46 BULLETIN 71, UNITED STATES NATIONAL MUSEUM. 



BOLIVINA LOBATA H. B. Brady. 



Bolivina lobata H. B. Brady, Quart. Journ. Micr. Sri., vol. 21, 1881, p. 58; Rep. 

 Voy. Challenger, Zoology, vol. 9, 1884, p. 425, pi. 53. rigs. 22, 23. 



Description. — "Test elongate, depressed, digitate; distal end ob- 

 liquely truncate or rounded, aboral extremity obtuse, peripheral 

 margin lobulated. Segments inflated, their outer margins projecting 

 and subangular; sutures thickened, and deeply sunk; surface, espe- 

 cially of the later chambers, more or less granulated. Aperture a 

 long oval slit contracted at the middle; nearly central." 

 Length 0.40 mm. 



Distribution. — This species was described by Brady from the region 

 about New Guinea. I have found it at a single station, Nero station 



1583, in 777 fathoms, between Guam 

 and Midway Island. The granulations 

 of the surface and the form are similar. 

 Egger's figures do not seem to repre- 

 sent this species, but it is hard to judge 

 from the quality of the figures in that 

 work. Millett's figure 6 closely resem- 

 bles B. lobata, but its connection with 

 the young of Bigenerina Jimbriata Mil- 

 figs. 74-75.— bolivina lobata. x so. lett makes it certain that it is a young 



74, a, FRONT VIEW; b, APERTUKAL J-j-Ij. • Te I> 7 I ± 1 I 1 



view (after Brady). of that species. If B. lobata had such 



a uniserial development, it seems that 

 Brady's material would have shown it. Therefore, for the present, 

 it seems best not to unite it, but to keep it with the species as de- 

 scribed by Millett. The resemblance is, however, so striking that it 

 may be that the uniserial form was present but overlooked or placed 

 elsewhere. The question remains as to whether the figured specimen 

 given by Millett is really the same as the type of Bolivina lobata 

 II. B. Brady. If it is, then Brady's name should be used, although 

 the genus would necessarily be changed. 



The description and figures are from Brady. 



BOLIVINA SPINESCENS, new name. 



Bolivina textilarioides H. B. Brady (part), Rep. Voy. Challenger, Zoology, vol. 9, 

 1884, p. 419, pi. 52, figs. 24, 25 (not Bolivina textilarioides Reuss, 1862).— 

 Millett, Journ. Roy. Micr. Soc., 1900,p. 542, pi. 4, fig. 5. — Bagg, Proc. 

 U. S. Nat. Mus., vol. 34, 1908, p. 139. 



Description. — Test elongate, subcylindrical, the apex bluntly pointed; 

 chambers numerous, inflated, the sutures fairly deep, the surface 

 smooth except the portion at and just above the sutures, wdiich is 

 minutely spinose or granular; aperture large, loop-shaped, with a 

 slightly raised border; color white or gray. 



Length 0.50-0.75 mm. 



a Abh. kon. bay. Akad. WisB. Munchen, CI. n, vol. 18, 1893, pi. 8, figs. 55, 56. 

 bJourn. Roy. Micr. Soc, 1900, pi. 1, fig. 4. 



