300 ORISMOLOGY. 
5. Distincr (Distincta). When parts are separated 
from each other by a suture. Ex. Parts of the 
Trunk in Coleoptera, &c. 
6. Disranr (Distans). When they are separated by 
an zncisure. Ex. Head, Trunk, and Abdomen, in 
Hymenoptera. 
7. Inoscutatine (Inosculans). When one part is in- 
serted into the cavity of another. Ex. Head in 
Buprestis. 
8. SUSPENDED (Suspensa). When one part is joined 
to another by a ligature, without being inserted in 
it. Ex. Legs of Orthoptera. 
xvii. ARMS. 
1. Toorn (Dens). A short flattish process, somewhat 
resembling a zooth. 
2. Horn (Cornu). A longer process, resembling a 
horn. 
a. Laminate Horn (Cornu laminatum). <A horn di- 
lated at its base into a flat plate. Ex. Onthopha- 
gus nutans. 
b. Noppinc Horn (Cornu nutans). When a horn 
bends forwards. Ex. Onthophagus nutans. 
3. SPINE (Spina). A fine, long, rigid, pointed process. 
Ex. Those on Elytra of many Hispe, and the 
Posterior Tibie of Locusta Leach. 
4. Mucro (Mucro). A short, stout, sharp-pointed 
process. Ex. Elytra of Lixus paraplecticus. 
5. Spur (Calcar). A spine that is not a process of the 
crust, but is implanted in it. Ex. Those on the 
lower side of the Tibice of Acrida K. 
