FOSSIL CORALS FROM WEST INDIES WELLS 103 



Family PORITIDAE Dana 

 Genus GONIARAEA d'Oibigny, 1849 



GONIARAEA CHRISTIANIAENSIS, new species 

 PL.\.TE 4, FiGUKE 11 



Description. — The type is a small distal fragment of a branch 

 measuring 17.5 mm in length and 4 mm in diameter. The calices are 

 diamond shaped, shallow, looking upward toward the tip of the 

 branch, and measuring 4 mm on the long diameter parallel to the 

 axis of the branch and 2.75 mm on the shorter. The walls are thin, 

 with acute upper edges. The septa number 12, all reaching to the 

 columella. The columella is small, styliform, and much thickened 

 below the calice. No pali can be discerned. The structure of the 

 septa is obscure, but a section across one end of the branch shows 

 them to be perforate. 



ry/?e.— U.S.N.M. no. 44297. 



Occurrence. — In the Yellow limestone of the Christiania district, 

 Manchester, Jamaica (Matley collection). 



R-eriiarks. — This species is very close to G. clinactin<i (Michelotti) 

 of the middle Oligocene of Monte Grumi, specimens of which are 

 in the National Museum, the only observable difference being in the 

 sUghtly larger calices of the Jamaican form. 



The single poorly preserved specimen upon which the species is 

 based does not show the characters of the form so well as could be 

 desired. The normal shape of the calices, that is, of the calices on 

 the thicker main branches of the corallum, is probably not diamond 

 shaped, but hexagonal or pentagonal, if we may judge from G. 

 clinactina. 



CORALS FROM THE TRECHMANN AND ROMANES COLLECTIONS 

 FROM THE SCOTLAND BEDS OF BARBADOS 



Seven specimens of corals were collected by Dr. C. T. Trechmann 

 from a fossiliferous conglomerate band (evidently Bed " b " of 

 Trechmann's 1925 paper) in the Scotland beds of the Island of 

 Barbados, British West Indies. These were submitted to Dr. T. W. 

 Vaughan for determination and by him turned over to the author for 

 description. The material from the Romanes collection consists of 

 four specimens — three of Madracis decactis (Lyman) and one of 

 Trochocyathus sp. All the specimens are fragmentary, and, while 

 at least tAvo new species are represented and possibly a third, none 

 has been described as such. 



The Scotland beds have been the subject of a paper by Dr. Trech- 

 mann (1925) in which he has tentatively established them as being 



