Ob 



BULLETIN OF THE 



P. michellniana 

 P. canariensis 

 Truncatulina lohatula 

 Puhinulina elegans 

 Biloculina depressa 

 Haplophrar/mium fflobif/eriiiiformis 

 Hi/iieramml/ia vacjans 

 Ammodiscus charoides 

 Noniotiina umhilicatula 

 N. pompilioides 

 Vcifjcrina afiperida 

 Clamdiiia communis 

 Rcophax (fragments). 



Globigerina iiijtata 



G. rubra 



G. dubia 



G. (eqiiilateralis 



G. sacciilifera 



G. conglobata 



G. buUoides, var. triloba 



G. (Orbulina) unicersa 



Candeinu nitida 



PuUenia obliqidloculata 



Bphccrulditia dehisce ns 



Pulcinulina menardii 



P. menardii, var. tumida 



P. menardii, \'A\\Jimbriata 



Residue, SS.H per cent, light brown, consists of Minerals [30.00], m. di. 

 O.L mm. (mostly rounded), quartz, felspar, mica, hornblende, glanconite, magne- 

 tite, tourmaline. Siliceous organisms [3.00], Sponge spicules and lladiolarians. 

 Fine washings [25.14], argillaceous matter, fine mineral particles, and fragments 

 of siliceous organisms. 



Specimen 15, Line F'. — Lat. 27° 55' N. Long. 89° 53' W. 17 March, 1875. 

 Depth, 407 fathoms. A gray mud, clayey, coherent, plastic. 



Carbonate of Calcium, 10.27 per cent, consists of otoliths of fish, Pteropod 

 fragments, and the following Foraminifera : — 



Pulvinulina pawperata 

 P. elegans 



Globigerina rubra 



G. dubia 



G. buUoides 



G. (equilaieralis 



G. sacculifera 



G. {Orbulina) unicersa 



Pulvinidina menardii 



P. menardii, var. tumida 



P. micheliniana 



PuUenia obliqidloculata 



Biloculina ringens 



Planispirina celala 



PuUenia spharoides 



^ Pelagic 

 species. 



Haplophragmium globigeriniformis 



Chilostomella ovoidea 



Bolicina anariensis 



Bulimina marginata 



Sagrina columnella 



Virgulina subsquamosa 



Truncatulina lobatula 



Uvigerina ])ggma;a 



U. asperida 



Lagena orbignyana 



L. sp. 



Sphceroidina buUoides 



Residue, 89.73 per cent, light brown, consists of Minerals [10.00], m. di. 

 0.05 mm., quartz, angite, magnetite, felspars, hornblende, and a few small red 

 particles. Siliceous organisms [3.00], casts of Foraminifera, Sponge spicules, and 

 Radiolarians. Fine icashings [70.73], amorphous clayey matter, and fragments 

 of siliceous organisms. 



