NATURAL HISTORY. 
31 
ROOM IX.] 
S. 11. HA USTELLA TA, or insects with imperfect 
mouths. 
(M.) Begins with the Order LEPIHOPTERA, and 
contains many very beautiful species of Butterflies,, chiefly 
from South America. 
Case 15. 
(N.) Lepidoptera continued, in which are several species 
of the genus Heliconia, a group of insects peculiar to South 
America; examples of the genera Acraea, Cethosia, 
Argvnnis, Vanessa, and the Purple Emperor ( Apatura 
Iris). 
(O.) Specimens of Morpho Ilioneus , and M. Laertes of 
Fabricius, from South America; the remainder of this 
compartment consists of Theclae, and several species of 
British Sphingidae or Hawk-moths. 
(P.) In continuation of the Sphingidse, are specimens of 
the genera Sphynx, Deilephila, Macroglossa, &c. In the 
Bombycidae are examples of most of the British genera. 
Case 16. 
(Q.) Various genera of the Noctuidae or night flying 
moths, principally English, from the collection of the Dow¬ 
ager Lady East. At the bottom of this compartment is a 
specimen of one of the largest moths known, ( Erebus Strix , 
Latr.,) from South America. 
(R.) Geometridae, Tortricidae, and Tineidae, British, 
and chiefly from the collection of the Dowager Lady East. 
In this compartment commences the Order DIPTERA , 
or two-winged flies, and begins with the Gnat and Tipula 
or Crane-fly. 
(S.) Diptera continued. Specimens of the Gasterophi- 
lus Equi or Horse bot-fly, which, in its larva state, inhabits 
the stomach of the horse : here are also specimens of a re¬ 
markable insect, ( Diopsis ichneumonia ,) whose eyes are 
situated on a pedicle or foot-stalk, and of the Hippobosca 
Equina or Forest-fly, peculiar almost to the New Forest of 
Hampshire. 
HEMIPTERA : this order is illustrated by numerous 
species of field and water bugs, most of which have the 
same disgusting odour as the bed-bug; here is also an 
aquatic insect with its wings expanded ( Belostoma grandis , 
Latr.), from South America. The Order HOMOPTERA 
contains specimens of the Chinese Fire-fly ( Fulgora cande - 
