FOEAMINIFEEA FROM RIVER MERSEY. 59 



N. scapha is very rare, and so also is N. pauperata, which 

 H. B. Brady describes as " Possibly only the starved 

 condition of N. scapha.'' 



Polijstomella, Lamarck. P. striato-punctaia is ever pres- 

 ent, but P. crispa is rather rare. 



List of the Aigburth (K. Mersey) Foraminifera. 



Family II. — Miliolid^. 



Bilomllna elongata, d'Orb., rare, an elongated variety of 



B. rlngens. 

 SpiroloGullna plamdata, d'Orb., rare, and consisting of only 



a few chambers. 

 S. acutimargo, Brady, comparatively common, frequent. 

 Millolliia ohlonga, Mont., rare. 

 M. seminulum, Linn., common. 

 *Jf. auheriana, d'Orb., very rare. 

 *iVf. sclerotica, Karrer, very rare. 

 M. suhrotunda, Mont., very common. 

 M. fusca, Brady, rare. 

 Adelosina hicornis, W. and G., rare. 



Ophthalmldium inconsfans, Brady, comparatively common. 

 Cornusp)ira involve iis, Kss., common. 



Family IV. — Lituolid^. 



Reopliax nodulosa, Brady, rare. 

 Haplophragmium canariense, d'Orb., common. 

 Ammodiscus gordialis, J. and P., specimen doubtful. 

 * Trochamniina sqitamaia, J. and P., rare. 

 *T. ochracea, Will., rather rare. 



* Those species marked with a star are new to the L.M.B.C. district. 



