93 



No. 1 



No. 2. 



Fio. 83. Under surface of Harpalus caliginosus. No. 1: A, antenna; B. man- 

 dible; C, labrum; D, ligula; E. paraglossse; F. labial palpus; (?, maxilla 

 inner lobe; H, outer lobe; /, maxillary palpus; A', ineiituin; L, genae; M, gula, 

 with the gular sutures; N, buccal fissure; V, veutral segments; 1, proster- 

 num; 2, prosternal episternum ; 3. prosternal epimerum; 4,coxal cavity, closed 

 behind; 5, inflexed side of pronotum; 6, mesosternum; 7, mesosternal epis- 

 ternum; 8, mesosternal epimerum; 9, metastenium; 10, antecoxal piece; 11, 

 metasternal episternum; 12, metasternal epimerum; 13, inflexed side of 

 elytrum; 14, ambulatorial setae: 15, trochanters; 16, posterior coxae; 17, 

 femora; 18, tibiae; 19. tarsi. No. 2: under side of prothorax of Hydroscapha, 

 with open coxal cavities, and TV, trochantin. No. 3: under side of Calosoma. 

 No. 4: under side of Rhyssodes. No. 5: under side of Euxattus erosus, show- 

 ing the true epipleura. Ep. No. 6: under side of Cnemidotus, showing the 

 large coxal plates, PI. No. 7: under side of prothorax of Rhynchophorus, show- 

 ing the closure of the coxal cavities by the epimera. After LeConte and Horn 



