MUSEUM OF COMPARATIVE ZOOLOGY. 55 
Glebigerina rubra ) Planispirina celata ih 
G. dubia Bolivina enariensis 
G. inflata | Nonionina umbilicatula | 
G. conglobata Lagena squanosa Bott 
G. bulloides Pelagic Ammodiscus charoides ee 
G. bulloides, var. triloba {| species. Uvigerina asperula pes 
G. (Orbulina) universa Cassidulina crassa appar e 
Pullenia obliquiloculata | Bulimina marginata 
Pulvinulina menardi Truncatulina lobatula 
P. micheliniana J Pulvinulina elegans 
Residue, 84.86 per cent, chocolate color, consists of Minerals (50.00), m. di. 
0.1 mm., quartz, pumice fragments, magnetite, hornblende, tourmaline, glauconite, 
mica, many glassy fragments. Séliceous organisms [300], Radiolarians and 
Sponge spicules. Fixe washings [31.86], argillaceous matter, fine mineral par- 
ticles, and a few fragments of siliceous spicules. 
Specimen 28, Line D D. — Lat. 22° 06’ N. Long. 92° 18’ W. 22 May, 1877. 
Depth, 353 fathoms. A light greenish gray fine calcareous mud, coherent. 
Carbonate of Calcium, 67.81 per cent, consists of Echinoderm fragments, 
Pteropod, Ostracode, Gasteropod, and Lamellibranch shells, and the following 
Foraminifera : — 
Globigerina rubra Bulimina marginata 
G. dubia B. aculeata 
G. conglobata Bolivina nobilis 
G. inflata B. aenariensis 
Truncatulina lobatula 
Uvigerina pygmea 
Nodosaria hispida 
Textularia conica 
7’. sp. 
G. bulloides, var. triloba 
Pullenia obliquiloculata 
Pulvinulina menardit 
P.. canariensis 
Miliolina seminulum 
MM. sp. 
Residue, 32.19 per cent, consists of Minerals [3.00], m. di. 0.05 mm., quartz, 
felspar, hornblende, magnetite, glauconite, glassy fragments, and a few red 
particles. Stliceous organisms {10.00}, Geodia and other Sponge spicules, 
Diatoms and Radiolarians. Fixe washings [19.19], argillaceous matter, fine 
mineral particles, and fragments of siliceous organisms. 
Specimen 51, Line P’.—Wat. 25° 08’ 15” N. Long. 87° 12’ 50” W. 14 May, 
1875. Depth, 2119 fathoms. A brown Globigerina ooze, slightly coherent. 
Carbonate of Calcium, 41.86 per cent, consists of a few coccoliths and rhab- 
doliths, Ostracode valves, Echinoderm fragments, and the ivllowing Forami- 
nifera ; — 
