12 SiDEBOTTOM, Foraininifevafroiii the Island of Delos. 



Lagena lagenoides (Williamson), Reuss ('62), p. 324, 

 pi. 2, figs. 27, 28. 



L. lagenoides (Williamson), Balkwill and Millett ('84), 

 p. 82, pi. 2, fig. II. 



The specimens agree best with Williamson's fig. 26. 

 Frequent. *A smaller form is also present, in which the 

 mouth only slightly protrudes, extending nearly the 

 whole width of the test. Mr. Wright, of Belfast, Ireland, 

 considers this to be L. nrnata, Williamson, which is a form 

 of L. lagenoides. Rare. 



* Lagena lagenoides, var. tenuistriata, Brady. 

 (PI. 2, figs. 9, 10.) 

 Lagena lagenoides, var. tenuistriata, Brady ('84), 

 p. 479, pl. 60, figs. II, 15, 16. 



L. lagenoides, var. tenuistriata (Brady), Balkwill and 

 Millett ('84), p. Z2, pl. 2, fig. 12. 



In the Delos s[)ecimens, the centres of the tests are 

 sometimes free from striae. The cntosoleiiian tube is 

 short and straight. Frequent. 



* Lagena orbignyana, Seguenza, sp. var. (Pl. 2, fig. 11.) 



Entosolenia viarginata (pars.), Williamson ('58), p. 9, 

 pl. I, figs. 19, 20. 



Lagena orbignyana (Seguenza), Brady ('84), p. 484, 

 pl. 59, figs. I, 18, 24-26. 



L. orbignyana (Seguenza), Brady, Parker and Jones 

 ('88), p. 222, pl. 44, fig. 20. 



L. orbignyana (Seguenza), Flint ('99), p. 30S, pl. 54, 

 fig. 4. 



The test in this variety is slightly twisted ; and in 

 the middle, on either face, is an oval ridge of clear shell- 

 substance. The internal tube is very much curled. In 

 one or two cases the central keel is split and filled up 



