SCHISTOCERCA, SPHINGONOTUS AND HALMENUS 435 



SCHISTOCERCA INTERMEDIA BOREALIS var. nov. 



(PI. XXVII, fig. 2.) 



From Abingdon and Bindloe Islands. 



Description of the Type. Male. — From Abingdon Island. Head 

 almost uniform pale yellowish-brown ; on the vertex two brownish 

 stripes arising between eyes and diverging somewhat backward, inclos- 

 ing between them a yellowish median stripe which is lost in front in 

 the general pale color of the head ; two excessively faint post-ocular 

 stripes on each side running downward and backward ; antenns color 

 of head basally, otherwise dusky; eyes uniform in color with head. 

 Entire prothorax almost uniform yellowish-brown ; a very faint median 

 dorsal stripe of yellowish scarcely reaching posterior border of meta- 

 zona ; a well-marked but pale longitvidinal yellowish area on angle of 

 scutum and scutellum, very faintly bordered above and below by dusky ; 

 metazona bordered posteriorly by a row of very indistinct dark spots ; 

 most of pronotum minutely punctate with black. Sides of meso- 

 thorax and metathorax colored as pronotum, sterna of same segments 

 paler and not punctate. General color of abdomen uniform with that 

 of thorax, the sterna being paler than the terga, the latter streaked 

 longitudinally with short indistinct curved black lines. 



Fore and middle legs uniform yellowish-brown. Metathoracic fem- 

 ora slightly paler than body ; two pale dusky quadrate blotches on 

 the dorsal half, reaching from middle of outer to middle of inner side, 

 the anterior on the inner surface of femur spreading out so as to form 

 a large diffused black area anteriorly between the upper and lower 

 carinae ; the lower outer ends of the dorsal blotches are connected by 

 a longitudinal line of indistinct black punctations ; a row of small 

 black spots along lower outer and the ventral median carinae ; 

 inner lower carina reddish ; lower lobes of posterior femoral enlarge- 

 ment yellow, upper lobes black, tipped with yellow, dorsal surface 

 between them pale, spotted with black ; dorsal surface of femur tinged 

 with reddish, upper median carina conspicuously red with small 

 dusky-red spots along its entire length. Posterior tibia mostly plain 

 yellow, upper end and tips of spines black, a few very indistinct 

 dusky spots on outer side above. 



Tegmina darker than body ; reticulation of premedian area pale 

 gray, membrane pale ; reticulation of post-median part brown, mem- 

 brane everywhere infuscated. The longitudinal veins bright red 

 basally; large dark quadrate maculations distinct, crowded basally. 

 Posterior wings strongly infumated apically. Length of tegmina, 

 38 mm. 



