193 



the posterior lines ; and, on the upper end of ster- 

 num for the anterior lines, as their points of con- 

 nection with the head. 



§ 164. We subjoin a tabulated view of the move- 

 ments of setting up when commencing with the 

 ophidian S. It will not, however, in practice be 

 necessary to follow out the details. We shall num- 

 ber the methods proposed for setting up with a 

 view to after reference. 



