der niederen Thiere während des Jahres 1860. 335 



Disk perfeclly reciactile. CoUimn destitute of suckers. Sp. A. dian- 

 thus Ellis. 



Gen. Sacjar lia Gosse. Tentacles modcrately long, slender. 

 Disk perfectly retractile. Colnmn furnished wilh suckers. Sp. S. 

 bellis Ellis, S. miniata Gosse, S. rosca Gosse, S. oinata Iloldsw., S. 

 ichthyostoma n. sp., S. venusta Gosse, S. nivea Gosse, S. sphyrodola 

 Gosse, S. pallida Holdsvv., S. pura Gosse (= S. pellucida Alder), S. 

 coccinea Zool. Dan , S. troglodytes Johnst., S. viduata Zool. Dan., S. 

 parasitica Couch (= A. effoeta Rapp.), S. (?) chrysosplenium Cocks. 



Gen. F hei Ha Gosse. Tentacles moderalely long, slender. 

 Disk perfeclly retractile. Colunin clothed with a rough epidermis. 

 Sp. Ph. niucrocincta Gosse, Ph. gausapata Gosse, Ph. picta n. sp., 

 Ph. Brodricii n. sp. 



Gen. Ada msi a Forb. Tentacles moderately long, slender. 

 Disk imperfectly retractile. Base annular. Parasitics on shells. Sp. 



A. palliata ßoh. 



Gen. n. Gregoria. Tentacles moderately long, slender. Disk 

 imperfectly retractile. Base entire. Kot parasitic. Sp. n. Gr. /"e- 

 nestrata. 



Fam. 2. Änthe adae. Tentacles simple. Column imperforate, 

 smooth. Margin simple. 



Gen. Aiptasia Gosse. Mouth normal. Skin smooth. Column 

 long, trumpet-shaped, furnished with acontia and cinclides. Sp. A. 

 Couchii Forb. 



Gen. Anthea Johnst. Mouth normal. Skin smooth. Column 

 Short, broad, destitute of aconthia and cinclides. Sp. A. Cereus Ellis. 



Fam, 3. Actiniad ae. Tentacles simple. Column imperforate, 

 smooth. Margin beaded. 



Gen. Actinia L. Skin smooth. Destitute of aconthia. Sp. A. 

 raesenibryanthemum Ell. 



Fam. 4. B uno didae. Tentacles simple. Column imperforate, 

 warted. 



Gen. Tealia Gosse. Disk and tentacles retractile. Tuhercles 

 conspicuous, of one kind only in the form of rounded warts, irre- 

 gularly scattered. Sp. T. digitata Zool. Dan., T. crassicornis Zool. Dan. 



Gen. Bunodes Gosse. Disk and tentacles retractile. Tuher- 

 cles conspicuous, of one kind only, arranged in vertical lines. Sp. 



B. gemmacea EH., B. thallia Gosse, B. Baillii Cocks, B. corona- 

 tus Gosse. 



Gen. Hormathia Gosse. Disk and tentacles retractile. Tu- 

 hercles conspicuous, of one kind only, arranged in a Single horizon- 

 tal line. Sp. H. Margaritae Gosse. 



Gen. Bolocera Gosse. Disk and tentacles not retractile. Tu- 

 hercles conspicuous. Sp. B. Tuediae Johnst., B. eqves n. sp. 



