60 BULLETIN OF THE 
Residue, 27.79 per cent, reddish brown, consists of Mizerals [6.00], m. di. 
0.15 mm., quartz, hornblende, magnetite, felspar, glassy fragments.  Siliceous 
organisms [10.00], Sponge spicules, Radiolarians, Diatoms. Fine washings 
[11.79], argillaceous and flocculent matter, fine mineral particles, and fragments 
of siliceous organisms. 
Station 41. — Lat. 23°42’ N. Long. 83°13’ W. Depth, 860 fathoms. Surf. 
temp. 73°. Bot. temp. 393°. A white chalky Pteropod ooze, granular; with 
several hard chalky concretions, which are perforated by worms, and in parts 
showing deposits of manganese. 
Carbonate of Calcium, 83.67 per cent, consists of otoliths of fish, Pteropod and 
Heteropod shells, coccoliths, rhabdoliths, and Foraminifera as follows : — 
Globigerina rubra ) Biloculina depressa 
G. inflata Miliolina seminulum 
G. sacculifera M. circularis 
G. conglobata Planispirina celata 
G. dubia Rhabdammina discreta 
G. bulloides, var. triloba t Hyperamina ramosa Raion: 
G. (Orbulina) universa Pelagic Bulimina marginata c living 
Spheroidina dehiscens a a Uvigerina oculata Ps 
Candeina nitida Spheroidina bulloides 
Pulvinulina menardit Truncatulina rosea 
P. menardii var. tumida T. lobatula 
P. menardii var. fimbriata Pulvinulina pauperata ) 
P. micheliniana 
Residue, 16.33 per cent, light brown, consists of Minerals [4.00], m. di. 0.08 
mm., quartz, magnetite, felspar, hornblende, and a few glassy fragments. Si/i- 
ceous organisms (7.00), many Radiolarians, Sponge spicules, and Diatoms. Fixe 
washings [5.33], light brown flocculent and argillaceous matter, with fine min- 
eral particles and fragments of siliceous organisms. 
Station 48. — Lat. 28° 47’ 30” N.. Long. 88° 41! 30” W. Depth, 533 
fathoms. Surf. temp. 66°. Bot. temp. 413°. Mud (river), of a light brown 
color, dark with a greenish tinge when wet, showing Gasteropod shells imbed- 
ded, very coherent, clayey streak, dries into very hard lumps. 
Carbonate of Calcium, 6.43 per cent, consists of a few Gasteropod shells, cocco- 
liths, and the following Foraminifera : — 
Globigerina inflata Pullenia obliquiloculata 
G. conglobata Pulvinulina menardit 
G. bulloides P. menardii, var. tumida 
G. dubia P. micheliniana 
G. rubra Miliolina seminulum 
G. (Orbulina) universa, fragments. Bulimina marginata 
