386 HENRY SIDEBOTTOM OX LAGENAE OF THE SOUTH-WEST PACIFIC. 



PI. 15, fig. 4 is the same; the spines are broken away. Many 

 of the tests have the neck broken. Locality: Five at No. 3^ 

 two at No. 13, five at No. 17, and odd specimens at several 

 other localities. 



PI. 15, fig. 5 is, I think, a variation. The long spines are 

 much finer, and finish wdth a point when perfect, but when 

 broken appear to be tubular. The neck gradually tapers to a 

 point. The specimens are not in a good condition. Locality r 

 Chiefly Nos. 8, 11, 13, 17, and one or two occur at a few other 

 localities. 



Lagena striata d'Orbigny sp. (PI. 15, figs. 6-10). 

 Ooliiia striata d'Orbigny, 1839, p. 21, pi. 5, fig. 12. 



I consider that the serial connection between L. sulcatay 

 L. striata and L. gracilis is complete in these S.W. Pacific 

 gatherings. L. striata is present in many beautiful forms and 

 at many localities. The shape of the test varies from the globular 

 to the cylindrical, and is often apiculate. The decoration of the 

 tests is at times most delicate, and links up to L. sulcata. The 

 beautiful spiral bands which often decorate their necks ai-e 

 sometimes of extreme fineness. Numerous examples range round 

 Z. lyelli Seguenza (1862), which is typically represented. 



PI. 15, fig. 6. There are about twenty -six of this small 

 variety, the short neck of which is crowned with a minute 

 " boss." The orifice is circular. The tests are generally round 

 in section, but some are just a little compressed. At times, 

 several of the costae are rather more prominent than the rest. 

 Locality : Chiefly Nos. 1, 3, 17. 



PI. 15, fig. 7. In these, five of the costae, equidistant from 

 each other, project more than the remainder. Locality : Chiefly 

 Nos. 19, 21. 



PI. 15, fig. 8. This specimen has the apiculate process of 

 extreme length. 



PI. 15, fig. 9, is the same as the Challenger figure, pi. 57,. 

 fig. 30, which Brady places under this heading. Only one occurs. 

 Locality : No. 20. 



PI. 15, fig. 10. Seems to be another variant. One only occurs.. 

 Locality : No. 30. 



