LIST OF ILLUSTRATIONS.

PAGE
1. Under Side of Epeira Vulgaris 13
2. Foot of Epeira Vulgaris 14
3. Foot of Attus Mystaceus 15
4. Upper Side of Epeira Vulgaris 18
5. Section of Epeira Vulgaris 20
6. Mygale Hentzii 24
7. Dysdera Interrita and Eyes 26
8. Drassus 26
9. Agalena Nævia 27
10. Lycosa and Eyes 28
11. Salticus and Eyes 29
12. Thomisus and Eyes 30
13. Theridion 31
14. Mandibles of Epeira Vulgaris. Front View 33
15. Claw of Mandible 33
16. Spinnerets of Epeira Vulgaris 39
17. Single Spinning Tube 40
18. Spinning-Glands 40
19. Spinneret of Prosthesima 41
20. Spinneret of Agalena with some of the hairs removed 41
21. End of Thread 42
22. Trap-door Nests. Copied from Moggridge 47
23. Nest of Dolomedes 52
24. Web of Agalena 55
25. Web of Linyphia Marmorata 57
26. Web of Linyphia Communis 59
27. Pholcus swinging 61
28. Round Web of Epeira Vulgaris 62
29. Web of Zilla 65
30. Web of Nephila Plumipes. From Wilder 66
31. Part of Web of Nephila, to show the smooth threads. From Wilder 67
32. Epeira Spinea 69
33. Spinnerets of Amaurobius 72
34. Calamistrum of Amaurobius 73
35. Dictyna spinning Curled Web 73
36. Part of Web of Amaurobius 74
37. Part of Web of Dictyna, showing regular arrangement of threads 75
38. Unfinished Web of Triangle Spider. From Wilder 76
39. Finished Web of Triangle Spider, and Spider holding the Web.  
  From Wilder 78
40. Young Lycosa flying 81
41. Flying Spider with a Thread attached to the Ground 84
42. Large Attus flying by a Brush of Threads 85
43. Male and Female Nephila Plumipes. From Wilder,  
  in Proceedings Boston Society Natural History 78
44,45. Heads of Males of Several Species of Erigone 88, 89
46. Palpal Organ of Mygale 89
47. Palpal Organ of Epeira 90
48. Palpal Organ of Theridion 91
49. Epigynum of Epeira Riparia 92
50. Epigynum of Theridion 93
51. Epigynum of Theridion 94
52. Copulation of Lycosa 95
53. Copulation of Linyphia 96
54. Copulation of Agalena 96
55. Copulation of Epeira Riparia 97
56. Drassus laying Eggs 99
57. Lycosa carrying Cocoon attached to her Spinnerets 100
58. Attus Mystaceus laying Eggs 101
59. Epeira Strix making Cocoon 101
60. Epeira Strix laying Eggs 102
61. Cocoon of Argyrodes hanging by a Stem 103
62. Cocoon of Epeira Riparia. From Wilder 103
63. Eggs during Segmentation 106
64. Eggs further Advanced 108
65. Young Epeira Riparia after First Moult 109
66. Moulting of Nephila Plumipes. From Wilder  
  in Proceedings American Association 111
67. Nephila Plumipes just after Moulting. From Wilder 111