TERMITIDES. 511 



T. dims. Pale ferruginous, sublinear, bare, shining: head 

 elliptical, concave between the eyes, a little narrower than the tho- 

 rax : ocelli none : antennae tawny, very much longer than the head, 

 with about twenty-two joints: prothorax more than twice broader 

 than long, almost transversely semi-elliptical, nearly straight in 

 front, convex on each side and behind : mesothorax and metatho- 

 rax scutcheon-shaped : abdomen piceous, subfusiform, longer than 

 the thorax : fourth joint of the tarsi more than twice the length of 

 all the other joints: wings dark brown, piceous along the fore 

 border, about twice the length of the body ; transverse oblique veins 

 behind the subcostal vein, and secondary veins towards the hind 

 border indistinct Length of the body 9 lines ; of the wings 32 

 lines. 



a. Interior of Brazil. Presented by the Entomological Club. 



b. Para. Presented by Reginald Graham, Esq. 

 e. Para. Presented by J. P. G. Smith, Esq. 



d. Brazil. From Mr. Stevens' collection. 



e. ? From Mr. Children's collection. 



f - ? 



T. dims. Testaceous, convex, smooth, shining, pubescent : 

 head twice the breadth of the thorax, very thick, narrower and im- 

 pressed in front : eyes and ocelli none : mandibles piceous, tawny 

 at the base, strong, curved, edged, acute, with a stout tooth near the 

 base: palpi long : antenna? 19-jointed, longer than the head: protho- 

 rax, mesothorax and metathorax severally with a strong acute spine 

 projecting from each side : prothorax more than twice broader than 

 long, vertical in front and applied closely to the head, straight be- 

 hind : abdomen fusiform, nearly twice the length of the thorax, 

 with ten segments of equal size : legs long ; fourth joint of the tarsi 

 more than twice the length of all the other joints. Length of the 

 body 3 7 lines. 



a, b. Demerara. Presented by Mr. Bowerbank. 

 c, d. ? From Mr. Children's collection. 



Var. /y. Head a little narrower. 



a, b. Brazil. From Mr. Mornay's collection. 

 c,d. ? 



