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Family CINIFLONIDiE. 
All tlie spiders of this small family, at present known, are natives of Europe, Upper 
Canada, Madeira, or South America; they have the falces articulated vertically, and two 
branchial opercula occupy the usual situation on the inferior surface of the abdomen, which is 
terminated by eight spinners; those constituting the inferior pair are the shortest, and consist 
of a single joint each; they are united throughout their entire length, and their figure is 
somewhat conical, but compressed and truncated, so that the base and apex are elliptical, 
with long transverse axes. The tarsi are triungulate, and the metatarsus of each posterior 
leg is provided with a calamistrum or curling apparatus, composed of two parallel rows of 
short, close-set, moveable spines, employed by these spiders in the construction of their 
snares. 
Crevices in rocks, walls, and the bark of trees, the inside of buildings, and the foliage of 
shrubs and plants, are the situations usually selected by the Ciniflonida for their retreats, and 
contiguous to them they fabricate their highly complicated and curious toils, comprising 
numerous tortuous filaments curled by an elaborate process, in which the calamistra perform 
an important part. 
Genus CINIFLO ( Blackmail ). 
Eyes disposed in two transverse rows on the anterior part of the cephalo-thorax; the 
intermediate ones of both rows are sessile, and describe a trapezoid whose anterior side is the 
shortest, and each lateral pair is seated obliquely on a tubercle. 
Maxilla long, enlarged, and rounded at the extremity, and somewhat inclined towards 
the lip. 
Lip rather longer than broad, dilated about the middle, and truncated at the extremity. 
Leys robust; the first pair is the longest, then the fourth, and the third pair is the 
shortest. 
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