MUSEUM OF COMPAEATIVE ZOOLOGY. 



39 



Qlohigerina bulloides " 

 O. inflata 

 G. dutertrei 

 Pulcinulina menardii 

 P. micheliniana 

 P. canariensis 



Y 



Uaplophragmium canariensis " 



Textularia sp. 

 Pelagic Bulimina marginata 



species. Uvigerina pi/gnuea 



Truncatulina lobatula 



Pulvinulii'M elegans 



Bottom- 

 living 

 species. 



Residue, 94-92 per cent, dark brown, consists of Minerals [75.00], m. di 

 0.5 mm., quartz, mica, felspar, hornblende. Siliceous organisms [5.00], Diatoms, 

 Radiolarians, and Sponge spicules. Fine washings [14.92], argillaceous matter, 

 fine mineral particles, fragments of Diatoms and siliceous spicules. 



Station 308. — Lat 41« 34' 45" N. Long. 65" 35' 30" W. Depth, 1242 

 fathoms. Surf. temp. 65". Bot. temp. 38". A dark gray mud, plastic, pul- 

 verulent, granular, dries into hard lumps. 



Carbonate of Calcium, 7-27 per cent, consists of Echinoderm fragments, many 

 coccoliths and coccospheres : the following Foraminifera were observed : — ' 



Orbulina universa, rare. 

 Globigerina bulloides, common. 

 Q. infata, common. 

 Q. conglobata, few. 

 G. dubia, few. 

 Puloinuuna menardii, few. 

 P. canariensis, few. 

 Pullenia obliquiloculafa, rare. 



Uvigerina pygmcea^ few. 

 U. pygnuea, var. angulosa few. 

 Bulimina marginata, few. 

 Lagena jimbriata, rare. 

 Diseorbina sp., few. 

 Rotatia repanda, few. 

 Pleurostomella sp., rare. 

 Gristellaria cultrata, rare. 



Residue, 92.73 per cent, dark brown, consists of Minerals [75.00], m. di. 

 0.3 mm., quartz, monoclinic and triclinic felspars, magnetite', mica, hornblende, 

 tourmaline, glauconite, and glassy fragments. Siliceous organisms [4.00], Sponge 

 spicules, Radiolarians, and Diatoms. Fine washings [13.73], argillaceous matter, 

 and many angular, fiue mineral particles. 



Station 312. —Lat. 39® 50' 45" N. Long. 70" 11' W. Depth, 466 fathoms. 

 Surf. temp. 7H°- Bot. temp. 40". A gray mud. 



Carbonate of Calcium, 3.46 per cent, consists of a few Echinoderm fragments, 

 coccoliths, and the following Foraminifera • — 



Reophax fusiformis, few. 

 B,. scorpiurus, few. 

 Uaplophragmium fontinense ? 

 Ammodiscus incertus, few. 

 A. gordialis, rare. 

 Clavulina communis, few. 

 Cyclammina pusella, rare. 

 Bulimina marginata, rare. 



Gristellaria cultrata, rare. 

 Uvigerina pygmaa, rare, 

 few. U. pygmeea, var. angulosa, rare. 



Globigerina inflata^ common. 

 G. dutertrei, few. 



Pulvinulina menardii, var. tumida, rare. 

 Cassidulina crassa, rare. 

 Polystomella sp., rare. 



