JOURNAL 



OF THE 



ROYAL MICROSCOPICAL SOCIETY. 



AUGUST, 1917. 



TRANSACTIONS OF THE SOCIETY. 



V. — On some Foraminifera from the North Sea, etc., dredged hy the 

 Fisheries Cruiser " Goldsecher " {International North Sea 

 Investigations — Scotland). IV. On Nouria rugosa : a Neiv. 

 SiKcies of Foraminifera from the Faroe Channel. 



By Edwaed Hekox-Allen, F.L.S. F.Z.S. Pres.E.M.S., 

 and Arthur Earland, F.E..M.S. 



{Read June 20, 1917.) 

 Plate XXIII. 



The genus Nouria was instituted by the authors in 1914,* for the 

 reception of certain Lituolinte isomorphous with the hyaline genera 

 Fohjnior -plana and Bolivina. Three species were then described, 

 from localities as widely separated as Portuguese East Africa, the 

 Philippine Islands, and New Zealand ; two of which species, viz. 

 Nouria harrisii and N compressa, showed strongly-marked selective 

 powers in the utilization of sponge spicules for the construction of 

 their tests. 



A further representative of the genus has since been found 

 which presents the same characteristic habit in a somewhat lesser 



* Trans. Zool. Soc. Lond., xx. pt. 1 (Nov. 1914) pp. 375-9, pi. xxxvii. figs. 1-26. 



EXPLANATION OP PLATE XXIIL 



FIGS. 



1—1. — Notiria rugosa sp. n. Viewei by direct illumination in different positions. 

 X 37. 

 5. — Viewed by transmitted light. The dark area wiihin the dotted lines A 



represents the first or internal chamber, x 37. 

 6. — Detail showing arrangement of spicules viewed by transmitted light, x 150. 



Aug. 13th, 1917 2 B 



