MUSEUM OF COMPARATIVE ZOOLOGY. | 57 
Specimen 40, Line P’.— Lat. 25° 31’ 45” N. Long. 90° 28’ W. 13 May, 
1875. Depth, 1,922 fathoms. A dark brown Globigerina ooze, coherent, plastic. 
Carbonate of Calcium, 36.54 per cent, consists of Echini spines, Ostracode 
valves, coccoliths, and the following Foraminifera : — 
Biloculina depressa Pullenia obliquiloculata 
Miliolina sp. Bottom-living Spheroidina dehiscens 
Truncatulina lobatula species. Candeina nitida 
Nonionina pompilioides Pulvinulina menardii 
Globigerina rubra P. menardii, var. tumida 
G. dubia P. menardii, var. fimbriata 
G. conglobata P. micheliniana 
G. sacculifera P. canartensis 
G. bulloides, var. triloba 
Residue, 63.46 per cent, reddish, consists of Mizerals [30.00], m. di. 0.07 mm., 
quartz, mica, felspar, augite, plagioclase, glauconite, and red palagonite-like par- 
ticles. Siliceous organisms [5.00|, Radiolarians, Sponge spicules, and brown 
flexible casts of Foraminifera. Fine washings [28.46], amorphous clayey matter, 
with fine minerals and fragments of siliceous spicules. 
Specimen 30, Line C C.— Lat. 23° 23! N. Long. 94° 39’ W. May 17, 1877. 
Depth, 2,057 fathoms. A reddish Globigerina ooze, coherent, clayey, with lus- 
trous streak. 
Carbonate of Calcium, 32.12 per cent, consists of a very few coccoliths. and 
rhabdoliths, and the following Foraminifera : — 
Globigerina dubia Pulvinulina menardii 
G. rubra P. menardii, var. tumida 
G. sacculifera P. micheliniana 
G. conglobata P. canariensis 
G. helicina Truncatulina lobatula 7 
G. bulloides, var. triloba Nonionina umbilicatula 
G. several irregularly growing forms. NV. pompilioides aa 
g yg g for pompiliot sy 
G. (Orbulina) universa Pulvcinulina elegans ee 
Pullenia obliquiloculata Bolivina textilarioides \ “P&E: 
Spheroidina dehiscens Miliolina cultrata 
Residue, 67.88 per cent, red, consists of Minerals [15.00], m. di. 0.05 mm., 
quartz, felspars, magnetite, augite, hornblende, a few red particles, glassy frag- 
ments, and fragments of scorie. Séliceous organisms [3.00], Sponge spicules, 
and fragments of Radiolarians. ine washings [49.88], argillaceous matter, fine 
mineral particles, and a few fragments of siliceous spicules. 
Specimen 21, Line C C.— at. 23° 18’N. Long. 92° 03’ W. Depth 2,080 
fathoms. A light brown Globigerina ooze, reddish when wet, coherent, clayey. 
Carbonate of Calcium, 35.52 per cent, chiefly made up of pelagic Foraminifera, 
