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of some Species of Carabidce. 
cordatus, airo-viridis, quasi vermibus erosus, linea media 
longitudinali sub lente parum distincta, marginibus elevatis, 
subviridi-auratis. Elytra striata, punctatissima ; sutura ele- 
vata nigricanti, apice subabbreviata, punctisque oblongis tri- 
plici serie elevatis, interstitiis subrugosis. Corpus subtus 
atrum, pedibus concoloribus. 
Species 4. Carabus insularis. 
Niger; pedibus concoloribus, antennis basi piceis. Long. lin. 10; 
lat. lin. 3|. 
Habitat in Chiloe sub putridis arboribus. In Museo Dom. 
Darwin. 
Statura Carabi suturcilis, Fab. Fere totum corpus supra 
nigrum ; pedibus concoloribus. Antennse quatuor primis 
articulis piceis, reliquis pubescentibus. Caput nigro-viride. 
Thorax erosus, lateribus elevatis. Elytra striato-punctata, 
nigra ; sutura elevata nitida, subtiliter punctulata. 
Obs. — It is probable that this species may be a variety of the 
foregoing. In sculpture, however, it differs in many points ; both 
males and females vary in colour. The most characteristic varie- 
ties were found in different localities, beneath decayed logs of 
wood, in the small islet behind Chiloe. 
Species 5. Carabus Darninii. 
Cyaneus ; elytris striatis, thorace elytrisque aureo-marginatis ; 
corpore subtus nigro-cyaneo. Long. lin. 11 ; lat. lin. 3|. 
Habitat in Chiloe. In Museo Dom. Darwin. 
Antennae fuscee, quatuor primis articulis piceis, reliquis pubes- 
centibus. Caput cyaneo-viride. Thorax punctulatus, longi- 
tudinali linea fortiter impressa, lateribus auratis. Elytra 
punctato-striata, cyanea, punctis obsoletis impressis, triplici 
serie ordinatis; marginibus auratis, splendidis. Corpus infra 
nigro-cyaneum ; pedibus nigricantibus, tibiis intermediis 
auricomis. 
Obs. — This beautiful insect I have named in honour of my friend 
Charles Darwin, Esq., a zealous Entomologist. Flis exertions in 
advancing the progress of Zoology in general entitle him to the 
thanks of the scientific world. 
Species 6. Calosoma Patagoniense. 
Cupreo-ameum, nitidum ; thorace elytrisque viridi-marginatis; 
