280 ORISMOLOGY. 



25. RIVOSE (Rivosa). When furrows do not rim in a 



parallel direction and are rather sinuate. Ex. 

 Prothorax of Elophorus stagnalis, &c. 



26. INTERSTICE (Inter -stitium). The space between ele- 



vations and depressions running in lines. 



27. INTERVAL (Intervallum). The space between irre- 



gular and scattere3 elevations and depressions. 



28. COMPLANATE (Complanata). A convex or irregular 



surface having a plane slight depression. Ex. 

 Sides of the Prothorax of Prionus cervicornis. 



29. CANALICULATE (Canaliculata). Having a longitu- 



dinal impressed line or channel. Ex. Prothorax 

 of Geotrupes, Broscus cephalotes, &c. 



30. CARINATE (Carinata). Having a longitudinal ele- 



vated line. Ex. Rostrum of Curculio nelulosus. 

 Bicarinate, Tricarinate, &c., having two or three 

 such lines. Ex. Elytra of Silpha recta. 



31. CRISTATE (Cristata). Having one or two very ele- 



vated lines usually crenate. Ex. Prothorax of 

 Pterophylla laurifolia. 



32. PORCATE (Porcata). Having several parallel ele- 



vated longitudinal ridges. Ex. Onthophilus stri- 

 atus. 



S3. COST ATE (Costata). Having several broad elevated 

 lines. Ex. Brachinus bimaculatus, &c. 



34. CLATHRATE (Clathrata}. Having several elevated 



lines which cross each other at right angles. Ex. 

 Abdomen of Micropeplus porcatus. 



35. RETICULATE (Reticulata}. Having many small 



elevated lines which intersect each other in various 

 directions like the meshes of a net. Ex. Lycus 

 reticulatus. Wings of the Libellulina. 



