10. 
11. 
12. 
13. 
14, 
Ta. 
ORISMOLOGY. 265 
tion is elliptical, and zransverse circular. PLaTE XX. 
Fic. 19. 
. Ovirorm (Oviformis). Whose longitudinal section 
is ovate, and ¢ransverse circular. PLaTrE XX. 
Hreaytos 133 
. Cucumirorm (Cucumiformis). Cucumber-shaped. 
Whose longitudinal section is oblong, and trans- 
verse circular. PuatE XX. Fic. 18, excluding 
the neck. 
. Corpirorm (Cordiformis). Oviform and_hol- 
lowed out at the base without posterior angles. 
Pirate IX. Fic. 22. 
. Conicau (Conica). Whose vertical section is trian- 
gular, and horizontal circular. Ex. Abdomen of 
Ceelioxys conica Latr. (Apis ** b. K.). Puate XX. 
Fia. 7. 
Turpinirorm (Turbiniformis). Whose vertical 
section is turbinate, and horizontal circular. Ex. 
Antenne of Aleochara socialis Grav., and many 
others of that genus. 
PyramipaL (Pyramidalis). Whose vertical section 
is triangular, and horzzontal quadrangular. 
CuneEIFoRM (Cunezformis). Whose vertical section 
is cuneate, and horizontal parallelogramical. } 
Trigvetrous (Zriquetra). Whose horizontal sec- 
tions are equilateral triangles. Pirate XI. Fie. 6. 
Ensirorm (Lnszformis). Whose horizontal sections 
are acute-angled triangles gradually diminishing 
in diameter from the base to the apex, and propa- 
gated in a straight line. PuaTE XI. Fic. 7. 
AcINACcIFORM (Acinaciformis). Whose horizontal 
sections are acute-angled triangles gradually zn- 
