152 



UNITED STATES NATIONAL MUSEUM BULLETIN 2X5 



The specimen does not show any spiral early stage. 

 Immersed in anise oil it shows only a spinulate, compact 

 basal region, followed by a single hoUow section of the 

 test. No traces of sutures appear in transmitted light, 

 nor is there any suggestion of minute chambers, spiral 

 or otherwise. The arrangement is then, in any case, 

 uniserial. The "sutiu-es" are not clear; they are neither 

 limbate nor linear, but appear like a band of opaque 

 material, variable in size in the different positions but 

 not regularly enlarging from the base to the top. The 

 absence of other specimens prevented the preparation 

 of thin sections to determine if septa are present in- 

 ternally. Viewed in transparency this character is 



concealed. At the top, a flat neck is provided with a 

 lip and an elliptical narrow opening. 



Because of the obscure morphology of the "sutures" 

 and of the other general characters of the specimen 

 (base with comblike arrangement of spines, character 

 of the tubercles at the base of each segment) some 

 doubt arose as to the actual foraminiferal nature of this 

 fossil. Dr. Fenner A. Chace, Division of Marine In- 

 vertebrates, U. S. National Museum, kindly agreed to 

 examine this specimen and concluded that there were 

 no characters preventing an interpretation of this fossil 

 as the base of the flageUum (first or second antenna) 

 of a Crustacean, probably an Isopod. 



References 



Aknold, Z. M. 



1953. Paleontology and the study of variation in living Foraminifera. Contr. Cushman Found. 

 Foram. Res., vol. 4, pt. 1, pp. 24-26, pi. 3. 

 Bbonnimann, p., and Bkown, N. K., Jr. 



1953. Observations on some planktonic Heterohelicidae from the Upper Cretaceous of Cuba. Contr. 



Cushman Found. Foram. Res., vol. 4, pt. 4, pp. 150-156, text-figs. 1-14. 



1954. Synonyms of Gublerinas. Contr. Cushman Found. Foram. Res., vol. 5, Pt. 2, p. 62. 

 Brotzen, F. 



1948. The Swedish Paleocene and its Foraminiferal fauna. Sver. Geol. Undersokning, Avh. ser. 

 C, No. 493, pp. 1-140, pis. 1-19, text-figs. 1-41, table 1. 

 Le Calvez, J. 



1953. Ordre des foraminifferes, in Grass6, P., Traits de zoologle, vol. I, fasc. 2, pp. 149-265. 



COLOM, G. 



1946. Introduccion al estudio de los microforaminiferos fosiles. Inst. "Lucas Mallada," de Invest. 



Geol. Madrid, pp. 1-376. 

 Cushman, J. A. 



1926. Eouvigerina, a new genus from the Cretaceous. Contr. Cushman Lab. Foram. Res., vol. 2 



pt. 1, pp. 3-6, pi. 1, figs. 1-2. 

 1927a. An outline of the re-classification of the Foraminifera. Contr. Cushman Lab. Foram. Res. 



vol. 3, pt. 4, pp. 1-105. 

 1927b. Some new genera of the Foraminifera. Contr. Cushman Lab. Foram. Res., vol. 2, pt. 4, pp 



77-81, pi. 11 (part.) 



1928. Additional genera of the Foraminifera. Contr. Cushman Lab. Foram. Res., vol. 4, pt. 1 



pp. 1-8, pi. 1. 



1929. The genus Bolivinella and its species. Contr. Cushman Lab. Foram. Res., vol. 5, pt. 2, pp 



28-34, pi. 5. 



1932. Rectogumbelina, a new genus from the Cretaceous. Contr. Cushman Lab. Foram. Res., vol. 



8, pt. 1, pp. 4^7, pi. 1 (part). 

 1938. Cretaceous species of Gumbelina and related genera. Cushman Lab. Foram. Res., Contr. 



vol. 14, pt. 1, pp. 2-28, pis. 1-4. 

 1946. Upper Cretaceous Foraminifera of the Gulf Coastal region of the United States and adjacent 



areas. U. S. Geol. Survey Prof. Pap. 206, pp. 1-241, pis. 1-66. 

 1948. Foraminifera, their classification and economic use, pp. 1-605, pis. 1-55. 

 Edgell, H. S. 



1954. The stratigraphical value of Bolivinoides in the Upper Cretaceous of Northwest Australia. 



Contr. Cushman Found. Foram. Res., vol. 5, pt. 2, pp. 68-76, figs. 1-6, pis. 13-14. 

 Ellis, B. F., and Messina, A. R. 



1940. Catalogue of Foraminifera. Amer. Mus. Nat. Hist., New York. 

 Gallowat, J. J. 



1933. A manual of Foraminifera, pp. 1-483, pis. 1-42. 



