152 BULLETIN 93^ UNITED STATES NATIONAL MUSEUM. 



Fig. 43. — Balands ealanus (Linn;eus). a, labrum. l, 16th to ISth segments op 

 ciRKUs VI, England, c, part of the 16th segment op cirrus iv. d, labkum. 

 e, distal part of a segment op the anterior ramus of cirrus III. J, intermediate 

 segments of cirrus VI. g, maxilla, h, penis. *, first cirrus. Bar Harbor, 

 Maine, j, 17th and 18th segments of cirrus vi. Tc, mandible. Bay of Fundy. 



