1905.] 



NATURAL SCIENCES OF PHILADELPHIA. 



441 



outline to that between the mesosternal lobes. Caudal femora elon- 

 gate, reaching the base of the ovipositor jaws, dorsal carina distinctly 

 serrate; tibia? slightly but distinctly shorter than the femora, spines of 

 the internal borders longer than those of the lateral borders. 



General color very dull olive green on the head and thorax, abdomen 

 raw umber. Pronotum with a broad subequal median stripe of oil 

 green which is continued on to and involves the whole anal area of the 

 tegmina. Head with a broad streak of dull tawny-ochraceous on the 

 fastigium, vertex and occiput, bordered laterad by faint blackish Unes; 

 eyes ferruginous ; antennae olivaceous. Pronotum with the lateral por- 

 tions of the dorsum bistre. Tegmina (exclusive of the anal areas) chest- 

 nut. Wings with the costal portion and the apical two-thirds suffused 

 with chestnut fading into a pale apple green on the basal third. Ceph- 



Fig. 35. — Schistocerca malachitica n. sp. Tj^pe. 



alic and median limbs dull oil green, the genicular regions marked with 

 gamboge yehow. Caudal femora oil green, basally suffused with 

 hoary white, genicular arch black, the region immediately ventrad 

 being ochraceous; tibiae saffron yellow, the spines lemon yellow with 

 the tips black. 



Measurements. 



Length of body, 54.5 mm. 



Length of pronotum, '^i c- a 



Greatest width of pronotum, u 



Length of tegmen, 50 ^^ 



Greatest width of tegmen, on re a 



Greatest width of wing, 20.5 ^^ 



Length of caudal femur, 27.5 



The type is unique in the material studied. 



