the Echinodermata of the Arctic Expedition. 451 



ASTEROIDEA. 



Astcracanthion groenlandicus, Stp. 



polaris, M. 6f T. 



palseocrystallus, nobis. 



Stichaster albulus (Stimjis.), Vernll. 

 Crossaster papposus (Linck), M. Sf T. 

 Solas ter endeca {Linn.), Forbes. 



furcifer, v. Dilb. Sf Kor. 



Pteraster miiifcaris (0. F. M.), M. ^ T. 



OPHIITKOrDEA. 



Opbioglypha Sarsii (LiitJc), Lym. 



robusta (Ayr.)., Lym. 



Stuwitzii (Liitl:), Lym. 



Ophiocten sericeum {Forb.), Ljungm. 

 Ophiopholis bellis (Linck), Lym. 

 Amphiura Holbolli, Liltk. 

 Opbiacantha spinulosa, 31. Sf T. 

 Astrophyton arcticum {Tjeach). 



Ceinoidea. 



Antedon Eschricbtii {MiiJl.). 

 celtica, Barrett. 



HOLOTHUEOIDEA. 



Cucumaria frondosa (Gunner.), Forbes. 



Holothuria frondosa, Gunnerus, Act. Holm. 1767, p. 115, tab. iv. f. 



1-2. 

 H. pentactes, O. F. Miiller, Zool. Dan. vol. iii. p. 54, vol. iv. p. 3 ; Fabri- 



cius, Fauna Gronl. ; Zool. Samlinger, '2 Heft, no. 249, p. 249, 

 H. yrandis, Forbes & Goodsir, Athenaeum, no. G18. 

 Pentacta frondosa, JJiger, de Holotb. p. 12; Stimpson, Syn. Marine 



Invert. Grand Manan, p. 16. 

 Cucuinaria fro7idosa, Forbes, Hist. Brit. Starfishes, p. 209 ; v. Diiben 



& Koren, K. Vet.-Akad. Haudl. 1844, p. 293. 

 C.fucicola, Forbes & Goodsir, Athenaeum, no. 618; Forbes, Hist. 



Brit. Starfishes, p. 227; in Append. Dr. Sutherland's Joum. of 



Penny's Voyage. 

 Botryodactyla grandis, Ayres, Proc. Boston Soc. Nat. Hist. 1854, 



vol. iv. p. 52. 



Coll. Feilden : Baffin's Bay. 



A Cucumaria with smooth tough body, of subpentagonal 

 ovate form. Ambulacral suckers arranged in five longitudi- 

 nal series, each being a double row, with the tube feet alter- 

 nating. Suckers capable of entire retraction. Tentacles ten, 

 pedunculate, frondose, all of equal size. 



This Holothurian has a very extensive geographical distri- 

 bution, being chronicled by Forbes, under the name of C. 



31* 



