296 Ke7v : North of England Pseudoscorpions. 



13. Hairs strongfly and uniformly clavate ... ... ... phaleratus. 



14. Hairs less strong-, many simple .. ... ... ... dubiiis. 



15. Hairs clavate ... ... ... ... ... ... ... ... 17 



16. Hairs simple ... ... ... ... ... ... ... latreillii. 



17. Pedipalps robust ... ... ... ... ... ... ... ... 19 



18. Pedipalps long-, slender ... ... ... ... ... ... ... 21 



19. Fing-ers shorter than hand ; hairs on pedipalps mostly obtuse, if 



any clavate ... ... ... ... ... ... stibrnber. 



20. Fingers equal to hand in leng-th ; hairs on pedipalps generally 



clavate ... ... ... ... ... ... ... meridtatuis. 



21. Pedipalps much attenuated, with tibia ver\- slig^htly (if at all) 



shorter than femur ... ... ... ... ... hermanjii. 



22. Pedipalps generally stouter, with tibia distinctly (not greatly) 



shorter than femur ... ... ... ... ... concroides. 



23. First and second leg's with femur of two pieces and tarsus of two 



pieces; fingers curved... ... ... ... ... ... ... 25 



24. First and second legs with femur of two pieces and tarsus of one 



piece; fing^ers straight or nearly so... ... ... ... .. T,2t 



25. Eyes two ... ... ... ... ... ... ... ... ... 27 



26. Eyes four ... ... ... ... ... ... ... ... ... 29 



27. Pedipalps with tibia as long as femur ; fingers as long as hand 



canibridgii. 



28. Pedipalps with tibia distinctly shorter than femur ; fingers longer 



than hand... ... ... ... ... ... ... liibrims. 



29. Fing-ers short, strong, scarcely equal (or no more than equal) to 



hand in length ... ... ... ... ... ... ... ... 31 



30. Fingers long, less sti-ong-, considerably longer than hand ... 



iiniscormii. 



31. Hand robust ; femur of pedipalps shorter in proportion 



sylvaticmii. 



32. Hand less robust, somewhat oval ; femur of pedipalps longer in 



proportion to tibia ... ... ... ... ... inarifimum. 



33. Hand with depression at base of fixed finger ; fingers but slighth- 



longer than hand ... ... ... ... tetraclielatits. 



34. Hand without depression ; fingers much longer than hand... ... 35 



35. Hand unicolorous with rest of pedipalp ; fingers straig-ht ... .. 37 



36. Hand deeply coloured ; fingers very slightl}- curved... teiniis. 



37. Distance between eyes equal to their diameter orihodactylus. 



38. Distance between eyes nearly double their diameter ... rayi. 



H. A LIST OF THE BRITISH SPECIES, MARKED TO SHOW 

 THOSE KNOWN IN THE NORTH OF ENGLAND. 



Class : Arachnida. 



Order: PSEUDOSCORPIONES. 



Sub-Order : Payictenodaciyli. 



Family: CHELIFERID.E. 



Sub-Fauiily : Cheiridi'nice. 



X I. Cheiridium museorum (Leach). 1817. 



N.Tturalist, 



