[ 38 ] 



II. 



A SY^TQPSIS OF THE FALSE-SCOEPIOXS OF BEITAEST AND 



lEELAXD. 



By H. T^\A.LLIS KEW. 



Plates IY.-YI 



[communicated by PEOFESSOR 6. H. CAEPEXTER, B.SC, it.E.I.A.] 

 Bead December 12, 1910. PuHished Fkbecarv 1, 1911. 



The present account of oiu- false-seoi-pions was taken in hand some years 

 ago with the consent and co-opei"ation of the Eev. 0. Piekard Cambridge, 

 Professor G. H. Carpenter, the Eev. Eobert Godfiev, Dr. A. Eandell Jackson, 

 Mr. Frank P. Smith, and other leading British and Iiish Aiaehnologists : and 

 with the support of Mi-. Edvard Ellingsen of Kiagero (Xorway), who was 

 so good as to examine an ahnost complete collection of specimens from 

 these islands. ^M. E. Simon also has Idndlv examined some specimens and 

 has favom-ed me with others fi'om his collection for comparison: while 

 Ml-. C. J. With of Copenliagen, who has gi-eatly advanced oiu- knowledge of 

 these aniiuals during recent years, has generously helped me in various ways. 

 Acknowledgments are due also to Mr. Albert Tullgren of Stockholm; to 

 the authorities of the British Museum and of the Xational Museum of 

 Ireland ; to the Eev. C. E. X. Buitows, Mr. E. A Butler, Mr. W. Euskin 

 Buttei-field, Ml-. Horace St. J. K. Donisthoi-pe, ilr. H. E. Freeman, 

 Dr. Korman H. Joy, Mr. E. T. Lewis, Mr. C. Oldham, ill-. 0. D. Soar, 

 Mr. T. Stainforth, and Mr. G. Aii-d "WTiyte ; and to many con-espondents who 

 have obligingly contributed specimens. To all I tender my sincere thanks. 



PSEUDOSCOEPIOXES. 



Pseudoscorpiwies'Lsitreiile 1825 (li). CJwrnctcs Simon 1S7 9 (27). Clidoiicthi 

 Thorell 1883 (31). Clitrnetidm Cambridge 1892 (42). 



Arachnida with 2-jointed completely chelate cheUcerae, provided with 

 structures called seiTula and lamina interior (often also with lamina exterior), 

 and bearing openings of spinning-ducts often produced into a " galea." 

 Maxillae movable in small degi-ee, with laminae forming part of mouth, pars 

 palpigera very large with enormously developed completely chelate palp. 

 Eemaining 4 paii-s of appendages all ambulatory, 2-clawed. Cephalothorax 



