FROM THE MERGEI ARCHIPELAGO. 



131 



Family Microporellid^:. 



Microporella, Hincks. 



Microporella yiolacea, Johnston, form plagiopora, Busk. 



[Eschara Fuege^sis, Bush. Provisionally placed in this 

 family.] 



Family Myriozoim: (part.), Smitf. 



SCHIZOPORELLA, ffincJcs. 

 SCHIZOPORELLA BIAPERTA, Miclielin. 



Family Escharid^; (part.), Smitt. 



Lepralia, Johnston (part.). 

 Lepralia roeesta, Hincks *. 



"Zooecia very large, ovate, quincuncial, flattish, separated by a 

 rather deep furrow, which is occupied by a line of large punc- 

 tures ; surface uneven, rather coarsely granulose, usually a small 

 depression in the centre ; orifice large, mucli taller than wide, 

 arched and expanded above, somewhat contracted below, con- 

 stricted a short distance above the inferior margin, which curves 

 outwards ; on each side of the orifice (or sometimes on one side 

 only) a much elongated subspatulate avicularium, which origi- 

 nates some way below the orifice and slants obliquely up- 

 wards to a little above the top of it ; mandible long, blunt 

 and slightly expanded at the extremity, and directed upwards, 

 Ocecium rounded, somewhat prominent, moderate in size, surface 

 roughened." 



Porella, Gray. 

 Porella malleoles, Hincks"]. 



"Zocecia rectangular, disposed in linear series, depressed, sepa- 

 rated by delicate raised lines ; surface covered with small punc- 

 tures and nodulous ridges ; a line of larger foramina round the 

 sides ; orifice arched and expanded above, much contracted below, 

 the margin about the centre projecting inward on each side, 



* Ann. & Mag. Nat. Hist. ser. 5, vol. xiii. p. 360, pi. xiii. fig. 4 (1884). 

 t Ibid. p. 361, pi. xiii. fig. 5 (1884). 



