1 882.] Representing the order Phylhcarida. 869 



14, through the same specimen at the end of the thorax, the 



heart (/it) is of its 



ccecal tubes, the series of four lower ones being the four posterior 



tubes described by Claus d*0$$>$\ (2* ?~\ 



as passing back into the ^ \\ , 



abdomen. In this sec- /JfK/^"^ ¥*%$ zuL_>TOi 



tion the dorsal muscles // Jj^ /UiS' 1 tr } C^\ \m 



(dm) of the posterior / Ox^R 



part of the body appear, / 



and the ventral muscles 0l: j 



(vm) are larger than in 



section 9, while the ova- 



The heart of Nebalia 

 is a long straight tube a 

 little thicker just in front 

 of the middle, beginning 

 over the maxillae just in 

 front of the 1st thoracic 

 segment (tergite) and ex- 

 tending to the middle of 

 the 4th abdominal seg- 



Claus includes Neba- ,, 

 lia among the Malacos- ° 



«./ 



■ugh the end of thomx of 



