HEMIPTERA. 383 



Molchina compressicornis, Am. fy Serv. Hem. 189. 1 (1843). 



I a. Para. From Messrs. Wallace and Bates' Collection. 

 Genus 7- PACHYLIS. 

 ygus, p., Fab. Syst. Eh. (1803). 



Pachylis, LeP. % Serv. Enc. x. (1825); Lap. Hem. 29 (1832); 

 Burm. Handb. ii. 338 (1835) ; Spin. Hem. 135 (1837) # Tav. 

 Sin. Hem. 41 (1850) ; Am. % Serv. Hem. 194 (1843) ; H. Sch. 

 Wanz. iii. 62 (1836) & ix. 239 (1850) & 259 (1851). 



1. PACHYLIS Pharaonis. 



Lygseus Pharaonis, Fab. S. R. 208. 20 (1803). 

 Pachylis Pharaonis, Burm. Handb. ii. 338. 2 (1835) ; Spin. H<?m. 

 135. 1 (1837) ; Hope, Cat. 13 (1842) ; Am. % Serv. Hem. 194. 

 1 (1843). 



Stall, Pun. 19. pi. 3. fig. 20. 

 Merian, Surin. t. 51. 



a. Para. From Messrs. Wallace and Bates' Collection. 

 b. . 



2. PACHYLIS gigas. 



Pachylis gigas, Burm. Handb. ii. 338. 3 (1835). 



a. Mexico. Presented by J. Taylor, Esq. 



b. Mexico. Presented by E. P. Coffin, Esq. 



c. Mexico. From Mr. Children's Collection, 



3. PACHYLIS nervosus, n. s. 



P. fuscus, obscurus, subtus rufescens ; thoracis margine postico 

 testaceo ; elytrorum nervis fulvis, membrana nigricanti ; an- 

 tennis nigris, articulo tertio dilatato, basi fulvo. 9 

 Long. lin. 17- 



Above dark brown, obscure, thickly clothed with very fine, 

 short, yellow hairs. Head black, impunctate, with the tips of 

 the antenniferous tubercles and a small spot at each ocellus tes- 

 taceous. Ocelli red. Thorax with the lateral margins finely den- 

 ticulated; the surface rugose; the posterior margin testaceous. 

 Scutellum finely wrinkled. Coriaceous portion of the elytra very 

 dark brown, very thickly and finely rugose-punctate, with the 

 nervures fulvous and smooth ; membrane pitchy black, brassy. 

 Margins of the abdomen brown, finely wrinkled, with a yellow 

 spot on the edge of each segment. Body beneath reddish, opaque, 

 and clothed like the upper surface with minute yellowish hairs. 

 Margins of the abdomen and sides of the thorax somewhat 

 shining. Breast with two spots of yellow hairs on each side. 

 Legs brown; tarsi paler, with the apex blackish. Antennae 



