58 



BULLETIN OF THE 



along with Ostracode shells, fragments of Ecliinoderras, coccoliths, and rhabdo- 

 liths. The following is a list of the Foraminifera : — 



Globigerina bulloides, few, small. 



G. bulloides, var. triloba, common. 



G. dubia, common, large. 



G. eequilateralis, few. 



G. rubra, abundant. 



G. conglobata, common. 



G. sacculifera, common. 



G. {Orbulina) universa, abundant. 



Candeina nitida, few. 



Pullenia obliquiloculata, abundant. 



Spheeroidina dehiscens, few. 



Puloi/iulina menardii, abundant. 

 P. menardii, var. tumida, abundant 

 P. menardii, y^x.fimbriata, few. 

 P. micheliniana, abundant. 

 P. canariensis, few. 

 Truncatulina lobatula, few. 

 Nonionina pompilioides,{tv/ . 

 Rotalia soldanii, rare. 

 Bolivina sp., rare. 

 Biloculina ringens, rare. 



Bottom- 

 \ living 

 species. 



Miliolina sp., rare. 



Residue, 64.48 per cent, reddish, consists oi Minerals [3.00], m. di. 0.05 mm., 

 felspars, quartz, magnetite, augite, hornblende, glassy fragments. Siliceous or- 

 ganisms [3.00], Sponge spicules, Diatoms, Radiolarians, oasis of Foraminifera. 

 Fine washings [58. 4S], amorphous clayey matter, fine mineral particles, and frag- 

 ments of siliceous organisms. 



Station 4. 



temp. 39^0 



- Off Morro Light. Depth, 936 fathoms. Surf. temp. 77|°. Bot. 

 A Pteropod ooze, of a grayish white color, chiefly composed of 

 Pteropods, with many pelagic Foraminifci-a, slightly coherent. 



Carbonate of Calcium, 68.84 per cent, consists of otolitlis of fish, Gasteropod, 

 LameUibranch, Ostracode, Pteropod, and Heteropod shells, Echiuoderm frag- 

 ments, coccoliths and rhabdoliths, ana Foraminifera as follows : — 



Globigerina bulloides 



G. rubra 



G. dubia 



G. cequilateralis 



G. sacculifera 



G. conglobata 



G. {Orbulina) universa 



Candeina nitida 



Spheeroidina dehiscens 



Pullenia obliquiloculata 



Pultinulina menardii 



Pelagic 

 species. 



Biloculina sphara 

 B. depressa 

 Miliolina sp. 

 Planispirina celata 

 Hyperammina ramosa 

 H. vagans 

 H. subnodosa 

 Ammodiscus incertus 

 Gaudrjfina pupoides 

 G. rugosa 

 Cassidulina crassa 

 Truncatulina lobatula 



Bottom-living 

 species. 



Spheeroidina bulloides _ 

 Residue, 31.16 per cent, grayish brown, consists of Minerals [10.00], m. di. 

 0.07 mm., quartz, hornblende, felspars, plagioclase, orthoclase, mica. Siliceous 

 organisms [15.00], Radiolarians, Diatoms, and Sponge spicules. Fine washings 

 [6.16], argillaceous matter, fine minerals, fragments of siliceous organisms, and 

 greenish organic matter. 

 Note. — Fragments of an areolar tufaceous rock were obtained in the dredging. 



