GEOGRAPHICAL DISTRIBUTION. 



List of the Alcyonaria (Pennatulacea excepted) obtained during the Voyage of the 

 Challenger, arranged in the order of the Stations at which they occurred, with informa- 

 tion as to the depth and nature of the sea bottom. 



Station IV.— January 16, 1873 ; lat. 36° 25' N., long. 8° 12' W., off Cadiz ; depth, 600 

 fathoms ; bottom, blue mud. 



Strophogorgia challengeri, n. sp. 



Station 3.— February 18, 1873; lat. 25° 45' N., long. 20° 14' W., south-west of the 

 Canary Islands; depth, 1525 fathoms; bottom, hard ground. 



Acanella arbuscula, Johns. Anthomastus canariensis, n. sp. 



Pleurocorallium johnsoni, Gray. 



Station 23.— March 15, 1873; lat. 18° 24' N., long. 63° 28' W., off Sombrero Island; 

 depth, 450 fathoms ; bottom, Pteropod ooze. 



Acanella eburnea, Pourtal. 

 Primnoella distans, Studer. 



Juncella barbadensis, D. and M. 

 Clavularia tubaria, n. sp. 



Station 56.— May 29, 1873; lat. 32° 8' 45" N., long. 64° 59' 35" W., off Bermuda; 

 depth, 1075 fathoms; bottom, coral mud. 

 Acanella simplex, Verrill. Sympodium armatum, n. sp. 



Off Bermuda ; shallow water. 



Plexaura valenciennesi, n. sp. Pseudoplexaura crassa (Ell. and Sol.). 



Gorgonia Jlabellum, L. 



Station 70.— June 26, 1873; lat. 38° 25' N., long. 35° 50' W., west of the Azores ; 

 depth, 1675 fathoms; bottom, Globigerina ooze. 



Strophogorgia fragilis, n. sp. 



(zool. chall. exp. — :PAKT lxxxi. — 1889.) Mmmm 3 



