ROOM IX. 
Nat. Hist. 
32 
to this family; but the female insect only is apterous, 
and emits a phosphorescent light. Silphiadae, or bury¬ 
ing beetles. Scarabaeidae; there are two specimens in 
this compartment of the celebrated Sacred Beetle of the 
Egyptians (S. sacer), of which numerous representations 
in stone, &c., may be seen in the Gallery of Antiquities. 
Case 12 . 
(D.) Dynastidae and Cetoniidae: to the former family 
belong some of the largest coleopterous insects, and 
the latter are remarkable for their brilliant colours, and 
metallic tints. 
(E.) Lucanidae: in this family is the Stag Beetle 
{L. cervus ), a German specimen of which is exhibited, 
remarkable for its enormous mandibles. This com¬ 
partment contains many interesting specimens illustra¬ 
tive of the Heteromerous Coleoptera. Curculionidae ; 
amongst these is the Diamond Beetle ( Entimus imperi - 
alts ), an interesting object for the microscope. 
(F.) Curculionidae; the Palm Calandra (C. palma- 
rum). The larvae of this species, are used in the 
West Indies for food. Cerambycidae; these insects 
are remarkable for the length of their antennae; in 
the caterpillar state they feed on the wood of trees; 
they abound in all hot and well wooded countries. 
Case 13. 
(G.) Cerambycidae continued. Chrysomelidae; the 
Cassida or Tortoise Beetle, &c. To the 2nd Order 
DEB MAP TER A belongs the Forficula or earwig, 
a specimen of which is exhibited with the wings ex¬ 
panded. The Order DICTYOPTERA contains the 
Blatta of Linnaeus or Cock-Roach. 
(H.) Order ORTHOPTERA contains the Phasma 
and walking-stick insect; the Mantis, Locust, Grass¬ 
hopper, Mole-cricket, &c. 
(I.) Orthoptera continued. Order NEUROPTERA 
contains the Libellulae or Dragon flies ; Panorpa, scor¬ 
pion fly, &c. 
Case 
