DESCRIPTION OF THE PLATES. 
143 
FIG. PAGE 
Plate XXXVI. 
1, 3, 19, 20. Artemis exoleta. 92 
2, 4. Artemis lincta 92 
5, 7, 8. Pullastra aurea 89 
6. Pullastra virginea 89 
9. Pullastra Irus 89 
10. Venus fasciata 91 
11. Venus Gallina 89 
12. Venus sulcata 90 
13. Venus costata 90 
14. Venus rugosa 90 
15. 16. Mp'tea spinifera 98 
15. * Venus casina 90 
16. * Venus verrucosa 90 
17. 18. Lassea rubra 93 
Plate XXXVII. 
1. Cyprina vulgaris 93 
2. Cytherea Chione 91 
3. Cytherea minima 92 
4. Cytherea minuta 92 
5. 6. Pullastra decussata 88 
7. Pullastra vulgaris 89 
8, 9. Pullastra virginea 89 
10. Pullastra perforans 89 
11. Venus ovata 91 
12. 13. Venus reflexa 91 
14,15. Venus laminosa 90 
Plate XXXVIII. 
1. Crassina Danmoniensis ... 95 
2. Crassina depressa 96 
3. Crassina elliptica 96 
4. 5. Crassina corapressa 96 
6, 7, 8. Crassina striata 96 
9. Crassina Scotica 95 
10. Crassina sulcata 96 
1 1 . Cyprina vulgaris 93 
12. 13. Crassina ovata 96 
Plate XXXIX. 
1,2. Lucina undata 98 
3. Lucina lactea 98 
4, 5, 5, *6, 7. Cryptodon flexuo- 
sus 99 
(5,* hinge; 6 and 7, var.) 
8, 9. Lucina radula 98 
10. Capsa complanata 97 
11. Donax trunculus 97 
12. Capsa castanea 97 
13. Donax ruber 97 
14. 15. Myrtea spinifera 98 
16, 17, 18. Cyclas rivicola ... 93 
17. * Modiola rhombea 78 
19. Cyclas cornea 93 
20. Cyclas lacustris 94 
2 1 . Cyclas calyculata 94 
22. Pisidium obliquum 94 
23. Pisidium fontinale 94 
24. Pisidium obtusale 94 
25. Pisidium appendiculata ... 95 
26. Pisidium nitidum 95 
27. Pisidium pusillum 95 
28. Pisidium cinereum 95 
29. Lucina leucoma 99 
30,31. Psammobia tellinella... 102 
32. Psammobia Laskeyii 103 
33. Psammobia polygona 102 
34. Psammobia costulata 102 
FIG. PAGE 
35. Tellina similis 101 
Plate XL. 
1,2. Psammobia Ferrbensis... 101 
3. Psammobia vespertina 101 
4, 6, 6. Psammobia jugosa ... 101 
7. Lepton squamosmn Ill 
8. Arcopagia crassa 99 
9. 10. Arcopagia ovata 99 
1 1 . Lucina rotundata 98 
12. Tellina depressa 100 
13. Tellina punicea 100 
14. Tellina solidula 101 
15. Tellina striata 100 
16. Tellina Donacina 101 
17. Tellina lineata 100 
18. Tellina Fabul a 101 
19. Tellina tenuis 100 
20,21. Tellina elliptica 101 
22. Tellina pellucida 101 
23. Tellimya substriata 107 
24. Crassina corrugata 96 
25. Mactrina triangularis 108 
26,27. Myatella Moutagui ... Ill 
Plate XLI. 
1 . Mactra glauca 107 
2. Mactra stultorum 107 
3. 4. Mactra solida 108 
5. Mactra truncata 108 
6. Mactra elliptica 108 
7. Mactra subtruncata 108 
8. 9. Mactra dealbeta 107 
10. Mactra striata 108 
11, 12. Mactra triangulata. Fo- 
reign 
Plate XLII. 
1. Ligula prsetenuis 106 
2. Amphidesma tenue 105 
3. Amphidesma Boysii 105 
4. Amphidesma truncata 106 
5. Amphidesma prismatica ... 105 
6. Corbula rosea 105 
7. 8, 9. Corbula nucleus 105 
10,11. Tellimya lactea 106 
12,13. Tellimya tenuis 106 
14, 15. Tellimya suborbicularis 106 
16, 23, 24. Sphenia Swainsoni 104 
17, 18, 22. Sphenia Binghami. 104 
19. Tellimya elliptica • 106 
20,21. Tellimya glabra 107 
25, 26, 26.* Mactrina minutis- 
sima 108 
27. Anatina arctica — 
28. Thracia truncata 110 
29,30,31. Saxicava purpurea. 103 
32, 33. Corbula ovata 105 
34, 35. Modiola Ballii 132 
Plate XLIII. 
1. Lutraria Solenoidea 109 
2. 3. Lutraria elliptica 109 
4. Lutraria compressa 109 
Plate XLIV. 
1,2, 10. Magdala striata Ill 
3. Thracia convexa 110 
4. Thracia ovata 110 
FIG. PAGE 
6. Thracia declivis 109 
6. Thracia pubescens 110 
7. Thr acia distorta 110 
8,9. Tellimya bidentata 107 
11, 12, 13, 14. Thracia brevi- 
rostra 110 
Plate XLV. 
1 . Mya arenaria Ill 
2. Mya truncata Ill 
3. Sphenia decussata 104 
4. 5, 6, 7. Mytilus edulis 77 
(var. 4, subsaxatilis.) 
Plate XL VI. 
1. Panopsea Clycimeris 112 
2, 3, 4. Terebratula psittacea 68 
5. Anomia electrica 70 
6. Avicula Atlantica 74 
Plate XLVII. 
1. Hiatella minuta 103 
2.2. Solen vagina 112 
2. * Solen Ligula 112 
3.3. * Solen siliqua 112 
4. Solen pellucidus 113 
5, 12, 13. Pandora rostrata... 104 
6,7. Azor antiquatus 113 
8. 9, 9.* Solenocurtus Legu- 
men 113 
10, 10.* Solen Ensis 113 
14, 16. Saxicava rugosa 103 
15. Hiatella oblonga 103 
Plate XLVII I. 
1, 2, 3, 4, 5. Pholas crispata. 114 
6, 7, 8, 9, 10. Pholas Candida 115 
11, 12. Pholas parva 115 
13, 14. Castrochaena Pholadia. 116 
15, 16. Saxicava rugosa, var. . 103 
17, 18. Pholas sulcata 115 
Plate XLIX. 
1,2,3. Pholas dactylus 115 
4, 6, 7, 9. Pholas papyracea . 114 
5, 8. Pholas striata 115 
10, 11. Pholas lamellata 114 
12, 13. Pholas tuberculata 115 
Plate L. 
1, 2, 3, 4, 5, 6, 7. Teredo 
navalis 116 
(1 &, section of the lower end of 
the tube ; 2, an entire tube, 
with the bivalve seated on its 
wider extremity; 3, 4, and 5, 
different views of the bivalve; 
6 and 7, different views of the 
spoon -shaped appendage.) 
8, 9, 10, 11, 12, 13. Xylopha- 
ga dorsalis 117 
(11, 12, and 13, different views 
of the bivalve.) 
14, 15. Teredo nana 116 
16. Teredo maleolus 116 
Plate LI. 
1. Pentelasmis anseriferus ... 119 
2. Pentelasmis fascicularis ... 120 
FIG. PAGE 
3. Pentelasmis radula 120 
4, 5, 6. Pentelasmis sulcatus . 119 
(5 and 6, var. 6.) 
7, 9, 10. Scalpellum vulgare . 119 
(7, var. a; 9, var. fi; 10, var. c.) 
8. Scalpellum similium 119 
11, 12. Pollicipes cornucopia... 118 
(11, var. a ; 12, var. 6.) 
13, 14, 15. Otion Blainvillii ... 118 
(13, var. 1; 14 and 15, var. 2.) 
16, 17, 18. Cineras vittatus ... 118 
(16 and 18, var. a; 17, var. b.) 
Plate LII. 
1, 2, 3, 4. Pentelasmis anati- 
ferus 119 
5. Pentelasmis dentatus 119 
Plate LIII. 
1, 2, 3, 22. Balanus Scoticus. 121 
(2 and 3, the operculum.) 
4, 7, 8, 21. Balanus rugosus . 120 
(7 and 8, the operculum; 21, an 
elongated variety.) 
5, 6, 13, 20. Balanus punctatus 121 
(5 and 6, the operculum ; 20, an 
elongated variety.) 
8,* 9,* 17. Balanus balanoides 120 
(8* and 9,* the operculum.) 
9, 10, 11, 12. Balanus Cranchii 121 
(11 and 12, the operculum.) 
14, 15, 16. Balanus spongicola. 121 
(14 and 15, the operculum.) 
23. Balanus communis 120 
24, 25, 26. Balanus Montagu! . 121 
(26, the operculum.) 
27, 28, 29. Pyrgoma Anglica... 120 
(28, the operculum.) 
30. Clitia verruca 122 
Plate LIV. 
1. Balanus communis 120 
2, 3. Balanus costatus 120 
4, 5. Balanus balanoides 120 
6, 13, 14. Balanus rugosus ... 1:20 
(13 and 14, the operculum.) 
7, Balanus conoides 121 
8, 9, 10, 11, 12. Balanus can- 
didus 121 
(8, an elongated variety; 11 and 
12, the operculum.) 
Plate LV. 
1,5. Serpula triquetra 123 
2, 3. Serpula vermicularis ... 123 
4. Serpula contorta 122 
6. Serpula spiralis 122 
7. Serpula perversa 122 
8. Serpula serrulata 123 
9. 10. Serpula tubularia 122 
Plate LVI. 
1. Dentalium Cadus 117 
2. Dentalium octangulatum... 117 
3. Brochus glabrus 125 
4. 5. Dentalium labiatum ... 117 
6. Brochus Isevis 125 
7. Dentalium entalis 117 
8. Dentalium dentalis I17 
