AcnyozoA- 231 



lobes, Tentades two in number, lateral, 



turned from the mouth. 



Sub-order 2. Eurystamata, 



Family 5. Besoid^ 



J?'>iv ovaL elongated, without oral lobes. 

 Tentadts al:»>ent. 



Here ^e Lave slightly modifei :if "t-_- 15 

 :f G-egenbaur, at the same ri^r ii- : _ 1 : 



appears to be the most iianir.il s-r .7_ t : :_t 

 several femilies. The gronp OiUi :_::-- 



f :r the present be c>jusiderai as merelj j : — , _ _ . 

 Tne four other divisions of C'.erv'r^-:'^? 'L:.~r ':rr- 

 :r?ently elevated by Agassiz t. " - . : - - 



: rdersj and the entire numc«er 0: :_: _ . . t v . 



to ten. This arrangement, however. rT-r-ir _ 

 advantaore over the more sini^lf :.:: " -^ - : 1 ; ..r 

 a^i opted by G-egenbanr. wLiL. i_ . . . i_.:^- 



be regarded as an iniprc"r ; :.._-...:.:_ .: -Jif 

 prior elassidcation of Eschs:^ .::. 



Si-m-K IT. 



I Relations^ to Phy^ieal Elements. — All 



the A:::-.::- :ire niAriLf, 



2. Bathyxuetrical Disitribotion — I'r.n-he 

 whole it Diay be sci:l -:. ;: -le .^ ^rr ^vr- 



abimdant between tide-iiiirks. -u:.i :-j-ciir mdee^ier 



