304 PHYTOPHAGA. 



very finely rugose. The specimen before me is 4} lines in len S th ( which is a line less 

 than Clark gives), and the disk of the thorax as well as the legs are obscure fulvous, the 



rest flavous. 



5. Cacoscelis bicolorata. 



Cacoscelis bicolorata, Clark, Journ. of Entom. ii. 1865, p. 408 \ 

 Hab. Mexico 1 . 



6. Cacoscelis scriptipennis. (Tab. XVIII. fig. 6.) 



Elongate, parallel, pale fulvous below; antennae black, three basal joints fulvous, above testaceous; thorax 

 with five piceous spots ; elytra finely punctured, testaceous, the sutural and lateral margin, an oblique 

 stripe from the base to the suture connected with two square-shaped marks at the middle, as well as a 

 round mark at the apex, black. 



Length 3-4 lines. 



Head strongly punctured at the vertex and between the eyes, testaceous, a short stripe at the base black; 

 frontal tubercles indistinct ; carina short and thick ; antennae rather short, less than half the length of 

 the body, third and fourth joints equal, the three basal joints fulvous, the rest black ; thorax transverse, 

 the sides rounded, the posterior angles oblique ; surface remotely, but distinctly, punctured, with a small 

 fovea at each side near the base, the basilar sulcation entirely absent ; disk with four transversely placed 

 and generally connected piceous spots, and a fifth intermediate and more elongate one ; scutellum obscure 

 fulvous, margined with piceous ; elytra narrowly elongate, parallel, closely and finely punctured, testa- 

 ceous ; a transverse narrow band below the middle, an oblique central stripe from the middle of the base 

 to the suture, connected with the posterior band and the lateral margin by a median longitudinal line and 

 a transverse shorter one, a spot at the shoulder, and a rounded stripe near the apex extending from the 

 suture upwards and sideways black; abdominal segments stained with piceous. Legs fulvous; tibiae 

 and tarsi sometimes piceous. 



Hab. Guatemala, Zapote (Champion). 



This curiously marked species, of which the figure will give a better idea than the 

 description, has the appearance and general characters of a true Cacoscelis, although 

 the thoracic depression is absent and the tibiae show no emargination (a character often 

 wanting also in other species of this genus). The testaceous colour of the elytra is 

 divided by the black markings into elongate spaces of different size and shape. Four 

 specimens were obtained. 



DISONYCHA. 



Disonycha, Chevrolat in d'Orbign. Diet. univ. Hist. Nat. v. 1844, p. 80 ; Clark, Journ. of Ent. 

 ii. p. 401. 

 In Disonycha the transverse groove of the thorax is, in the majority of species, so 

 indistinct as almost rightly to be considered wanting; indications of it are, how- 

 ever, generally visible at the sides, and in some instances the entire groove is more 

 distinctly marked. The principal character of the genus may be found in the obliquely 

 cut posterior angles of the thorax and the shape of the carina between the antennae, 

 which widens considerably anteriorly, being connected with the clypeus, as is also the 



