prnaea and Lernaeenicus,any significance as organs 

 f locomotion,af ter tne aniiaal nas reached it3 trans- 

 'ormed state. One can almost infer that they 

 erve only to remove the slime from the animal'i 

 ody,or at the most in all tnese de ep ly tour led forms 

 hey remain only toecause they are so well proteeted 

 hat no outslde force can remove them, 



On the ventral surface of the mature animal we 

 ave not toeen atole to find traces of any more appen- 

 ages than those named,or rather we have not toeen 

 ble to discover mouth-parts among the so dense and 

 o toranched processes on the head, tout on the dorsal 

 ide oif thi s region, sometimes toroader , sometimes nar- 

 iirer,tout alivays toleratoly spherical,we have found 

 h all except the oldest spec imens two quite distinct 

 ntem*ae,eomposed of two joints immovatole on one 

 nother and on the head,which form at the ir tip an 

 rregular claw or chela,and remind us of the struc- 

 ures we have already descritoed in Lernaeenicus and 

 ernci.ea,and which are well shown in our figurea* 



From the base of the se antennae there runs toacK- 

 ard over the dorsal surface of the animal an ovate- 

 tnceolate figure of pigment spots,lightly toothed 

 long the margins, and here and there also marlced with 



