ORISMOLOGY. 271 
other. Ex. Llytra of Dytiscus collaris?, and 
Reeselii. 
18. Unposs (Undosa). Having undulating nearly pa- 
rallel broader depressions which run into each 
other, and resemble the sand of the sea-shore 
when left by the tide. Ex. Cyphus?? undosus K. 
M.S. 
19. VermicuLate (Vermiculata). Having tortuous ex- 
cavations as if eaten by worms. Ex. Prothorar 
of Dytiscus parapleurus K. B., D. transveralis Pk. 
20. RericuLoseE (Retzculosa). Having a number of mi- 
nute impressed lines which intersect each other in 
various directions like the meshes of a net. Ex. 
Prothorax of Dytiscus Reselii. 
21. AcupucTep (Acuducta).. Scratched across very 
finely as if with the point of a needle or pin. Ex. 
Dytiscus acuductus EK. B. 
22. Srriate (Striata). Having rather slightly impressed 
longitudinal parallel lines. Ex. Carabus eneus, &c. 
23. SuucaTeE (Sulcata). Having deeper impressed lon- 
gitudinal parallel lines. Ex. Dytiscus margi- 
nalis 2. 
24, CLATHROSE (Clathrosa). When strias or furrows 
cross each other at right angles. Ex. Abdomen of 
Micropeplus porcatus. 
25. RivosE (Rivosa). When furrows do not run in a 
parallel direction and are rather sinuate. Ex. 
Prothorax of Elophorus stagnalis, &c. 
26. INTERSTICE (Interstitium). ‘The space between ele- 
vations and depressions running in lines. 
@ Tam not certain that the insect here mentioned is a Cyphus 
Germ. ; but it comes near that genus, and is common in Brazil. 
