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able, especially as the head of the European P-fasciolaria is nearly normal, 

 having no crest on the clypeus. In both species, however, the occiput is 

 moderately long, but not as usual excavated in front; on the contrary, the 

 front edge is remarkably straight, the piece not dilating on the side. The 

 epicranium in P.fimelaxia is raised above the surface of the head ; it is trape- 

 zoidal in outline, two-thirds as wide in front as behind, the anterior edge 

 forming a thin projecting crest overhanging the base of the clypeus. This 

 latter piece is not separated as usual by a well-defined suture from the orbits. 

 The middle area is much raised, oblong, bound by a high, thin crest;' (he 

 lateral crests denticulated. Along the middle of the oblong inclosure runs a 

 high, rounded denticulated crest. There are no ocelli. 



Zerene catenaria. — Resembles closely Fidonia. The front is very broad, 

 and widens more on the occiput than in Fidonia. Occiput forming a wider 

 ridge than in Fidonia; encroached upon in the middle by the epicranium, 

 but widening on the side rapidly. Epicranium small, subtrapezoidal, not 

 reaching the occipital region ; moderately convex, and hinder edge moder- 

 ately rounded. Antenna3 much nearer together than in Fidonia. Clypeus 

 trapezoidal ; sides Harrowing in front. No longer than broad ; surface mod- 

 erately convex; tongue rather long, and of the usual size; occipital region 

 lather wide; clypeus rounded in front. Labrum as usual ; mandibles minute, 

 slender, not overlapping the tongue. Tegument dark mahogany brown- 

 Eyes a little larger proportionally than in Fidonia. 



Eujilcliia ribearia. — Occipital region widening moderately ; occiput very 

 large, about one-third as long as wide; of the same length throughout, on the 

 sides as in the middle. Epicranium small, tubtriangular : inter-antennal space 

 rather narrow; the epicranium divided into two parts by a ridge just oppo- 

 site the hind edge of the antennae. Clypeus square, a little longer than broad. 

 The clypeal region narrows a little anteriorly. Eyes large and globular; 

 tongue long and well developed : mandibles long, slender, partially overlap- 

 ping the tongue ; labruin as usual. 



Pantherodes pardalaria. — This Brazilian species closely resembles 

 Eufitc.hia; the clypeus of Pant her odes is a little longer and flatter, and the epi- 

 cranium is a little fuller, but the relative size of the three pieces are the 

 same. 



Acidalia 4:-lineataX\A. G, tig. 2i). — Front rather narrow, widely diverging 

 on the occipital region, with large, full globose eyes rising considerably above 



