23 
24 
25 
26 
27 
28 
29 
30 
31 
32 
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
EEPOET ON THE FOEAMINIFEEA. 
445 
L. variata, Bracly. Often unsymmetrical or depressed ; with, irregular, 
depressed strife, . . . . .PI. LXI. fig. 
Lagena sulcata, W. & J., sp. Surface ornamented with stout raised longi- 
tudinal costae, ..... 
interrupta, Will. Costae of unequal length, 
acuticosla, Eeuss, with few, thin, much elevated costae ; sometimes 
irregularly placed, ..... 
diversicostata , Eeuss. "With few cost®, divided into two sets by 
a deep depression; the two central costae continuous 
across the base of the test, 
williamsoni, Alcock, sp. Pyriform, costate, with hexagonal orna- 
ment round the base of the neck, 
L. gracilis, Will. Elongate, fusiform, costate or striate ; pointed at the 
inferior end ; sometimes distomous, 
L. alifera, Eeuss. Costae very thin and high, taking the form of wings, 
L. quad'ralata, Brady. Plask-shaped, finely striate ; with four equi- 
distant wings, ..... 
L. plumigera, Brady. Flask-shaped ; with costae developed at their 
lower ends into broad tubulated wings, 
PL LVII. fig: 
— figs 
figs 
Gr. 
H. 
PL LVIII. figs 
I. 
PL LXI. fig. 
PL LV1II. figs 
Lagena semistriata, Williamson. Inferior portion of the test costate, 
superior portion smooth, .... 
tricostulata, Marsson. Globular; with three parallel costae 
reaching to the middle of the test, 
multicosta, ILarrer, sp. Subglobular ; aperture fissurine ; with 
simple or bifurcating costae reaching 'to the 'middle of 
the test, ...... 
L. stelligera, Brady. Pyriform ; with short costae proceeding from a 
raised rim or collar at the base, 
L. lebouriana, Brady. Inferior end costate ; the ribs connected by a 
transverse raised band encircling the test near the 
middle, ...... 
L. gothica, Ey. Jones. Lower half costate ; the superior ends of the 
adjacent costae curved over so as to form gothic arches, 
L. crenata, P. & J. Decanter-shaped ; the broad base ornamented 
with radiate crenulations proceeding from a small 
convex central disk, ..... 
L. exsculpta, Brady. Ornament consisting of an excavated star, extending 
to near the middle of the test ; radii fluted, bordered, 
round at the top, ..... 
Pl. LVII. figi 
J. 
Pl. LXI. fig. 
PL LVII. figs 
K. 
L. 
— %• 
PL LVIII. fig 
Lagena striatopunctata, Parker & Jones. Multicostate ; with conspi- 
cuous perforations at regular intervals on the costae, 
howchiniana, Brady. Test crenulated or sub-costate ; ridges per- 
forated; wall of even thickness, 
tetragona, P. & J. Quadricostate, striato-punctate, . 
spiralis, Brady. Striato-punctate, costae spiral, 
(ZOOL. CHALL. EXP. PART XXII. 1884.) 
figs 
M. 
X. 
Pl. CXIV. fig. 
1 . 
s. 23, 33, &c. 
s. 25, 27. 
i. 31, 32. 
>■ 2, 3, 7, 8. 
3. 
:. 25-27. 
3 . 14, 16, &c. 
4. 
i. 35, 36. 
2L 
. 1, &c, 
i. 37, 40. 
, 9. 
Y 57 
