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being unusually full convex, encroaching on the occiput, and broad between 

 the auteunal sockets. Clypeus full, much longer than broad, convex, and 

 distinct from the orbits; longer than in Caberodes; the front edge is rather 

 narrow, and rounded in front. Tongue weaker and slenderer than in the 

 higher genera. Mandibles rather slenderer. 



Eurymene unitaria. — In this genus the front is wider than in Caberodes, 

 Eutrapela, or Tetracis. The occipital region (/'. e., the occiput and epicranium 

 together) is nearly as long as the clypeus; the epicranium is long, uniformly 

 so, forming a transverse band as wide at the middle as the ends. The 

 epicranium is squarish; hind edge but slightly convex ; a median central 

 depression; antenna? inserted wide apart. Clypeus squarish, being but little 

 longer than broad; the sides narrow a little anteriorly, the orbits much more; 

 the posterior and anterior edges are both much rounded, and the surface is 

 very convex, as much so as in Caberodes. The head grows wider on the 

 occipital region than in Eutrapela or Caberodes, and the eyes are smaller and 

 flatter, the clypeal region being wider. 



Tetracis crocallata — Occipital region larger than in Eutrapela and 

 Caberodes; the epicranium being longer, and projecting more broadly 

 between the sockets of the antenna? and the eyes. Epicranium transversely 

 oval, somewhat approaching that of Eutrapela in form ; both pieces moder- 

 ately convex. Antennae as wide apart as in Eutrapela. Clypeus in form like 

 Caberodes, but a little less convex, though much more so than in Eutrapela, 

 and a little more trapezoidal than in Caberodes. Mandibles and labrum as 

 usual. Maxilla? large. The whole head is smaller, and the eyes decidedly 

 smaller, than in Caberodes. 



Caberodes metrocaniparia. — The occipital region is large, but the occiput 

 is smaller than in Eutrapela, being shorter, while the epicranium is consider- 

 ably larger than in Eutrapela, and does not form a lozenge, the hind edge 

 being very convex. Surface very full and convex, much more so between the 

 antennae than in Eutrapela, the space between them being wider. The cly- 

 peus is subtrapezoidal, the sides narrowing a little anteriorly, and the sut- 

 face is very convex, much more so than in Choerodes, rising up Hush with the 

 eyes; it is considerably longer than broad. Thus, Eutrapela is much nearer 

 to Cydimon Leilus than Caberodes is; in the latter, the head growing wider 

 between the eyes. 



Endropia hypochraria. — Head slightly smaller than in Caberodes, to which 



