MonTGoMERY. — Gordiacea. 
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PLATE 4. 
Figs. 20-31, Gordius lineatus Leidy. 
Female, antero-ventral view of head end (A, 2). 
Male (type), head end (A, 2). 
Female (type), lateral view of posterior end (A, 2). 
Female, posterior end, the cloacal epithelium apparently extruded (A, 2). 
Male (type), lateral view of the posterior end (A, 4). 
Idem, ventral view (A, 2). 
Male, oblique lateral view of posterior end (A, 2). 
Male, ventral view of posterior end (A, 2). 
Female (type), termino-ventral view of posterior end, showing the colored 
ring around the cloacal aperture (A, 2). 
. Male (type), transverse section of the cuticle (immers. +5, 2). 
Idem, surface view (C, 4). 
Male, surface view of cuticle (C, 4). 
Female, transverse section of cuticle (immers. 75, 2). 
Figs. 32, 38, G. densareolatus, n. sp. 
Female, surface view of cuticle (C, 4). 
Transverse section of the cuticle of the same specimen (immers. 75, 2). 
