13 

 Lingulina carinata var. biloculi, nov. (pi. II., fig. 10). 



Lingulina carinata ? Sidebottom, 1907, Rec. For. Island of Delos, Man- 

 chester Memoirs, Vol. LI., No. 9, p. 3, pi. I., figs. 18, 19? 



Test two chambers of about equal size, surface smooth, peripheral edge 

 rounded, short entosolenian tube, aperture oval. Very minute in size. 



Frequent at both Mageramornc and Limavady Stn. , upwards of 20 specimens 

 found at both places. 



As a recent form it is very rare, a few specimens were found in a muddy 

 shore gathering, east of Horn Head bridge, Sheep Haven. 

 Prondicularia Millettii, Brady, (pi. II., fig. 11). 



Frondicularia Millettii, Brady, 1884, Chall. Rept., p. 524, woodcut 16a, b. 



Limavady Station, very rare. Recent, between tides at Rockport, Belfast 

 Lough, and east of Horn Head bridge, Sheep Haven. At both places very rare. 

 Ramulina lsevis, Jones, (pi. II., fig. 12). 



Ramulina Levis, Jones MS. 1875 5 Wright, Rept. Proc. Belfast Nat. F. CI., 

 1873-74, App. III., 1875, P- 88, pi. III., fig. 19. 



Ramulina Icevis, Balkwill & Millett, 1884, Journ. Micr. III., p. 83, pi. IV., 



fig- 7- 



Limavady Station, very rare. Very small in size. Recent, Gal way Bay, 

 between tides, one specimen (Balkwill & Millett) ; east of Horn Head bridge, 

 Sheep Haven, rare (6 specimens), very small in size. 

 Spirillina limbata var. denticulata, Brady, (pi. II., fig. 13). 



Spirillina limbata, var. denticulata, Brady, 1884, Chall. Rept., p. 632, pi. 

 LXXXV., fig. 17. 



Limavady Station, very rare. 

 Discorbina Millettii, nov. (PI. II., figs. 14-17). 



Test free trochoid depressed, consisting of three convolutions with 3 to 4 

 segments in each, superior face smooth, inferior slightly depressed, ornamented 

 with faint interrupted stria; radiating from the umbilicus, peripheral edge acute. 

 Named after Mr. Fortescue W. Millett, F. R. M.S. This lovely form is closely 

 allied to Discorbina rosacea, but differs from it in the inferior side being 

 ornamented. As only one poor specimen was found in the Limavady clay, those 

 figured are from better examples dredged off the west coast of Ireland 36-79 

 fathoms. Recent, Irish specimens have also been obtained off the Gobbins, Co. 

 Antrim, 59 fathqms ; off the Skerries, Co. Dublin, 17 fathoms; and off Kinsale, 

 Co. Cork, 12-13 fathoms. 

 Discorbina vesicularis, Lamarck sp. (pi. II., figs. 18-20). 



Discorbites vesicularis, Lamarck, 1804, Ann. du. Museum, Vol. V., p. 183 ; 

 Vol. VIII. , pi. LXIL, fig. 7. 



Magheramorne, very rare. 



Recent, dredged off Carnlough 5 fathoms ; in shore gatherings at Rockport, 

 Helfast Lough (Samuel M. Malcomson, M.D.); Brown's Bay, near Carrigtwohill, 

 Co. Cork; east of Horn Head bridge, She p Haven; Fahan, Lough Swilly, 

 very common ; and Dundrum, Newcastle, Co. Down. 



