462 CLIMACODIUM. 



GENUS 128. CLIMACODIUM GRUN., 1868. 



Frustules straight, slightly 

 silicious, united into long per- 

 forated chains. Valves with apices 

 elevated, of equal length. Clima- 

 codium differs from Eucampia in 

 the frustules being straight, and 

 consequently the chains also are 

 not curved spirally. 



Only one species of this genus has 

 been described CI. Frauenfeldianum 

 Griin. (fig. 193), which was found by 

 Frauenfeld near Tilan Shong. 



Fig. 193- 

 Climacodiu m Fra uenfeldian it in . 



