Ha MITES. 
MOLLUSCA. 
3 
Found in the Folkstone Clay, and at Ringmer. 
17. H. gibbosus. —The Bulging Karaite, pi. III. fig. 1. 
Sowerby, Min. Conch. I. p. 140, pi. 02, fig. 4, right hand 
figure. 
Shell gibbous, with prominent, oblique, somewhat distant 
annulations; descending from the outer surface, whore they 
arc thickest; spreading out into a flattened continuous plate 
behind ; back much depressed, front rounded, producing an 
oval termination, with the shortest diagonal from back to 
front; contrary to the character of all its congeners. 
From the Clay at Folkstone. 
18. H. adpressus. —The Adpressed Karaite, pi. II. fig. 4. 
Sowerby, Min. Conch. I. p. 140, pi. 61, fig. 6. 
Flattened in front; destitute of annulations ; lesser limb 
acute, and pressed close to the larger one ; surface smooth, 
and provided with equidistant circles throughout the whole 
shell, which appear to indicate the septa. 
From the Clay at Folkstone. 
19. H. Bucklandi —Buckland’s Karaite, pi. II. fig. 2. 
Phillip’s Geology of Yorkshire, pi. 1. fig. ; Buckland’s 
Geology and Mineralogy, II. p. 65, pi. 44, fig. 8. 
Compressed ; horn-shaped; much and gradually incurvated, 
with somewhat remote, slightly developed, oblique annula¬ 
tions, which become nearly obsolete on the inner margin. 
Found in the Galt or Folkstone Marie. Fig. 2 a represents 
the transverse section, exhibiting the lobes and saddles, and 
the siphuncle at b. 
20. H. articulatus. —The Articulated Karaite, pi. II. 
fig. 14. 
Buckland’s Geology and Mineralogy Considered, II. p. 65, 
pi. 44, fig. 13. 
Compressed, curvature gentle, with remote undulous ribs; 
the sinuous terminations of the transverse plates are visible 
through the ribs, having their secondary lobes rounded 
towards b , and pointed inwards ate, somewhat resembling the 
secondary lobes of the genus Ammonites. 
Found in the Green sand at Earl Stoke. 
21. H. Lyelli _Lyell’s Karaite, pi. I. fig. 3. 
Buckland’s Geology and Mineralogy Considered, II. p. 65, 
pi. 44, fig. 11. 
Shell a little compressed, gently curved, with remote, 
slightly developed spiral ribs, which are almost lost on the 
interior side. The lobes and saddles of the transverse plates 
are exhibited on the upper extremity, or aperture. 
From the Folkstone Clay. 
22. II. costatus _The Ribbed Karaite, pi. I. fig. 8. 
Hamites intermedins , Sowerby, Min. Conch. I. pi. 62, fig. 2. 
Slightly compressed, with remote, strong, oblique, some¬ 
what undulous ribs, or annulations, descending to their in¬ 
ternal side, and most developed towards the outer side ; lobes 
and saddles of the aperture well marked. 
From the Folkstone Clay. 
23. K. incurvatus. —The Incurved Karaite, pi. I. fig. 4. 
Parkinson’s Organic Remains, III. pi. 10, fig. 2. 
Slightly bent, gently tapering, and a little compressed ; 
with well defined regular annulations, which arc strongly 
elevated throughout. 
24. H. rectus. —The Straight Karaite, pi. I. fig. 11. 
Parkinson’s Organic Remains, III. p. 144, pi. 10, fig. 1. 
Straight, (so far as at present known) with the annulations 
numerous, oblique, descending to the right, and but slightly 
developed ; aperture roundish oval. 
25. II. annulatus.— The Ringed Karaite, pi. I. fig. 10. 
Parkinson’s Organic Remains, III. p. 144, pi. 10, fig. 5. 
Slightly compressed, considerably incurved, forming nearly 
the segment of a circle, with regular, equidistant, distinctly 
defined, but not much raised annulations, somewhat less ele¬ 
vated on the inner side. 
Found in the Green sand, Wiltshire. 
26. FI. inflexus _The Inflected Karaite, pi. I. fig. 12. 
Parkinson’s Organic Remains, p. 144, pi. 10, fig. 3. 
Hooked, with strong, remote, nearly equidistant, slightly 
waved annulations, interrupted only by a sub-carina on the 
internal side ; between these are two short, pointed ribs, 
which extend about half over the surface on the external side; 
the whole exhibits the hooked form of this species nearly 
complete, and the bend rather gentle. 
Found at Shotover Kill, near Oxford. 
27. H. elliptic us.—The Oval Karaite, pi. II. fig. 1. 
Mantell, Geology of Sussex, p. 122, pi. 23, fig. 9. 
Compressed, surrounded by even undulating ribs, each orna¬ 
mented with two small tubercles situate on the outer margin; 
curvature elliptical. 
Found at Middleham by G. A. Mantell, Esq. who justly 
remarks, that “ this Karaite appears to be identified by its 
even undulating ridges, each furnished with two tubercles, 
and the elliptical form of its curvature. It must, however, be 
acknowledged, that there is considerable difficulty in distin¬ 
guishing the essential characters of a fossil, from the varia¬ 
tions that are produced by age or accident, particularly when 
only a single specimen is known.” 
28. II. multicostatus. —The Many-ribbed Karaite, pi. 
II. fig. 9. 
Mantell, Geology of Sussex, p. 123, pi. 23, fig. 5. 
Subcylindrical, with numerous, oblique, narrow ribs, with¬ 
out any appearance of tubercles. 
Mr Mantell considers this as nearly allied to Hamites 
alternatus; it is, however, much larger in its diameter, being 
nearly an inch and an eighth. 
Found at Kamsey by Mrs Mantell. 
29. K. alternatus. — The Alternating Karaite, pi. II. 
fig. 13. 
Mantell, Geology of Sussex, p. 122. pi. 23, figs. 10, 11. 
Subcylindrical, with distinct, oblique, annular ribs, which 
become obsolete in the internal margin, and two rows of 
pretty large tubercles, which are marginal, and placed on each 
alternate rib ; curvature gradual. 
Found at Middleham. 
Mr Mantell says the specimen he described w r as elliptical 
from compression ; and the tubercles being placed on each 
alternate rib, separates it from every other spiniferous Karaite. 
Genus III.— 1 TURRILITES.— Lamarck. 
Shell spiral, multilocular, turreted, volutions conti¬ 
guous and all conspicuous; partitions articulated by 
sinuous sutures; septa transverse, foliaceous, close, 
imperforate, lobed, and liciniate at the margin ; siphuncle 
near the upper part of the volutions; aperture round ; 
columella smooth ; outer chamber large. 
The species of this genus have only been found in the 
Chalk marie. 
1. T. tuberculata. —The Tuberculated Turrilite, pi. III. 
fig. 5. 
