668 MESSES. E. HEEON- ALLEN AND A. EAELAND ON THE 



2 Stations. 



A single specimen at Stn. 1 and one at Stn. 11, characterized by well-nrarked raised 

 tubercles on the surface as in Schvvager's original figure. The question of the 

 separation of such tuberculate modifications of L. orhignyana from vesicular varieties 

 of the same species has been dealt with by Burrows and Holland in their descrip- 

 tion of L. lacunata (ut supra). Millett {ut siqyra) regards the two varieties as 

 inseparable. While there is no doubt that many specimens of L. lacunata are 

 also furnished with superficial beads, the few specimens of typical L. castrensis which 

 have come under our notice have been devoid of internal lacunse. For reasons of 

 taxonomy it seems desirable to separate the two varieties. 



The specimens figured by Brady as L. castrensis and by Balkwill and Wright are 

 clearly referable to L. lacunata, as pointed out by Burrows and Holland, the surface 

 being ornamented with depressions, and not with raised beads (see No. 284). 



283. lagena clathrata Brady. 



Lagena clathrata Brady, 1884, FC. p. 485, pi. Ix. fig. 4. 



Balkwill & Millett, 1884, FG. p. 82, pi. ii. fig. 14, pi. iv. fig. 3. 

 Millett, 1898, etc., FM. 1901, p. 628, pi. xiv. fig. 23. 

 Sidebottom, 1904, etc., RFD. 1906, p. 14, pi. ii. fig. 14. 

 » „ Heron-Allen & Earland, 1913, CI. p. 90, pi. vii. fig. 10. 



Sidebottom, 1912, etc., LSP. 1913, p. 196, pi. xvii. fig. 14. 



7 Stations. 



Occasional specimenSj the best at Stns. 2 and 5. A trigonal specimen at Stn. 1. 



284. Lagena lacunata Burrows & Holland. 



Layena castrensn Brady [non Scliwager), Brady, 1884, FC. p. 485, pi. Ix. figs. 1, 2, & ?3. 

 Balkwill & Wright, 1885, Dl's. p. 341, pi. xii. figs. 20, 21. 

 „ lacunata Burrows & Holland in J. P. & B. 1866, etc., MFC. 1895, p. 205, pi. vii. 



fig. 12. 

 „ orhignyana, var. lacunata Sidebottom, 1910, RFBP, p. 19, pi. ii. fig. 14. 



Cushman, 1910, etc., FNP. 1913, p. 43, pi. xx. fig. 1. 

 „ s, „ „ Sidebottom, 1912,etc.,LSP. 1912, p. 416, pi. xix. figs. 16-18. 



9 Stations. 



Common at Stn. 1 and Avidely distributed, but infrequent at the other Stns. All 

 the specimens are normal except at Stn. 2, where a single individual was observed in 

 which the lacunae were very small and evenly distributed over the face of the test, and 

 at Stn. IX, where the only specimens found were of a similar type. This minutely 

 marked form may be compared with Entosolenia variolata Schlumberger (S. 1881, etc. 

 NF. 1882, pi. i. fig. 3), although the cavities in the Kerimba specimens are even 

 smaller and more numerous. The Fissurina punctata of Seguenza (S. 1880, FTK. 

 p. 136, pi. xiii. fig. 1), v.hich is compared by Burrows and Holland with their type, is 



