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No. VIII.— ALCYONAHIANS COLLECTED ON THE PERCY SLADEN TRUST 

 EXPEDITION BY Mr. J. STANLEY GARDINER, M.A., E.R.S. 



Paiit I. — The Axifer.v. By Prof. J. Arthur Thomson, M.A., and Mr. E. S. Russell, M.A. 



Part II. — The Stolonifera, Alcyonacea, Pseudaxonia, and Stelechotokea. By Prof. J. Arthur 

 Thomson, M.A., and Miss Doris L. MacKinnon, B.Sc., Carnegie Scholar, University 

 of Aherdeen. 



(Communicated by J. Stanley Gaedinee, M.A., F.R.S., F.L.S.) 



(Plates 6-14.*) 

 Kead 30th June, 1909. 



Part L— AXIFERA. 

 £^ J. Arthuk Thomson and E. S. Russell. 



The Axifera reported on in this part of the paper were collected in 1905 hy Mr. J. 

 Stanley Gardiner, chiefly at the following localities : — Salomon Islands (Chagos Archi- 

 pelago), Seychelles, Amirante Isles (Seychelles Group), Providence Island (Earquhar 

 Group), and Saya de Malha Bank. 



The collection includes the following 50 species of Axifera, of which 11 are new : — 



AXIFERA. 



Family Dasygorgid.e. 

 Chrysogorgia orientalis, Versluys. 



Family Isid.k. 



Ceratoisis sp. 



Family Pkimnoid.e. 



Caligorgia pennacea, Versluys. 

 Stachyodes allmani (Wright and Studer). 



„ parva, Versluys. 



„ clavata, Versluys. 



Plumarella delicatissima, Wright and Studer, 

 var. dentata, n. 



Family MuRiCEiDyE. 

 Acanthogorgia aspera, Pourtales. 



,, ceylonensis, Thomson and Hen- 



derson. 



,, inermis, Hedluud. 



„ muricata, Verrill. 



„ truncata, Studer. 



„ tenera, sp. n. 



Anthogorgia sp. 

 Calicogurgia robusta, sp. n. 



„ ,, var. rosea, n. 



„ rigida, sp. n. 



Echinogorgia j>seudosasappo, Kcilliker. 



* I have to thank the Carnegie Trust for a grant, which paid the artist who drew the plates, and for Plate 14, 

 leaving a small halance towards the cost of the color -ed plates. — J. A. T. 



SECOND SERIES. — ZOOLOGY, VOL. XIII. 19 



