HEMIPTERA— LYGAEIDAE-MEGALONOTUS SODALICIUS. 835 



LYGAEUS FACETUS, Say. 



2. Lygceus facetus, Say, Heraipt., New Harmony, 13, No. 2. 



Collected in Owen's Valley, California, by F. Bisehoff. These specimens 

 are of the usual type, having the full complement of red on the pronotum. 



LYGAEUS BICRUCIS, Say. 



3. Lygcvus bicrucis, Sat, Jour. Acad. Nat. Sci. Phila., iv, 322, No. 2. 



No specimens were actually brought in by the survey ; but the species 

 is not uncommon in New Mexico, Nevada, and other regions traversed by 

 some of the collectors connected therewith. 



NYSIUS, Dallas. 

 NYSIUS ANGUSTATUS, Uhler. 

 Plate XLII, Fig. 1. 

 Nysim angustatus, Uhxer, U. S. Geol. Surv. Montana, 1S70, 406. 



A very small, pale specimen is in the collection from Owen's Valley. 



MEGALONOTUS, Fieb. 



MEGALONOTUS SODALICIUS, Uhler, sp. nov. 



Plate XLII, Fig. 2. 



Dull piceous black; form of M. chiragra, Fab. Sparingly clothed 

 with minute golden pubescence, which is more dense on the venter, and 

 almost absent from the prostethium. Head stout, very minutely densely 

 shagreened. Antenna; rufous ; the apical joint and sometimes the base and 

 apex of the second joint piceous; the basal joint scarcely more than one- 

 half the length of the head; second longest, a little longer than the fourth; 

 third about two-thirds as long as the second. Rostrum rufo-flavous, reach- 

 ing to the middle of the mesosternum ; the apical joint piceous; the basal 

 a little shorter than the head ; second longest ; third and fourth short, sub- 

 equal. Pronotum almost one-fourth wider than long, indistinctly and very 

 minutely scabrous; the lateral margins distinctly, but very narrowly reflexed 

 throughout, pale piceous or testaceous, feebly sinuated behind the middle; 

 the anterior angles bluntly rounded; the humeral angles prominent, testa- 



