44 



CERIANTHARIA. 



Arrangement of the 

 marginal tentacles 



Arrangement of the 

 labial tentacles 



Approxim- 

 ate number 

 of marginal 

 tentacles 



Family i. Cerian thidae. 

 Pachyccriaitthics solitarius (Rapp.) I 2 (dt) 431, 4231,4231, 



ttcstuarii (Torrey a. Kl.) 



johitsoni » v> 



fimbriatus Mc. Miirr. 

 multiplicatus Carlgr. 



2 Kit) 4 3 1,423 I, 423 I,. 

 2idt)4 3 I, 423 1,4231,. 



monostichus Mc. Mur I 2 alternating cycles 



bcnidtni Roule . 



maua (Carlgr.) 2 (dt) 4 3 i, 4 2 3 i, 4 2 3 i, 



I (dt) I I I, I I I I, I I I I, . 



Ccrianthiis membranaceus Spal! 

 llovdii Ciosse , 



I'ogti Dan 



vaUiii'iae Carlgr. (n. sp.) 



amboncnsis Kwietn. 

 sulcatus Kwietn. . . . 

 latiiiis Mc. Murr. . . 

 borcalis Verr 



2 ldt)4 3 I, 423 1,423 I, 



Ceriantheopsis amcricaiuis (Verr.). 



Family 2. Aeon tif eridae. 

 Arachitan/hus oligopodus (Cerf.) 



» sarsi Carlgr 



(Arachnactis albida Sars) 



( tobiancoi Carlgr.) . 



Family 3. Bot rucnidiferidae. 

 Botnicitidifcr norvegicits Carlgr 



liotruanthus bcncdcni (Torr. a. KI.) 



2(dti3 2i. 3231, 3231,. 

 2(dt)4 3 1,4231, 423 I,. 



at least in 2 cycles 



probably in 2 cycles 



3 cycles 

 2 (dtj I 2 I, 4 2 3 I, 4 2 3 I, . 

 I (dt) 2 I 2, I 2 I 2, I 2 I 2, . 

 ? 



2(<U)4 3r, 4231, 423 I,. 



I (dtl I I I, r 1 I I ... . 

 I (dtl I I I, I I I I . . .? 

 I (dt) I I I, I I I I, ... . 

 I (dt) I I I, I I I I 



' ((It) 431. 3231. 3231. 

 I (dtl 4 32, 3132.3132. 



3 cjcles 



2 (Jt) 3 I 3, 4 2 3 2, 4 3 I 2, . 



2 (dtl 3 I 2, 4 23 2, 43 I 2, 

 o(dt|o. . .? 



I cvcle 



o(dt). 



4312, 



2 (dt) 3 I 3, 4 2 3 2, 4 3 I 2, . 



o (dt) 3 2 3, 4 I 3 2, 4 3 I 2, . 

 424 2 



4 (tit) o 2 3, 4 1 3 2, 4 3 I 2, . 



o(dt) I 23, 23 23, 23 2 3 . 



2 (dt) 4 I 3, 4 t 3 2, 4 3 I 2, 

 2 (dtl 4 3 1,342 1,342 I, 



2 (dt) 4 I 3, 4 2 3 2, 4 3 I 2, 



o(dt) I I I, I r r I 



o (dt) 011,1111? 



(dtl (II I, I I I I . . . . 



1 (dt) I 1 I, I I I I 



o (dt)o 11,1111,.... 



Directive 



labial 

 tentacle 



present 



35 



100 125 present 



21? 



15 

 16 



34 

 90 — 100 



absent 

 absent ? 



absent 

 present 



absent 



