THE MOUNT DESEET REGION 75 



Trocliamminidae 

 Trochammina Parker and Jones 

 T. iNFLATA (Montagu). In mud, from shore to 68 feet. 

 Stations: S21;D112. 



Lagenidae 

 Marginulina d'Orbigny 

 Specimens of this genus occur on blue clay at a depth of 

 210 feet. An identification has not been possible. 

 Station: D 150. 



Nodosaria Lamarck 



N. FiLiFOEMis d'Orbigny. This species is new to New Eng- 

 land and the identification is open to question. On mud, 

 depth 45 feet. 



Station: D 76. 



Lagena "Walker and Jacob 



L. acuticosta Reuss. On muddy sand, gravel, and shell 

 bottoms, depth 49 to 87 feet. Our most common Lagena. 



Stations : D 14, 19, 83. 



L. gracillima Seguenza. This species is new to New Eng- 

 land. In mud, depth 68 feet. 



Station: D 112. 



L. perlucida (Montagu). This also is an addition to the 

 New England fauna. On gravel, depth 72 feet. 



Station: D 115. 



L. substriata Williamson. This species is also new to New 

 England. Found with the preceding species. 



Polymorphinidae 

 Globulina d'Orbigny 

 G. GLACiALis Cushman and Ozawa. (1930, pi. 15, figs. 6, 7.) 

 This has only been found previously in New England as a fos- 

 sil in the Leda clay at Portland, but is known in the living 

 state from the Maritime Provinces. Our specimens are 0.33 to 

 0.62 mm. long and 0.23 to 0.38 mm. wide. The breadth-length 



