180 Frederick Cluipman : 



National Museum. It is a comparatively large foi-m, with iew 

 cirrus sockets and a low lentiodorsal. 



Ajfi7iities. — One of tlie noarest allied forms to the aVjove species 

 appears to be Anterlon iiKirronema, Miller sp..l a Feather-star 

 which has been recoided by the " ChalleTiger '' from Port Jacksoih 

 at 30-35 fathoms; and is also found in King Geoi'ge's Sound and 

 Port Stephens. 



Occurrence. — Centrodorsals (2 examples). Bore 11, 430-432 feet. 

 Brachials (probably of this species). Bore 3, 226 feet. Bore 4, 

 163-170 feet. Bore 11, 430-432 feet; 438-440 feet; 440-442 feet; 

 442-446 feet; 446-448 feet; 457-458 feet; 540-542 feet; 546-548 

 feet; 558-560 feet; 560-562 feet; 562-564 feet. 



Antedon, sp. (Plate XV ill., Fi-. 19). 



Observations. — A eiirus joint of a larger species than that de- 

 scribed above as A. protonKicronenid occurs in the polyzoal limestone- 

 of the Mallee. It may be referable to the Mount Gamljier and Tor- 

 quay species before noticed. 



Occurrence. — Bore 11, 560-562 feet. 



ASTEROIDEA. 



PHANEROZONIA. 



Genus PENTAGONASTEK. Linck. 



Pkntagonastku sp. (Plate X VITI , Figs. 20, 21 ). 



Ohservatiotis. — Marginal plates of a large species of Sliield-star 



have already been recorded by Dr. T. S. Hall^ from the Lower avid 



Upper beds of Muddy Ci-eek ; and also from Spring Creek. Waurn 



Ponds and Batesford. 



In the Mallee boi-ings the genus /'c/ifai/nna.vfer is well distributed 

 through the polyzoal rock series, and repi-esented both by subtri- 

 angular plates from the margin, and subpolygonal to rounded 

 plates of the abactinal area. A few of the plates met with are 

 covered with minute tulirrcles, as in those of the common living 

 Fentagonastcr (nir<(l(i . 



Occurrence.— BoYQ 3, 226 feet. Bore 11, 197-590 feet. 



1. Seel', n. C.-ii-pciitcr. l{el>oi-t cm the ('(iiimtiilac, (hall. lie).. Zoo 

 p. -212. 

 •I. I'roc. \Xoy. Soc, Viotoriu, ' 



