A Revised List of British Echinoidea. 411 



1859. Splicer echinus escidenius, Bronn, Klass. u. Ord. d. Thierreiclis, 



p. 337, pi. xxxvii. , figs. 1-3, 5-14, 

 and 16-19 ; pi. xxxix. fig. 6. 



1863. ,, granulans, Agassiz, Bull. Mus. Comp. Zool., i., 



p. 23. 



1884. HpliKrediinus granularis, Carus, Prodr. faun. Medit., i., p. 100. 



Diagnosis. 

 Test very little depressed \ flattened below ; anal system large, 

 with few large plates ; spines strong, short, crowded, violet, with 

 a more or less extensive white tip, or altogether white. 



Distribution. 



British Seas. — Guernsey (Coll. Norman). Jersey (Kcehler ; 

 Manchester Mus.). 



Other Localities. — S.-W. France (Fischer). Portugal (Brit. 

 Mus.). Spain (Coll. Norman, pres. by Don Pedro Antiga). 

 Mediterranean (Copenhagen Mus. ; Coll. Norman ; Carus). 

 Madeira, Cape Verde Is. (Brit. Mus,). Azores (Brit. Mus. ; 

 Copenhagen Mus.). " Challenger," St. 75, 50-90 fms. (Agassiz, 3). 



EcHiNiD^, Agassiz. 

 Test regular ; tubercles imperforate ; sj)ines for the most part 

 short and subulate ; pores in sets of three pairs. 



6. Echinus, Linne. 

 Test spheroidal; primary tubercles imperforate, subequal, in 

 two series both in ambulacra and interambulacra ; other tubercles 

 small and scattered irregularly ; spines of one form. 



10. Echinus esculentus, Linne. 



1758. Echinus esculentus, Linne, S3^st. nat., ed. x., p. 663. 



1841. ,, sphoRra, Forbes, Brit. Starf., p. 149, cut. 



1844. ,, esculentus, Diiben & Koreu, Ofvers, Skand. Ecliin., 



p. 264. 

 1872. ,, ,, Agassiz, Rev. Echin., pp. 122, 491. 



1887. ,, ,, Loven, Ecliin. Mus. Ludov. Ulric, p. 61. 



Diagnosis. 

 Test usually of a pink or reddish tinge ; spines usually 

 pink or white, with one or two violet rings, more rarely white ; 

 primary spines scarcely longer than secondary, giving the appear- 

 ance of being evenly covered with short subequal spines ; in 

 the denuded test the twenty meridians of primary pores are 

 scarcely apparent. 



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