ORTHOPTERA— ACRIDIDAE— AORIDIUM SHOSHONE. 895 



reaching the tip of the abdomen. The inner angles of the mesostemal 

 lobes rounded. 



Color (after immersion in alcohol). — Brownish, varied with yellow. 

 Face and cheeks yellow, tinged with brownish ; two oblique brownish 

 stripes on the cheeks extending from near the border of the pronotnm 

 downward and forward. The sides of the posterior and lower portions of 

 the sides of the anterior lobes of the pronotum greenish-yellow; upper 

 portions of the sides of the anterior lobes pale brown ; a pale-yellow 

 stripe extending from the vertex along each lateral carina to the anterior 

 sulcus; the middle portion of the occiput and dorsum of the pronotum 

 pale brown. The elytra brown, with four or five oblong yellow spots in a 

 row along the disk; a pale-yellowish indistinct stripe running along the 

 upper angle; nervules mostly yellow. Posterior femora yellow with three 

 oblique reddish stripes across the external face, which cross the upper mar- 

 gin and extend upon the upper portion of the inner face; lower margin of 

 the outer and inner face yellow. Tibiae dull yellow (probably bluish when 

 living) ; spines black. Tips of the valves of the ovipositor black. 



Length, 1.3 inches; elytra, 0.87 inches; posterior femora, 0.62 inch. 



Named in honor of Dr. H. C. Yarrow, the surgeon and zoologist of the 

 expedition. 



One specimen only found in the collection, but this is in good order. 



ACRIDIUM. Geoff. 



ACEIDIUM SHOSHONE, sp. nov. 



Plate XL1II, Fig. 2. 



Acridium shoslione (extract from this MSS. published iu the Proc. Acad. Nat. Sci. 

 Phila., 1873, 290). 



By some oversight I neglected to state in my Synopsis that such was 

 the case, which should have been clone, as the description was published by 

 permission of the officer in charge in order that I might copy it into my 

 Synopsis, it being understood that it and the other species published at the 

 same time should appear in this paper as new, a note to be made of the 

 fact. 



Large size ; green ; without any dorsal stripe. 



