470 s. f;(yr() : 



tiud there is jio (loul)t tliiit it is tha species we iiave iu liaud aud thrj Pen- 

 iaceros turrit us of authors. 



Ac'cordinn; to Bell ['84J this species was first describad under the bino- 

 mial system of nomenclature hj Linné in the 12th edition of the " Systema 

 natural"' ^ According. to Müller and Troschel ['42J it is figured in " Museum 

 (lottwaldianum testaceorum, stsllarum marinarum et coralliorum, 1782," and 

 is identical witli the Asterias nodosa of L-UL\iîck, Avhich is descrikid as 

 follows [LAMAFiCK, "1(J, p. 557] : 



" Astérie couronnée. Asterias nodosa. 



"A. radiis (|uiuque carinatis, aculeato-muricatis ; margiuo mutico. 



[References omitted.] 



"Habite l'océan des Grandes-Indes. Cette Ijalle astérie est fort remar- 

 quable par les épines fortes, cuspidiforrae ou glandiformes qui com'onnent le 

 dos de son disque, et qui régnent le Ljng de ses carènes dorsales. Tantôt 

 ces épines sont toutes très-droites ou verticales, et tantôt elles sont diverse- 

 ment inclinées." 



Asteria nodosa L. is simply mentioned by Bl.vinville ['34, p. 238], with 

 references to (Imelin, Linck, Reha and the " Encycl. méthodique." 



Fentaccros franhlinii is placed l3y Gray iq the same group of the genus 

 as his P. Jduculus, and is described as follows ['40, p. 277] : 



" 7. Pcntaceras FranMlnii. Kays elongate, as long as the width of the 

 Iwd}', with a dorsal series of broad blunt tubercles; back high, with very 

 large spines at each angle, margin not armed. 



" Var. 1. With one or two couiciil tubercles on (»leh side of the tul)er- 

 cles, near the one at the angle of the central dorsal disk. 



"Inhab. Coast of New Holland. G. Bennett, Esq. 



" See also Pentaceros turritus. Linck, t. 22. 2:}. f. :>. Like the former, 

 but the back is more spinose, and the spines are not so large." 



The next description of this species is by Müller and Troschel ['42, 

 p. 47] : 



*' Species 5. Greasier turritus Nob. 



1) In the tenth edition of the same -vvork Aateridfi nodosa is doscribed thus : " A. stelliibi 

 radiis oonvexis longitiiilinaliter elevatis niurioutis Habitit in il. Intlico." 



