334 APPENDIX. 



three Cancere.s, a Portunus, a PorceUaiia, a Sphceroma, 

 and a Ligia. 



The dry land along the coast is extremely poor in 

 insects. The number of beetles collected in 1816, 

 together with those taken on the present occasion, 

 amounted only to sixty seven, but they are altoge 

 ther peculiar to the country. The most remarkable 

 are a Carabus of the beautiful colours of the hispa- 

 mis, but with narrow striped cases to the wings, and 

 a large Prionus: the joints of the feet, in this lat 

 ter, are short and cylindrical, constituting a dis 

 tinction from the whole family of the Cerambyci- 

 jice ; in every other respect it is unquestionably a 

 Prionus, and may be called Pr. Mercurius, on ac 

 count of two wing-shaped appendages, attached to 

 the neck-corselet. Sixteen Carabicides were found 

 belonging to the Calosoma, Pcecilus, Harpalus, Tre- 

 chus, Dromius, and Peryphtis. We were surprised 

 at finding so few dung-beetles. We met with 

 only two large ones, namely, the Megathopa villosa 

 of Esch. En tomography, forming a species of the 

 Atettchus, and a Copris torulosa, described in the 

 same work ; this, however, is owing to the very 

 little moisture in the atmosphere, which dries the 

 dung almost immediately. It is curious, that all 

 the seventeen kinds of Copris of South America 

 known to us, have but seven stripes upon each 

 wing-case ; whereas those of the Old World have 

 eight : the larger kinds, Hamadnas, Bucephalus, and 



