338 HEMIPTERA. 



1. APLOSTERNA virescens. 



Aplosterna virescens, Hope, Cat. 27 (1837). 



a. Gambia. Presented by the Rev. D. F. Morgan. 



b. Gambia. From Mr. Kendall's Collection. 



Genus 6. PIEZOSTERNUM. 



Cimex, p., Fab. Ent. Syst. iv. (1794). 



Edessa, p., Fab. Syst. R. (1803); Burm. Handb. ii. (1835). 



Pentatoma, p., Pal. Beauv. Ins. (1805) ; LeP. fy Serv. Enc. Meth. 



x. (1825). 

 Piezosternum, Am. fy Serv. Hem. 161 (1843). 



1. PIEZOSTERNUM mucronatum. 



Pentatoma mucronatum, Pal. Beauv. Ins. 46. Hem. pi, 6. fig. 5 



& 6 ; LeP. $ Serv. Enc. x. 55. 12 (1825). 

 Edessa vicina, Hope, Cat. 29 (1837). 

 Piezosternum mucronatum, Am. fy Serv. Hem. 162. 1 (1843). 



a. Congo. Presented by Sir John Richardson, M.D. 



b. 



2. PIEZOSTERNUM subulatum. 



Cimex subulatus, Thunb. Nov. Ins. Sp. 41. t. 2. fig. 55 (1783). 

 Cimex Vacca, Fab. E. S. iv. 92. 51 (1?94) ; Coq. III. Ic. ii. 81. 



t. 19. fig. 2 (1801). 



Cimex gazella, Fab. E. S. iv. 92. 52 (1794). 

 Edessa Vacca, Fab. S. R. 14?. 6 (1803); Burm. Handb. ii. 356. 



13 (1835). 

 Edessa gazella, Fab. S. R. 147. 5 (1803). 



a. . Presented by Sir Edward Belcher. 



b. . 



Genus 7. MUCANUM. 



Tessaratoma, p., LeP. fy Serv. Enc. Meth. x. (1825). 

 Mucanum, Am. fy Serv. Hem. 163 (1843). 



1. MUCANUM canaliculatum. 



Tessaratoma canaliculata, LeP.fy Serv. Enc. x. 590. 1 (1825). 

 Mucanum canaliculatum, Am. fy Serv. Hem. 164. 1 (1843). 



a. Philippine Islands. From Mr. Cuming's Collection. 



b. Java. 



Genus 8. PYGOPLATYS, n. g. 



Head not broader than long, somewhat pointed in front, scarcely 

 emarginate, with the lateral margins plane. Antennae of four 

 joints, rather stout, basal joint not reaching the apex of the head, 



