153 A. EF. Verrill—The Bermuda Islands. 341 
Dr. Fr. Dahl (Plankton Exped., i, pt. 1, p. 108) recorded this 
species from Bermuda. 
Mason- Wasp. (Sceliphron fasciatum St. Farg., Hym., ii, p. 315, 
as Pelopeus). Figure 108, a, 6. 
Our specimens referred to this species are larger than the last, 
with a relatively long abdominal pedicel. Length, 27™™; length 
of pedicel, 6.5"; of thick part of abdomen, 9.5". Head and body 
all black, except a transversely elliptical spot of dull greenish yellow 
on the prothorax anteriorly, less distinct spots of the same on the 
middle and on posterior end of the thorax, and a round lateral spot 
Figures 108, a, b.—Yellow-footed Mud-wasp (Sceliphron fasciatum); profile and 
dorsal views; x11lg. Phot. by A. H. V. 
of dull yellowish on the first enlarged abdominal segment; legs long, 
black proximally ; tibize and tarsi light yellow, except for a wide 
ring of black on the distal part of the posterior tibizw, and a black- 
ish tint on the two distal tarsal joints; antenne black, except the 
yellow basal joint. Wings dark brown. The thorax and head are 
covered with black hairs. A West Indian species identified by Mr. 
W. H. Ashmead. 
Specimens referred to Chalybion coeruleum (L.) (fig. 108a) have 
the body shining blue-black when wet, but with bright metallic or 
steel-blue and greenish reflections when dry; legs and antenne 
black. Wings smoky black. The abdomen is shorter than in the 
preceding. A common North American species. Summer, T. G. 
Gosling. 
These and perhaps other species, not yet determined, are common 
in summer, building their nests in out-buildings and under piazza 
roofs. 
Trans. Conn. AcAD., Vou. XI. 48 Drc., 1902. 
