334 CRISMOLOGY. 



4. QUADRI ARTICULATE (Quadriarticulata). Consisting 



of four joints. 



5. MULTIARTICULATE (Multiarticulattf}. Consisting of 



many joints. 



1. JOINTS. 



- 



1. CAMPANULATE (Campanulata). Bell-shaped. When 



the joints are obconical, with the vertex of the cone 

 rounded. 



2. PATERIFORM (Pateriformes). When the joints are 



somewhat dilated and very short, shaped some- 

 thing like a shallow bowl. 



3. PATELLATE (Patellatai). W T hen the whole joint is 



dilated and shaped something like a patella or 

 platter. Ex. Prosopis dilatata (Melitta*. b. K.) 

 PLATE XXV. FIG. 12. a. 



4. LOBATE (Lobattf). When they are expanded at 



the tip into a lobe. Ex. JBelostoma, Cerocoma. 

 PLATE XL FIG. 21, 22. 



5. TORULOSE (Tonilosa). When they are a little tu- 



mid. 



HI. APPENDAGES. 



1. AURICULATE (Auriculata}. When they have an 



ear-like process at their base. Ex. Gyrinus, Par- 

 mis. PLATE XII. FIG. 29. a. PLATE XXV. 

 FIG. 28. a. 



2. APPENDICULATE (Appendiculata). When they have 



one or two antenniform processes at their base. 

 Ex. Ottocerus. PLATE XXV. FIG. 29. b. 



