H K MIPTKKA llEi'KROi’TEKA. 
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109. Rhyparochromus quadricollis. 
Pachyrnerus quadricollis, Spin. Faun. Chil. 144 ; Synt. A. S. E. F. 4 me 
Sir. iii. 562 — Meganotus, Fieb. 
Chili. 
110. Rhyparochromus Chilensis. 
Pachyrnerus Chilensis, Spin. Faun. Chil. 147; Sgnl. A. S. E. F. 4 me Sir. 
iii. 562. 
Chili. 
111. Rhyparochromus hyalixatus. 
Pachyrnerus hyalinatus, Spin. Faun. Chil. 148, pi. 1, f. 16; Sgnl. A.S.E. 
F. 4me Sir. iii. 563. 
Chili. 
112. Rhyparochromus pcecilus. 
Pachyrnerus pcecilus, Spin. Faun. Chil 149, pi. 1 , f. 15; Sgnl. A. S. E. 
F. 4 me Ser. iii. 563 — R. hyalinatus, var .? 
Chili. 
113. Rhyparochromus polychromus. 
Pachyrnerus polychromus, Spin. Faun. Chil. 149; Synt. A. S. E. F. 4me 
Sir. iii. 563. 
Chili. 
114. Rhyparochromus nitidus. 
Pachyrnerus nitidus, Blanch. Faun. Chil. 150; Synt. A. S. E. F. 4me 
Sir. iii. 563 — Lamprodema, Fieb. 
Chili. 
115. Rhyparochromus Gayi. 
Astemmoplitus Gayi, Spin. Faun. Chil. 158, pi. 1, f. 13 — R. nitidus? 
Chili. 
116. Rhyparochromus armatipes. 
Niger ; rostrum testaceum , coxas anticas superans ; prothoracis sulcus 
transversus bene dcterminatus ; pedes teslacei ; corium obscure fuscum, 
st7-iga costali diaphana, macula costali albida ; membrana fuscescente 
cinerea. 
armipes, C. H. 569. 
Of the group Beosus, as is also the following species. 
Black, in structure like R. armipes. Head triangular. Eyes slightly 
prominent. Rostrum testaceous, extending somewhat beyond the fore 
coxae. Prothorax widening from the fore border to the hind border, near 
