24. 
2 
26. 
27. 
28. 
29. 
30. 
3. 
32. 
33. 
34, 
Soe 
ORISMOLOGY. 267 
Two-EDGED (Anceps). Whose horizontal section is 
lanceolate. 
CyuinpricaL (Cylindrica). Whose horizontal sec- 
tions are all equal circles. PLate XXI. Fic. 4. 
Fustrorm (Fusiformis). Spindle-shaped. Whose 
vertical section is lanceolate or lineari-lanceolate, 
and horizontal circular. Puate XXIII. Fie. 12. 
CoLumnar (Teres). Whose vertical section is cu- 
neate, and horizontal circular. PuiatEe XVI. Fic. 
2, 3. 
CravirorM (Claviformis). Whose vertical section 
is clavate, and horizontal circular. Puate XI. 
XII. Fic. 4. 
CusicaL (Cubica). Six-sided, with sides quadrate. 
PaRALLELoPIPEDOUS (Parallelopipeda). Six-sided, 
with four parallelogramical and two quadrate 
sides. 
Pyrirorm (Pyriformis). Pear-shaped. Whose 
vertical section is spatulate, and horizontal circu- 
lar. Ex. Apion, Brachyrinus, &c. 
INFUNDIBULIFORM (Infundibuliformis). Funnel- 
shaped. Whose horizontal sections are circular, 
at first equal and then progressively larger and 
larger. Puate XXII. Fic. 12. c. 
Fornicate (fornicata). Concave above and con- 
vex beneath. Prats XIII. Fic. 18. a. 
CoarcraTE (Coarctata). When the diameter of 
the middle is less than that of the ends. Ex. Pos- 
terior thigh of Locusta. Puate XIV. Fic. 5. 
CatcEoLiForM (Calceolzformis). Oblong, and some- 
what coarctate in the middle. Ex. Abdomen of 
Chelonus F. 
