430 



COLEOPTERA. 



illary palpi is shorter than the fourth. This country is very 

 rich in species, among the most common of which are C. gen- 

 erosa Dejean (Fig. 352) ; C. vulgaris Say (Fig. 353) ; C. pur- 

 purea Olivier (Fig. 354) ; C. Jiirticollis Say (Fig. 355) ; C. 

 sexguttcda Fabr. (Fig. 356), a bright green active species with 

 six golden dots ; and C. punctulata Olivier* (Fig. 357). 



CARABID^E Leach. This is a family of very great extent, 

 and one very difficult to limit. In form the species vary 

 greatly ; the antennae are inserted behind the base of the man- 

 dibles under a frontal ridge ; maxillae with the outer lobe pal- 

 piform, usually biarticulate, while the inner lobe is usually 



Fig. 359. 



curved, acute and ciliate, with spines. The epimera and epi- 

 sterna of the prothorax are usually distinct ; the three anterior 

 segments of the abdomen, usually six, rarely seven or eight in 

 number, are connate. The legs are slender, formed for run- 

 ning ; anterior and middle coxae globular, posterior ones dilated 

 internally, and the tarsi are five-jointed, t 



TIG. 358 illustrates the external anatomy of this family : 1, head of Cicindela; 

 2, maxilla of Cicindela; 3, mentum of Omus; 4, mentum of Tetracha; 5, mentum 

 of Cicindela; 6, antennae of the same; 7, abdomen of the male of the same; 8, pos- 

 terior coxa of the same; 9, anterior tarsus of Omus (male); 10, anterior tarsus of 

 Cicindela. From Leconte. 



fFiG. 359 illustrates the external anatomy of the Car abides : 1, extremity of 

 the anterior tibia of Carabus, inner face ; 2, maxilla? of Cychrus ; 3, head of Cychrus ; 

 4, head of Carabus ; 5, antenna and part of head of Loricera ; 6, mentum of Carabus ; 

 7, maxilla of Carabus; 8, under surface of Pasimachus; 9, under surface of meso- 

 and metathorax of Metrius; 10, anterior tibia of Metrius; 11, under surface of 

 meso- and metathorax of Physea; 12, antennae of Pasimachus; 13, mentum of 

 Pasimachus; 14, maxilla of Pasimachus; 15, anterior tibia of Pasimachus; 16, 

 head of Promecognathus ; 17, mentum of Pseudomorphus, showing the indistinct 

 gular suture. From Leconte. 



