2, 
ORISMOLOGY. 325 
BrarricuLate (Biarticulate). Consisting of two 
joints. 
- Triarvicutate (Triarticulate). Consisting of 
three joints. 
- QUADRIARTICULATE (Quadriarticulate). Consist- 
ing of four joints. 
- Mucrrarticuiate (Multiarticulate). Consisting 
of many joints. 
l. JOINTS. 
- CaMPANULATE (Campanulate). Bell-shaped. When 
the joints are obconical, with the vertex of the cone 
rounded. 
PaTEeRirorM (Pateriformes). When the joints 
are somewhat dilated and very short, shaped some- 
thing like a shallow bowl. 
PaTELLATE (Patellate). When the whole joint is 
dilated and shaped something like a patella or 
platter. Ex. Prosopis dilatata (Melitta *. b. K.) 
PiaTE XXV. Fic. 12. a. 
. Lopate (Lobate). When they are expanded at 
the tip into a lobe. Ex. Belostoma. Cerocoma. 
Poare Oe Rie. 21.22! 
Torvtose (Torulose). When they are a little tu- 
mid. 
m. APPENDAGES. 
. AuRICULATE (duriculate). When they have an 
ear-like process at their base. Ex. Gyrinus. Par- 
nus. Puate XII. Fie. -29. a. Prats XXYV. 
Fic. 28. a. 
APPENDICULATE (Appendiculate). When they have 
