273 



8. Colymhetes signatus. Obovate : fuscous yellow, crown of the 

 head black, enclosing two yellowish spots : prothorax with a large, 

 transverse, dark spot, attenuated at both ends : elytra, with the excep- 

 tion of the lateral and sutural margins, thickly irrorated with black : 

 body beneath black : legs fliscous yellow, the hind pair darker. — 

 Length 4f lines, breadth 2|- lines. Monte Video and Tien-a del 

 Fuego. (Id. 7.) 



9. Colymhetes Darwinii. Ovate : crown of the head black, with a 

 transverse flavescent spot, which is connected by its middle with the 

 anterior concolorous part of the head, so as to form a T-shaped mark; 

 antennae yellow, prothorax margined before and behind with black, 

 and having a transverse black spot in the centre : elytra flavescent, 

 thickly irrorated with black. Extremely variable in colour, some spe- 

 cimens being nearly black, others quite pale. Length 5 — 6 lines, 

 breadth 2|— 3 lines. Tierra del Fuego. (Id. 8.) 



10. Colymhetes calidus. Fabricius, 'Ent. Syst.' i. 193, 27; 'Syst. 

 Eleu.' i. 265. Rio de Janeiro. 



11. Colymhetes 8aulcyii. Ovate, black, shining: head with two 

 transverse red spots on the crown : anterior angles of prothorax broad- 

 ly castaneous : a little beyond the middle of each elytron, near the 

 outer margin, is a triangular castaneous spot, and within the apex an- 

 other small round one, connected with the former by a castaneous line, 

 which is continued beyond the apical spot but interrupted by the su- 

 ture : beneath black, with a small red spot on each side of the seg- 

 ments of the abdomen. Resembles Col. vitreus. Length ^\ lines, 

 breadth 2 lines. Callao. (Id. 9.) 



12. Colymhetes pimctum. Black; two transverse lunules on the 

 crown, mouth, antennae, anterior angles of prothorax, fore and middle 

 legs, rufescent : each elytron has a minute fenestrated spot a little be- 

 yond the middle and near the outer margin : hind legs fuscous. — 

 Length 4 lines, breadth 2|- lines. Valparaiso. (Id. 10.) 



13. Colymhetes magellanicus. Black; the elytra having a small, 

 lateral, oblong, fenestrated spot : beneath black : antennae and legs 

 fuscous. Length 3 lines, breadth 1^^ line. Tierra del Fuego. (Id. 10.) 



14. Colymhetes elegans. Fuscous red, impunctate : each elytron 

 has ten strong longitudinal striae, which do not extend to the apex, 

 the second about half as long, and the other alternate ones not ex- 

 ceeding three fourths the length of the elytra. Length 3 lines, breadth 

 1| line. Rio de Janeiro. (Id. 11.) 



15. Hydnticus Havaniensis. Laporte, 'Etudes Ent.' 90. Rio de 

 Janeiro. (Id. 11.) 



