158 Harvestmen and Pseudoscorpions of Yorkshire. 
C. 
V.C. 64.-—Boston Spa, amongst leaves on river. DE - 
Thorp Arch; in a ditch. 
V.C. 65.—Aysgarth, under stones, H. W. 
TETRACHELATUS Preyss. 
Widely distributed in the British Isles and most abundant 
near the sea, less frequent further inland, occurring 
amongst leaves and moss in woods and beneath stones, 
often in greenhouses and old gardens. The Irish 
records of C. orthodactylis Leach, are referable to this 
species. (Ivish Naturalist, December 1909, pp. 249- 50): 
1st’ Record: the Author, Slaithwaite, June, 1908. 
V.C. 61.—Humber Bank, near Marfleet and at Saltend, 
ies: eke Naturalist, August and October, 1908. 
Spurn at base of sea buckthorn. 
V.C. 63.—Saltaire, behind ivy on a house wall, two examples, 
W.P.W.; Mr. Weaving’s greenhouse, Bottoms Wood, 
Slaithwaite, on the under surface of the boards, many 
examples. The Naturalist, July, 1908, p. 288. 
Fam.: OBISIIDAE. 
Gen. OpistumM Leach. 
. MUSCORUM Leach. 
The commonest of the Yorkshire pseudoscorpions ; abun- 
dant also in most parts of the British Isles and the 
Continent ; amongst fallen leaves, moss, grass roots, 
and beneath stones, in woods and in the open, ranging 
from our highest hills to the coast. 
1st Record: the Author, Slaithwaite, July, 1899. 
V.C. 61.—Beech wood at South Cave, Houghton Woods 
near Market Weighton, Swine, Welwick, Riplingham, 
Beverley Long Lane, Hornsea Mere, T.S.; Skipwith 
Common ; Rillington and Scampston. 
V.C. 62.—Numerous stations in the Cleveland, Scarborough 
and Whitby districts, G.B.W., J.W.H RAD.” WePIW 
W.F. 
V.C. 63 and 64.—In the basins of the Colne, Calder, Aire 
and Wharfe, O. muscorum has been taken wherever 
search has been made, and stations are too numerous 
to mention individually. S.M., W.P.W., R.B., W.F. 
Basin of (1) Tvent—Maltby, Y.N.U.; (2) Don and 
Dearne—Cawthorn and Deffer Wood; (3) AMWJersey— 
Saddleworth and Greenfield ; (4) Lune—Ingleborough 
and district ; (5) Nidd—Knaresborough and Pateley 
Bridge, W.P.W., W.F.; (6) Uve—Sawley,.S.M., W.F. : 
Mickley, Hackfall. 
V.C. 65.—Upper Teesdale, Y.N.U.; Aysgarth, H.W. 
(To be continued). 
Naturalist. 
