594 



t)R. P. E. BEDDARD ON 



internal structure is different from that of the former species. 

 Before examining it anatomically it was, of course, impossible to 

 say whether or no these worms belonged to the genus referred to, 

 and even now it is possible that they may be of the same species as 

 one or more of those which Janicki has — provisionally, at any rate, 

 — assigned to the genus Inermicapsifer. They are, however, 



Text-fij?. 79. 



Hyracotania liyracis. X 2. 



clearly not members of that genus, as the following account of 

 their structure will prove. Nor can I, with any confidence, refer 

 them to any other known genus. Hence I propose the above name, 

 which is indicative of their habitat. I shall enquire later as to 



