no. 2360. FORAMINIFERA FROM JAMAICA— CU SB MAN. 53 



early portion. D'Orbigny's West Indian Clavulina tricarinata shows 

 the test triangular throughout, except perhaps for the last-formed 

 chamber, which is more rounded. His specimens were from Cuba 

 and Jamaica. 



Such specimens are very common in the West Indies and on the 

 coast of Florida, not only in shallow water, but at moderate depths. 

 They are very constant in their characters, and it seems quite likely 

 that this may differ from the Mediterranean Clavulina angularis. A 

 comparison of the specimens from these two regions should determine 

 this. 



It is interesting in this connection to note that Sidebottom in his 

 paper on the foraminifera from the Bay of Palermo 7 figures a speci- 

 men which is very much like that given by d'Orbigny in 1S26, also 

 from the Mediterranean, but it is very unlike the typical C. tricarinata 

 of the West Indies. This seems to throw some evidence on the side 

 of the two being distinct from one another. 



The Challenger figures (pi. 4S, figs. 22-24) are more definitely 

 angular. Although the locality for these is not given, they are 

 probably from the East Indies, where rather typical specimens occur 

 in abundance. 



A species evidently like many others occurs in the West Indian 

 region and across the tropical Pacific, and that from the Mediter- 

 ranean may, like other examples, be separated from it when a study 

 is made of the two. 



It occurred at Montego Bay at stations 2, 4, 5, and 6, and at Runa- 

 way Bay. It was most common at the stations in deeper water, 

 although in considerable numbers even in the shallow water of 

 Runaway Bay. 



CLAVULINA NODOSARIA d'Orbigny. 



Plate 12, fig. 3. 

 Clavulina nodosaria d'Ordiony, Foram. Cuba, 1839, p. 110, pi. 2, fige. 19, 20. 



This is another species which has remained neglected. In the 

 examination of the Montego Bay material a small slender species 

 was found at two stations, 2 and 6, which is evidently this species. 

 The early chambers are rounded triangular, the uniscrial ones sub- 

 globose, with constricted sutures and distinctly nodular as in the 

 original figure. While found at these stations with C. angularis, it 

 is, nevertheless, very distinct as it is rounded at a very early stage, 

 has nodosarian chambers, and docs not attain but a fraction of the 

 size of C. angularis. D'Orbigny's specimens were from Cuba and 

 Martinique, which, with the Jamaica record, shows that it is probably 

 widelv distributed in the West Indies. 



7 Proc. Mem. Manchester Lit. Philos Soc. .vol. 54, no. 16, J9iO f p. 11, pi. 1, fig. 10. 



