ORISMOLOGY. 329 



extremity. PLATE XL FIG. 5. PLATE XXV. 

 FIG. 8. 



12. PRISMATIC (Prismaticales). Antennse with three 



nearly equal sides. PLATE XI. FIG. 6. 



13. ENSIFORM (Ensiformes}. Antennae compressed and 



three-sided, with one side much narrower than 

 either of the others. PLATE XI. FIG. 7. 



14. FALCIFORM (Falciformes). When the Clavola of the 



Antenna grows gradually narrower towards the 

 apex, and is arcuate or incurved so as to resemble 

 a sickle. PLATE XI. FIG. 8. 



15. NODOSE (Nodose). When antennae have one, two, 



or more joints larger than those which precede or 

 follow them. PLATE XII. FIG. 5. 



16. MONILIFORM (Moniliformes). Antennae consisting 



of oval or globular joints so as to resemble a neck- 

 lace of beads. PLATE XL FIG. 9. 

 IT. DENTATE (Dentate}. Toothed with teeth whose 

 sides are equal. PLATE XL FIG. 10. 



18. SERRATE (Serratce). Toothed with teeth whose sides 



are unequal like those of a saw. PLATE XL FIG. 

 11. PLATE XXV. FIG. 8. 



19. BISERRATE (Biserratce}. So toothed on each side. 



PLATE XXV. FIG. 18. 



20. IMBRICATE (Imbricate}. When the summit of each 



joint is incumbent upon the base of that which 

 precedes it. PLATE XL FIG. 12. 



21. DISTICHOUS (Distichae}. When the joints in gene- 



ral terminate in a fork. PLATE XL FIG. 13. 



22. CIRRATE (Cirratce). When the joints terminate in 



a pair of curling hairy branches resembling ten- 

 drils. PLATE XXV. FIG. 4. 



