FORAMINIFERA FROM MURRAY ISLAND, AUSTRALIA. 



By Joseph A. Cushman. 



Five lots ot material containing foraminifera from Murray Island in the 

 Barrier Reef region of Australia, collected by Dr. A. G. Mayer, were sub- 

 mitted to me by Doctor Vaughan for determination. All were from shallow 

 water and while interesting and rich in the numbers of individuals, the 

 foraminifera belong to comparatively few species. 



A comparison with similar conditions in the West Indies is interesting. 

 In the latter region the most common species is Orbiculina adunca, a species 

 wanting in the Murray Island material, where the commonest species of any 

 size is Tinoporiis baculatus. The absence of the very common Reophax 

 scorpiurus in the Murray Island material is also worthy of mention. Certain 

 common East Indian and Australasian species such as Heterostegina depressa, 

 Rotalia calcar, Calcarina hispida, Polystomella craticulata, and Quinqueloculina 

 farkeri are characteristic of the material. 



The material of the five lots was from two ditTerent lines run on the reef 

 and will be referred to in the list as Nos. i to 5 as follows: i, line I, 200 feet; 

 2, line I, 600 feet; 3. line I, 1,200 feet; 4, line I, 1,600 feet; 5, line III, 1,700 

 feet from shore. 



Following is a list of the species determined with descriptions of three 

 species which seem to be new. 



Teztularia agglutinans d'Orbigny. Uncommon at station 5. 



Teitularia rugosa Reuss. Frequent, stations I, 3, 4, 5. 



Bolivina punctata d'Orbigny. Rare at station 5. 



Clavulina angularia d'Orbigny. Rare at station 5. 



Discorbis polystomelloides Parker and Jones. A single specimen of this rare species was obtained in the materia! 



from station 3. The type specimen was from Austrahan coral reefs and it has been recorded at but a few 



stations in the southern Pacific in shallow water. 

 Discorbis rugosa d'Orbigny. Single specimens from stations i and 3. 

 Cymbalopora poeyi d'Orbigny. Frequent at stations I, 3, and 5. 

 Planorbulina larvata Parker and Jones. Rare at station 5. 

 Truncatulina pygmsea Hantken. Rare at station 2. 

 Truncatulina culter Parker and Jones. Rare at station 5. 

 Anomalina grosserugosa Gumbel. Rare at station 3. 

 Pulvinulina berthelotiana d'Orbigny. Rare at station I. 

 Rotalia beccarii (Linne). Few specimens at station 5. 

 Rotalia calcar d'Orbigny. Abundant in all the material. 



Polytrema mineaceum (Linn.). Occurs as incrusting patches on most dead coral. (See plate 97, tigs. 1, la.) 

 Calcarina hispida H. B. Brady. Frequent at stations I and 5. 

 Calcarina spengleri (Linne). Scattered specimens in all the material. 

 Tinoporus baculatus (Montfort) Carpenter. .Abundant in all the material. 

 Polystomella macella (Fichtel and Moll). Frequent throughout. 

 Polystomella craticulata (Fichtel and Moll). Frequent throughout. 

 Amphistegina lessonii d'Orbigny. Common at all the stations. 

 Heterostegina depressa d'Orbigny. A few specimens at stations 3 and 5. 

 Spiroloculina grata Terquem. A few scattered specimens throughout. 

 Spiroloculina grata Terquem, var. angulata Cushman. A few specimens at station 1. 



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