6 ECHrSfODERMA OF THE INDIAN MlJSEUM, PART VII. 



and by Hathrometra in the Atlantic, Solanomafra .^nd Hathromelra between then) 

 containing more species than all the other genera of the subfamily combined ! In 

 the East Indian region we find that 19 of the comatulid genera belong to the sub- 

 order Macrophreata, while 50 belong to the suborder Oligophreata ; and of the 

 species about 70 are macrophreata, and 280 oligophreata. Taking the remaining 

 regions of the world together, we find the proportions between these two suborders 

 just reversed, and the macrophreata forms far to outnumber the oligophreate , the 

 latter being entirely absent from large areas, such as the Arctic and Antarctic 

 seas and the western coast of North and South America. 



A graphic idea of the composition of the East Indian crinoid fauna may be 

 gathered from the following table : — 



[Note. — The figures given in the preceding discussion and in the above table 

 are approximate only ; since the discussion was written and the table prepared a 



