256 ECHINODERMA OF THE INDIAN MuSEUM, PART VII. 



becoming oblong, at first half again as broad as long, then gradually increasing 

 in length and after about the middle of the arm being about as long as broad 

 and in the terminal portion half again as long as broad ; the great eversion of 

 the brachials gradually dies awaj' as the segments become oblong, giving place 



Fig 49. — Comaslfocrinns springiri. 

 The stem. 



to a slight prominence of the distal edge which in the terminal part of the arm 

 becomes a rather strong overlap. Syzygies occur between the second and third 

 (or third and fourth) brachials (more rarely between the fourth and fifth), again 

 between the fifteenth and sixteenth to thirty-first and thirty-second (usually in 

 the vicinity of the twentieth) and distally at intervals of from four to nineteen 



