184 PEOF. p. M. dtjncak's eeyision of the 



Grenus Euehodia, d^Archiac ^ Saime, 1853, Anim. foss. de 

 Vlnde, p. 214 ; Duncan 8f Sladen, 1881, Pal. Ind. ser. xiv., 

 Foss. Uch. W. Smd, p. 69. 



The test is large, stout, elongate, oval, truncated posteriorly, 

 broad in front, depressed, slightly rounded abactinally, slightly 

 concave actinally, and tumid at the ambitus. 



Apical system small, excentric in front ; four perforated basal 

 plates ; madreporite central. 



Ambulacra forming a small abactinal rosette, they are small, 

 unequal, the anterior not petaloid, and more open than the others ; 

 pores of pairs unequal. 



Peristome large, excentric in front, elongate longitudinally, 

 pentagonal ; floscelle highly developed, especially the bourrelets, 

 a pitted median actinal surface. Periproct elongated trans- 

 versely, supramarginal, in a shallow basal groove, which becomes 

 shallow posteriorly, and is surmounted by a rounded roof. 



Fossil. Eocene : Asia (W. Sind). 



Genus Paealampas, Duncan Sf Bladen, 1882, Pal. Ind. ser. xiv., 

 Foss. Fch. W. Sind, p. 72. 



Test small, high, even hemispherical, longer than broad, tumid 

 above, especially posteriorly, the margin tumid, suboval, and 

 may be overhung by the wider test above ; the posterior part of 

 the test precipitous and with a rostrum high up and overhanging 

 the periproct ; actinal surface concave. 



Apical system slightly excentric in front ; four perforated basal 

 plates ; the madreporite in the right anterior and passing centrally, 

 and separating the basals on either side. 



Ambulacra petaloid, short, subequal, or the anterior the larger 

 and longest and well developed ; poriferous zones with oblique 

 and circular pores. Interradia very narrow at the apical system. 



Peristome pentagonal, more or less excentric in front, slightly 

 wider than long ; floscelle well developed, with wall-like bourrelets. 

 Periproct suboval, elliptical, broad, placed high, supramarginal, 

 with a defined groove below it. 



Tubercles small, uniform, crowded, equidistant, sunken in 

 scrobicules, most widely spaced actinally. 



Fossil. Eocene : Asia ("W". Sind). 



