244 
LETTERS FROM ALABAMA. 
ridges remaining plainly mark the precise limits 
of every separate load. When a little more in 
length is finished than suffices for a single cell the 
work ceases awhile ; an egg is laid in the bottom 
(though this end is generally uppermost) and 
spiders are brought in. This kind usually (not 
PELOP^US AND NEST. 
always) selects a very beautiful species of Tetra-- 
gnatha^ bright green with white spots ; and it is 
worth remarking that spiders are carried both with 
the jaws and feet ; one of the fore-legs of the spider 
being grasped in the mouth, while its body is held 
under the body of the fly, and sustained by the 
