264 
Page, 
19. Bulla elongata. 100 
20 . filosa ..... 100 
21. 22, 23. Utriculus crenatus. 101 
24, 25. Bulla attenuata. 101 
26. Utriculus humeralis.'. 101 
27, 28, 29. elongatus. 101 
30. glaber .... 101 
31, 32, 35. Ancylus elegans . 102 
33, 34. Helix globulus . 100 
36, 37. Calyptnea echinatulum. 102 
38, 39. rectum. 102 
40, 41,42. obliquum .. .. 102 
43,44, Pileopsis Uuguis ... 102 
45. Calyptrjea tuberculatum. 102 
46, 47. spinulosum... 102 
48, 51. Pileopsis Neritoidcs . 102 
50, 55. trilobus . 103 
52. tubifer... 103 
53. vetustus........ 103 
54. angustu 8 . 103 
Plate XLVIII. 
1, 2. Sipho clathrata. 103 
3,4. Emarginula reticulata. 103 
5,6. scalaris. 103 
7, 8 . Fissurella gneca .... 103 
9, 10. Emarginula crassa. 104 
11. Patella mucronata . 104 
12, 13. striata . 104 
14,15. Emarginula tricarinata. 104 
16, 17. sulcata . 104 
18. Patella rugosa.,. 104 
19. sinuosa ... 104 
20 . scutiformis . 104 
21 . 22 . Levis. 104 
23. lata . 104 
24, 25, 26. nanus . 105 
27, 28, 29. ancyloides. 105 
30. retrorsa. 105 
31, 32. equalis ... 105 
33. curvata... 105 
34. latissima . 105 
35,40. Mctoptoma imbricata . 105 
36. Patella lateralis . 105 
37. Metoptoma sulcata. 105 
38. oblonga. 105 
39. pilcus. 105 
41. elliptica. 105 
Plate XLIX. 
1 . 10, 21, 22. Orbicula nitida. 143 
2. Lingula ovalis . 106 
3. elliptica. 106 
4. squamiformis. 106 
5. 13. Magus pumilus . 116 
6 . Lingula Mytiloides . 106 
7. Beanii. 106 
8 . 9. Orbicula Humphricsiana. 143 
10,15. Lingula parallcla . 106 
Page. 
12. Lingula marginata . 106 
14, obliqua . 
16, 26. Orbicula granulata. 143 
17, 18, 19. rcflexa. 143 
20 . Lingula scutiformis . 106 
23. tenuis... 
24. Gypidium Aylcsfordi .,. 115 
25. 36, 37, 38. Spirifer euspidatus . 108 
27, 28. insculpta . 108 
29. senilis . 108 
31,32. Gypidium Knightii . 115 
30. Orthis crcnistria .. 108 
33, 34. Spirifer distans. 108 
35. septosa. 108 
39, 40, 41. Pentamirus Levis. 115 
Plate LII. 
Page. 
1. Spirifer squamosa. 
2. Orthis filiaria . 
3. Spirifer elongata .. 
4. 
planisulca. 
5. 
expansa .. 
6. 
rcsupinata . 
7. 
glabistria. 
8. 
radialis..... 
9, 10. Terebratula hastata . 
11,20. 
identata. 
12 . 
globularis .... , 
13. 
connivcns .... 
14,21. 
triquetra . 
15, 16. 
perovalis . . . • .. 
17, 18. 
globata . 
Plate L. 
1, 2, 3, 4. 
Spirifer trigonalis. 
5. 
triangularis. 
6,7. 
li neat us . 
8 . 
Beanii. 
9, 10. 
octoplicatus .... 
11 , 12. 
pinguis . 
13, 14. 
Walcottii . 
15, 16. 
minimus. 
17, 18. 
rotundatus. 
19, 20. 
striatus . 
21 , 22. 
bisulcus. 
23, 24. 
semicircular is .... 
25, 26. 
attenuatus. 
27, 28. 
undulatus ...... 
.... 110 
Plate LI. 
1. Spirifer ovalis . 
2 , 16. 
rhomboidea. 
3. 
humorosus. 
4, 5. 
fusiformis. 
6 . 
planata . 
7. 
pyramidalis. 
8 . 
integricostatus ........ 
9. 
trisulcosus . 
10 . 
triradialis .. 
II, 12. 
Glovcri . 
13. 
duplicosta . 
14. 
linguilifera. 
15. 
convoluta . 
17. 
sexradialis. 
18. 
mesolobus . 
.... Ill 
19. 
taeniata . 
20 . 
oblatus . 
21 . 
elliptica . 
22 . 
obtusa. 
23. 
symmetric^ . 
24. 
lata .. 
25. 
imbricata. 
26. 
decora . 
27, 28, 29. 
glabra. 
30, 31. 
filiaria.. 
19. Orthis arachnoidea. 117 
22, 23. Terebratula emarginata ... 132 
24. Leptena papilionacea .,. 122 
25,26. Terebratula bullata . 132 
27, 28. obtusa . 132 
29, 30. maxillata . 132 
31,32. Sella . 132 
33, 34. elongata. 133 
35, 36. biplicata...... 132 
37, 38. bucculenta. 132 
39, 40. sacculus. 133 
Plate LII.* 
1, 2. Orthis grandis .. 117 
3, 4. clegautula .. 117 
5,6. Strigoccphalus brcvirostri . 116 
7. Orthis virgata . 117 
8,9. vespcrtilio. 117 
10. testudinaria . 118 
11. Trigonoscmus Lyra .. 116 
12. 13. Strigocephalus giganteus . 116 
14. Orthis triangularis . 117 
15, 16. Strigocephalus Burtini. 116 
17, 18, 19. Spirifer lieteroelitus.. 113 
20,21,22. biloba. Ill 
23, giganteus . 113 
24, 25. speciosus... 113 
26. striatulus. 113 
27,60. radiatus. 113 
| 28. phalama. 113 
I 29. obliteratus. 114 
30,31. pisum.. 114 
32, 47. pulchella . 
33. crispus .. Ill 
32,* 33.* ptychodcs. Ill 
I 34. affinus.....114 
35,36. costatus. 114 
: 37. inornatus . 114 
| 38. extensus. 114 
| 39, 40. Orthis flabellum. 117 
41, 42. Spirifer interliniatus. ill 
43, 44. tripizoidales . Ill 
45, 46. grandievus. 114 
48. disjunct us. 115 
