till ORISMOLOGY. 
nor abdomen are separated by any incisure or su- 
ture. — Ex. Many Acari L., Phalangium, &c. 
5. Multisect (Multisection). When an insect appears 
to have no distinct trunk and abdomen, but is di- 
vided into numerous segments. — Ex. Scolopenclra ; 
lulus, &c. Plate V. Fig. 6. 
6. Cymbiform (Cymbiformc). When the margin of 
the thorax and elytra are recurved so as to give 
a body the resemblance of the inside of a boat. — 
Ex. Helens, Cossyphus. 
II. HEAD (Caput). 
i. DIRECTION. 
1. Prominent (Promi?ie?is). When the head is in the 
horizontal line, and forms no angle with the trunk. 
— Ex. Carabus. Plate I. Fig. 1. 
2. Porrected (Porrectum). When the head is pro- 
minent and elongate. — Ex. Cychrus. 
3. Nutant (Nutans). When the head forms down- 
wards an obtuse angle with the horizontal line, or 
trunk. — Ex. Harpalus. 
4'. Cernuous (Cemuum). When the head forms down- 
wards a right angle with the trunk. — Ex. Most 
Gryllina and Locustina. 
5. Inflexed (Injlcxum). When the head forms in- 
wards an acute angle with the trunk. — Ex. Dlatta. 
Plate II. Fig. 3. 
6. Turreted (Turritum). When the head is pro- 
ducted into a kind of columnar recurved turret or 
rostrum, in the sides of which, towards the end, 
the eyes arc fixed. — Ex. Truxalis. 
