236 
BRITISH BEES. 
cannot vouch, never having observed the circumstance, 
nor have I seen reason to abandon the idea that the pa¬ 
rasite has no instinct for labour of any kind,—the pre¬ 
sence of the clay being, I expect, merely accidental, for 
it is notorious that these insects have an overruling pre¬ 
dilection for keeping themselves extremely clean. 
ff With three submarginal cells to the wings. 
Genus 2. ANTHOPHORA, Latreille. 
(Plate VI. fig. 3, and Plate VII. fig. 1.) 
Apis d, 2 a, Kirby. 
Gen. Char.: Head transverse, nearly as wide as the 
thorax ; vertex depressed; ocelli placed in a curved line 
upon its posterior margin; antennae short, subclavate, 
basal joint of flagellum globose, its second joint longer 
than the scape, very slender, the rest of the joints 
subequal; face flattish; clypeus protuberant; labrum 
quadrate, convex; mandibles distinctly bidentate and 
obtuse; cibarial apparatus very long; tongue very long, 
transverselv striated, and with a small knob at the ex- 
tremity; paraglossce about one-third the length of the 
tongue, acuminate; labial palpi slender, more than half 
the length of the tongue, membranous, the basal joint 
as long again as the remainder, the second joint very 
slender and very acute; the two terminal joints very 
short and subclavate, inserted before the extremity of 
the second joint; labium short, one-fourtli the length of 
the tongue, its inosculation concave; maxillae hastate, 
not so long as the tongue; maxillary palpi one-third 
the length of the maxillse, six-jointed, the basal joint 
very robust, the rest filiform, the second the longest, 
