Naturgeschichte der Anthozoen im Jahre 1882. 687 



spherules on the wall; tentacles transformed by retrograde for- 

 mation into stomidia; circular muscle endodermal. 



P. j^atens n. sp. B. 38° 6' S. L. 88° 2' W. 1825 fd- 

 Familie Sagartidae Gosse (Sagartinae = Phellinae 

 Verrill). 



Hexactiniae with acontia, a strong mesodermal circular 

 muscle and numerous very contractile tentacles; the principal 

 septa, or septa of the first order, only are perfect and at the 

 same time sterile; all the remaining septa are imperfect. 



Sagartia Gosse pro parte. Verrill. Smooth wall and 

 numerous powerfull tentacles, arranged in several rows; with 

 circular oral disk; without anatomically perceptible cinclides. 

 S. sp.? B. 4° 33' S. L. 129° 58' 0. 360 Faden. 



Calliactis Verr. Smooth wall and numerous tentacles, 

 with distinct cinclides which pierce the wall not far from the 

 base in one ar several transverse rows. 



C. polypus Forsk. B. 11° 37' N. L. 123° 32' 0. 

 18 Faden. Cap Verden. 



Cereus Oken. Numerous tentacles and circular oral 

 disk, without cinclides which can be anatomically demonstrated ; 

 wall rough, and covered with knobs. 



C. spinosus n. sp. B. 53° 55' S. L. 108° 35* O. 1950 fd. 

 B. 34° 37' N. L. 140° 32' 0. 1875 fd. 



Phellia Gosse. With rough cuticular sheath, which 

 is firmly attached to the epithelium and leaves the upper part 

 of the wall free; the latter is smooth and becomes inverted 

 during contraction; cinclides not demonstrable anatomically; 

 tentacles small and few in number. 



Ph. pectinata n. sp. B. 49° 24' S. L. 74° 23' W. 147 fd. 

 Bunodes Gosse. With numerous papillae on the wall, 

 which are placed in regulär longitudinal rows, corresponding 

 to the interseptal Spaces. 



B. minuta n. sp. B. 46° 16' S, L. 48° 27' 0. 1600 fd. 

 Familie Amphianthidae Herhvig. 



Hexactiniae, which are attached to the axial skeletons of Gor- 

 gonidae with shortened sagittal and elongated transverse axis; 

 Transverse axis lying parallel to the axial skeleton of the 

 Gorgonia; circular muscle mesodermal; the principal septa 

 only perfect and sterile. 



Dahin gehört unter Anderem Actinia S. Catharinae 

 und Gephyra Dohrnii. 



Stephanactis n. g. With firm wall, divided by a circular 

 swelling into an upper and a lower section ; tentacles numerous, 

 arranged in several rows, decreasing in size from within outwards. 

 Arch. f. Naturgesch. IL. Jahrg. 2. Bd. UU 



