BOTTOM SAMPLES, MURRAY ISLAND, THE BAHAMAS, AND FLORIDA. 2/1 



The following are the lists of foraminifera and associated small organisms 

 from South Bight, Andros Island, Bahamas, contributed by Dr. Cushman: 



No. 77. South Bight, Andros Island, Bahamas: Material includes fragments of calcium 

 carbonate, worm-tubes, pelecypods and gastropods, ostracods, and numerous 

 foraminifera. 

 Foraminifera: 



Orbiculina adunca, frequent. Clavulina angularis, few. 



Peneroplis pertusus, few. Quinqueloculina agglutinans, few. 



Quinqueloculina reticulata, few. Verneuilina affixa, few. 



Triloculina linneiana, few. Quinqueloculina sp. 



No. 78. South Bight, Andros Island, Bahamas. Material very similar to No. 77. 

 Foraminifera: 



Orbiculina adunca, few. Clavulina angularis, few. 



Quinqueloculina agglutinans, few. Polystomella strlatopunctata, few. 



No. 79. South Bight, Andros Island, Bahamas. Material similar to Nos. 77 and 78; 

 more ostracods, fewer mollusca. 

 Foraminifera: 



Orbiculina adunca, common. Polystomella striatopunctata, few. 



Quinqueloculina agglutinans, few. Several Quinqueloculina and Trilocu- 



Verneuilina affixa, few. Una. 



No. 80. South Bight, Andros Island, Bahamas. Material similar to No. 78. 

 Foraminifera: 



Orbiculina adunca, frequent. Clavulina angularis, few. 



Quinqueloculina agglutinans, few. Polystomella striatopunctata, few. 



Triloculina linneiana, few. Numerous Quinqueloculina and Trilo- 



Verneuilina affixa, few. culina. 



No. 8 1 a. Shore material, South Bight, Andros Island, Bahamas. Many shell fragments. 

 (No. 81^, similar.) 

 Foraminifera : 



Orbiculina adunca, frequent, worn. Triloculina linneiana, few. 



Quinqueloculina agglutinans, few. Verneuilina affixa, few. 



Quinqueloculina reticulata, few. 



No. 82. South Bight, Andros Island, Bahamas. Material rather poor in organisms except 

 foraminifera. 

 Foraminifera: 



Orbiculina adunca, frequent. Clavulina angularis, few. 



Quinqueloculina agglutinans, few. Polystomella striatopunctata, few. 



Verneuilina affixa, few. 



No large testaceous organisms were observed along the Bight, indicating 



conditions in general unfavorable for life, except bacterial. 



SAMPLES FROM OFF THE WEST END OF SOUTH BIGHT. 



Sample No. 87 is from 2 miles off the west end of South Bight (for 

 location, see plate 95). I have previously described it and other samples 

 of finely divided mud taken from nearby, and present in slightly modified 

 form the account referred to in the footnote.^ 



A field examination of a bottom sample. No. 177, from 2 miles west of the 

 west end of South Bight, gave the following: 



Color: light gray, tinged bluish. Reaction to litmus: strikingly alkaline. 

 Odor: fetid, some H2S. Cobalt-nitrate test: showed presence of aragonite.^ 



'Carnegie Inst. Wash. Year Book 13, pp. 227-228, 1915. 



^For notes on the aragonite needles in this specimen, see Johnston, Merwin, and Williamson, Amer. Jour. 

 Sci., vol. 41, pp. 508, 509, 1916. They contain 0.7 per cent of CaSO«. 



