AMERICAN COLEOPTERA. 19^ 



EXPLANATION OF PLATE IIL 



Fig. l._Under side of Cychrus alternatus Motsch. 



pjg. 2. " Fterostichus validus Dej. 



Fig. 3.— " Mormolyce phyllodes* Kagenh. 



Fig. 4.— " Sphallomorpha qiiadrisignata* C&st. 



Pig. 5. " Haliplus triopsis Say. 



Fig. 6. " Amphizoa insolens Lee. 



Fig. 7._ " Pelobius Heimanni-^ F&h. 



Fig. 8. " Dytiscus confuens Say. 



Fig, 9. " Dineuhts discolor Aube. 



EXPLANATION OF PLATE IV. 



Fig. 1 . — Psydrus piceus Lee. 

 Fig. 2. — Nemotarsus elegans Lee. 

 Fig. 3. — Euproctus irivittatus Lee. 

 Fig. 4. — Onota Floridana Horn. 

 Fig. 5. — Eucarus varicorvis Lee. 

 Fig. 6. — Pentagonica pallipes Lee. 

 Fig. T.— Zacotus Maithewsii Lee. 

 Fig. 8. — Pogonodaptus piceus Tiovxi. 

 Fig. 9. — Evolenes exaratus Dej. 



* The asterisk affixed to names indicates that the genus does not occur in 

 our fauna. Occasionally foreign species have been used when ours is too rare 

 to dissect, as in Nos. 7, 33, 127, of the following plates. 



TWANS. AM. KNT. SOC. IX. (44) OCTOBER, 1881. 



