142 THE VOYAGE OF H.M.S. CHALLENGER. 



clifFereiit under arm plates, and coarser, more irregular scaling. Colour in alcohol, 

 greyish. 



Station 156.— February 26, 1874 ; lat. 62° 26' S., long., 95° 44' E. ; 1975 fathoms; 

 diatom ooze. 



Species of Amphiura not herein described. 



Amphiura crassipes, Ljn., Oph. Viv. Of. Kong. Akad., p. 319, 1866 ; Dr.Goes, Oph. 

 Of. Kong. Akad., p. 642, 1871. 



Atlantic, off Rio de Janeiro ; 45 fathoms. 



Amphiura verticillata, Lju., Oph. Viv. Of. Kong. Akad., p. 320, 1866. 

 Galapagos Island. 



Amphiura divaricata, Ljn., Oph. Viv. Of. Kong. Akad., p. 318, 1866. 

 Between Batavia and Singapore. 



Amphiura compdanata, Ljn., Oph. Viv. Of. Kong. Akad., p. 319, 1866 ; Dr. Goes, 

 Oph. Of. Kong. Akad., p. 642, 1871. 

 Atlantic, off Rio de Janeiro. 



Amphiura Candida, Ljn., Oph. Viv. Of. Kong, Akad., p. 318, 1866. 

 Mozambique. 



Amphiura ehiajei, Fbs., Linn. Trans., vol. xix. p. 151, 1843 ; Sars, Mid. Lit. Fauna, p. 



86 ; Ltk., Addit. ad Hist., part 1, p. 57, pi. ii. figs. 12 a, 6; Lym., 111. Cat. Mus. Comp. 



ZooL, part 1, p. 19 ; Ludwig, Echin. des Mittelmeeres, p. 550. 



Aster ias jiUformis, Delle Chiaje (nou 0. E. Miiller), Mem., vol. ii. p. 359, 1825. 



Amphiura florif era (?), Fbs., Linn. Trans., p. 150, 1845. 



Amphiura Stepjanovii, Tscherniawskj^, Protocol, d. Moskauer Naturfor. Versam., 1869. 



Black Sea ; North European Seas ; Mediterranean ; 40 to 120 fathoms. 



Amphiura mediterranea, Lym. 



Amphiura ehiajei (iiars). 



This is the common littoral form oi the Mediterranean. It is distinguished by 

 numerous short, blunt, crowded arm spines. Thus an animal with a disk only 4 "5 mm. 

 in diameter had seven arm spines ; with a disk of 5 mm., six to eight spines ; and with a 

 disk of 6 mm., eight to nine spines. Whereas the northern, or Scandinavian form had 

 these proportions: disk 6 "3 mm., five tapering spines; disk, 8 mm., six spines; disk, 



