88 MARINE BIOLOGY OF THE SUDANESE RED SEA. 



Reports on the Marine Biology o£ the Sudanese Red Sea. — VIII. The 

 Alcyonarians. By Prof. J. Arthur Thomson, M.A., and Mr. James 

 M. McQueen, M.A., B.Sc, University of Aberdeen. (Communicated 

 hy Professor Herdman, D.Sc, F.R.S., President.) 



(Plates 5-8 aud 4 Text-figures.) 



[Read 5th December, 1907.] 



This collection of Alcyonarians was made in 1906 by Mr. Cj-ril Crossland, 

 M.A., B.Sc, on and off the shores of the Red Sea, in the course of his 

 investigation of the Sudanese marine fauna. The localities where he 

 collected were : — Suakim, Khor Dongola, Mersa Makdah, Shubuk, Matala, 

 Etuleh, Wadi Lehama, Kal el Kebira, Shab Baya, Rawaya, and Agig. 

 The indefatigable collector has furnished us with a few notes as to the colour 



o 



of some of the living animals. 



The collection includes the following 26 species : — 



I. Stolonifeba. 



Clavidtiria pitlchra, Thomson and Henderson. 

 Sympodium fulvum (ForskSl) . 

 Tubipora purpurea, Pallas. 



II. Alcyonacea. 



Xenia umbeliata, Lamarck. 

 „ ccEndea, Ehrenberg. 

 ,, fuscescins, Ehrenberg. 

 AUymiium spheerophorum (Ehrenberg). 

 Sarcophytum glaucum, Quoy et Gaimard. 

 Sclerophytum gardineri, Pratt. 

 „ querciforme, Pratt. 



„ densum (Whitelegge). 



Lithophytum arboreum, Forskal. 

 „ brassicum (May). 



„ thyrsoides (Ehrenberg). 



„ crosslandi, n. sp. 



,, macrospindatum, n. sp. 



Nephthya zanzibarensis, Thomson and Henderson. 



„ albida (Holm). 

 Spmiyodes hemprkhi, Klunzinger. 

 „ hartmeyeri, Kiikenthal. 



„ suesiana, n. sp. 



„ pharonis, n. sp, 



III. PSKUDAXONIA. 



Melitodes coccinea (Ellis). 



,, splendcns, n. sp. 

 Clathraria rubrinodis, Gray. 



„ acuta, Gray. 



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