68 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



vol. 59. 



I have been able to examine from widely separated areas in the tropics 

 there seem to be definitely characterized species, which seem to have 

 definite geographical ranges. The Q. antillarum of d'Orbigny has 

 very fine reticulations, with numerous transverse wrinkles and a 

 broad truncate peripheral margin. Such specimens were found at 

 Montego Bay in 9 fathoms (16 meters). D'Orbigny's material was 

 from Cuba and Jamaica. 



QUINQUEJ.OCULINA TRICARINATA d'Orbigny. 



Plate 16, figs. 11, 12. 



Qidnqueloculina tricarinata d'Orbigny, Foram. Cuba, 1839, p. 187, pi. 11, 

 figs. 7-9, 11. 



This is another of the d'Orbignyan species that has been ignored 

 since its description. The figure gives the impression of an abnormal 

 specimen, but the study of the Jamaican material shows that it is 

 an accurate figure of this peculiar species, and gives one decided 



Fig. 7.— Quinquelocumna 

 dilatata d'orbigny 

 Specimen from ifathom, 

 Bogue Islands, Montego 

 Bay. Side view. X 50- 



Fig. 8.— Quinquei.oculina 

 dilatata d'orbigny. 

 Side view of another 

 specimen from the same 

 locality. x 50. 



FIG. 9.— QUINQUELOCULINA POE- 



yana d'Orbigny. a, side view; 

 b, opposite side; c, apertubal 

 view. Specimen from io fath- 

 oms, Montego Bay. 



confidence in d'Orbigny's figures as true representations of the 

 material he had. There is some little variation in the material, 

 but it keeps close to the form described by d'Orbigny. 



Quinqueloculina tricarinata was found at all but one of the Jamaican 

 stations, at Montego Bay at stations 1, 2, 4, 5, and 6, and also at 

 Runaway Bay. 



It is in certain characters close to Q. Tceiimbatica Heron-Allen and 

 Earland, which was described from the Kerimba Archipelago and 

 which is common in the Philippine region and probably elsewhere 

 in the Indo-Pacific. 



D'Orbigny's specimens were from Cuba and Jamaica. 



The specimens which I have referred to as Quinqueloculina, species 

 cf. Q. Jcerimbatica (Heron-Allen and Earland) 14 ma} 7 belong to this 

 species. The} 7 were from the Tertiary of Santo Domingo. 



>< Publ. 291, Carnegie Institution of AVashington, 1919, p. 67, pi. 14, fig. 5. 



