Manchester Memoirs, Vol. liv. (1910), No. 16. 17 



Lagena hexagona, Williamson, sp. (PI. 2, fig. 3). 



Present in two forms, one nearly globular, and the 

 other very small. The hexagonal markings on the latter 

 are large in comparison with the size of the test, and it 

 also has a short neck with four very small wings running 

 up it from the upper part of the body of the test. 



Lagena reticulata, Macgillivray, sp. (PI. 2, fig. 4). 

 A few good ones occur. 



Lagena inelo, d'Orbigny, sp. 



Only one example on the slide. 



Lagena striatopunctata, Parker and Jones. (PI. 2, fig. 5). 



There are thirty-seven specimens on the slide, of the 

 form that has its sides parallel. All the necks are bent 

 to one side, as was the case with the Delos specimens. 

 The bottoms of the tests are rounded off. One example 

 (see figure) has five costae, and the body of the test is of a 

 different form from the rest. The neck is apparently 

 broken off. 



Lagena desviopJiora, Rymer Jones. (PI. 2, fig. 6). 



A single, small specimen, of which the neck appears to 

 be broken. 



Lagena hcvigata, Reuss, sp. 



Lagena hevigata, Reuss, sp., var. acuta, Reuss, sp. 



The form with the small ring at the base (which often 

 projects very slightly at the sides into a delicate point) is 

 also present. 



Lagena lucida, Williamson, sp. (PI. 2, fig. 7). 



The three forms present are those represented by my 

 drawings in the Delos paper (1906) pl. i, figs. 9, 10, (also 

 apiculate) and ii. 



There is one example of trigonal form, see figure. 



