrose, 
Cohasset, Auburndale, Rockland, Edgartown, Cambridge; Me.: 
Capens; Vt.: Manchester, St. Albans; Conn.: New Haven. 
United States: N. Y., N. J., Pa., Va., Mont., Minn., Ill, Calif. 
This species is named in honor of Dr. Henry T. Fernald. 
The variation in size within the species is considerable, but the 
characters of the chaetotaxy are always distinct. As in the preceding 
species the anterior extension of the penis is apt to be more or less 
distorted, but is much smaller than in either of the other two. 
Printed, September, 1914- 
