the Echinodermata of the Arctic Expedition. 451 



ASTEEOIDEA. 



Asteracanthion groenlandicus, 8tp. 



polaris, M. 6f T. 



palseocrystallus, nobis. 



Stichaster albulus (Jitha'ps.)., Yernll. 

 Crossaster papposus {Linclc), M. <Sf T. 

 Solaster eiideca {Linn.), Forbes. 



furcifer, v. Di/Jj. Sf Kor. 



Pteraster militaris {0. F. M.), M. Sf T. 



Ophittroibea. 



Opbioglypha Sarsii (Liitl:), Lym. 



robusta {Ayr.), Lym. 



Stuwitzii {^Liitl'.), Ijym. 



Ophiocten sericeum {Forb.), Ljungm. 

 Opbiopbolis bellis (Linck), Lym. 

 Ampbiura Holbolli, Liitl: 

 Opbiacantba spinulosa, 31. 4" T. 

 Astrophyton arcticum (LeacJi). 



CRrNOIDEA. 



Antedon Es.chricbtii (Miill.). 

 celtica, Barrett. 



HOLOTHUROIDEA. 



Cucumaria frondosa (Gunner.), Forbes. 



Hohthuria 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 Hett, no. 249, p. 249. 

 H. f/randis, Forbes & Goodsir, Athenaeum, no. 018. 

 Pentacta frondosa, Jager, de Iloloth. p. 12 ; Stimpson, Syn. Marine 



Invert. Grand Manan, p. IG. 

 Cucumaria frondosa, Forbes, Hist. Brit. Starfishes, p. 209; v. Diiben 



& Keren, K. Vet.-.'Uiad. Handl. 1844, p. 2!J8. 

 C. fucicola, Forbes & Goodsir, Athenseum, no. 018 ; Forbes, Hist. 



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



Penny's Voyage. 

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



vol. iv. p. 52. 



Coll. Feilden : Baffin's Bay. 



A Cucumaria with smooth tougli 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 G. 



31* 



