t'LATE XXI. 



fig. 1. fepeira riparia, cf , and palpus of c?. 



" 2. " fasciata, cf , and palpus of d*. 



" 3. " insulariS) palpus of d". 



" 3rt. " " terminal joint of palpal orgarli 



" ab. " " " " " " 



" 4. " vulgaris, palpus of cT. 



" 5. " displicata, palpus of d". 



" 6. " gibberosaj palpus of c?. 



" 7. " caudata, palpal organ. 



" 8. " spinea, d, and palpus of <^. 



" 9. Linyphia communis, palpus of d. 



" 10. " marmorata, palpus of d". 



" 11. " costata, palpUs of d'. 



" 12. Theridion vulgare, palpUs of d'. 



" 13. " boreale, palpus of d". 



" 14. " trigonum, d', and palpUs of c^. 



" 15. Linyphia autumnalis, palpus of d". 



" 16. Theridion marmoratum, palpus of d*. 



" 17. " sphffirula, palpus of d'. 



" 17rt. " " " " 



" 18. Pholeus atlanticus, palpus of d. 



