AMPHIURA. 117 



Distribution. North Atlantic (east side) ; Mediterranean. To 

 20 fms. 



a, b. Kenmare River. Sir P. Egerton. 



c. Dundrum, co. Down, August 1836. Belfast Nat. Hist. Soc. 



d. Tenby. 



e. Old British Collection. 

 f-j. No history. 



3. AMPHIURA. 



Amphiura, Forbes, Linn. Trans, xix. (1845) p. 149 ; Liitk. K. Dansk. 

 Selsk. Shift, v. (1859) p. 54; Norm. Ann. fy Mag. xv. (1865) 

 p. 107; Lyman, III. Cat. M. C. Z. i. (1865) p. 115 ; 'id. Chall. Rep. 

 Oph. (1882) p. 122. 



No tooth-papillae ; teeth ; mouth-papillae small, not numerous. 

 Disk small, with naked radial shields and imbricating scales. Arms 

 long, sometimes very long ; arm-spines short, stout and solid. 



Key to the Species. 



A. Two mouth-papillas on each side. 



i. Two tentacle-scales. 



5-8 arm-spines ... 1. A. chiajii. 



4 arm-spines 6. A. bellis. 



ii. No tentacle-scales. 



Arms very long 2. A.Jiliformis. 



Arms not long 5. A. borealis. 



B. Three mouth-papillae on each side. 



i. Two tentacle-scales 3. A. elegans. 



ii. No tentacle-scales 4. A. securigera. 



1. Amphiura chiajii. 



Asterias filiformis, Delle Chiaje, Mem. An. Nap. ii. (1825) p. 359 



(non Asterias filiformis, O. F. M.). 

 Amphiura chiajii, Forbes, Trans. Linn. Soc. xix. (1843) p. 151, 



pi. xiv. figs. 14-18 ; Liitk. Vid. Medd. 1856 (1857), p. 109 ; Sars, 



Nyt Mag. x. (1859) p. 30, pi. i. figs. 8-10 ; Liitk. Vid. Selsk. 



Skrif. Kjbbenh. v. (1859) pi. 57, pi. ii. figs. 12 a & b ; Sars, Norg. 



Fch. (1861) p. 17; Duj. § Hupe, Echin. (1862) p. 253; Heller, 



SB. Akad. Wien, xlvi. (1863) pp. 425 & 444: Lyman, III. 



Cat. Mus. C. Z. i. (1865) p. 119; Norman, Ann. fy Mag. xv. 



(1865) p. 107; Ljungman, (Efv. Vet.-Akad. Fork. 1866 (1867), 



p. 318 ; Heller, Zooph. u. Echin. Adriat. 1868, p. 61 ; Lyman, III. 



Cat. Mus. C. Z. viii. (1875) pi. v. fig. 61 ; Mbbius fy Biitschli, 



JB. Coram, deutsch. Meer. ii. & iii. (1875) p. 145; Ludwig, Mitth. 



zool. Stat. Neap. i. (1879) p. 550; Lyman, Chall. Rep. Oph. (1882) 



p. 123 ; Hoyle, Proc. R. Soc. Ed. xii. (1884) pp. 709, 711, 715 ; 



id. Proc. R. Phys. Soc. viii. (1884) p. 139 ; Bell, Ann. N. H. xx. 



(1887) p. 411; Fjelstrup, Zool. Dan. Pigh. (1890) p. 27, pi. iii. 



fig. 2. 

 Amphiura florifera, Forbes, Trans. Linn. Soc. xix. (1843) pi. xiv. 



figs. 14-18 ; Duj. # Hupe, Echin. (1862) p. 235 ; Lyman, III. Cat. 



M. C. Z. i. (1865) p. 12. 



