1T9 
Six New East Indian Coleoptera. 
Length, | inch. 
From the East Indies, in the collection of S. Rucker, Esq. 
Saperda testacea. (PI. XVI. Fig. 5.) 
Head black, with the palpi testaceous, and a dull brown spot 
on the vertex, near the thorax. Antennae rather more than half 
the length of the body, black, with the bases of the third to the 
seventh joints dirty white, the first, second, and third joints covered 
with long bushy hairs. 
Thorax rather broader than the head, pale testaceous, cylindric, 
with a blunt protuberance on each side, and three others forming 
a triangle on the vertex. 
Elytra rather broader than the thorax, long, cylindrical, pale 
testaceous, with two small brown spots near the scutellum, deeply 
punctate all over, except towards the apex, and each elytron with 
three longitudinal elevated lines, two on the disk and one near the 
margin, the lateral anterior angles brown. 
c5 1 O 
Abdomen underneath velvety black, with the apex testaceous. 
Legs short, the first pair testaceous, with the outside of the tibiae 
and tarsi black, the two posterior pairs black, with the knees and 
bases of the femora testaceous. 
Length, inch. 
From the East Indies, in the collection of S. Rucker, Esq. 
XXXVI. Observations in supjiort of the opinion, that the 
Blatta, or Cockroach, cannot be considered the same Insect 
as Oreb, the Fly which humbled the pride of Pharaoh. 
By the Rev. F. W. Hope, M.A., F.R.S., fyc. 
[Read 6th March, 1837.] 
My much valued friend, the Rev. William Kirby, in his Bridge- 
water Treatise, (a work which has greatly tended to overthrow 
the futile theories of Lamarck), has in the second volume, p. 357, 
introduced the following remarkable passage : “ It has been sug- 
gested to me by an eminent and learned prelate, that the Egyptian 
plague of flies, which is usually supposed to have been either * a 
mixture of different species’ (Aquila and Jerom), or a fly then called 
the dog-fly {Oreb), but which is not now known, was a cockroach.” 
When I read this passage, it naturally excited my astonishment; 
