124 PORRITT: NEUROPTERA AND TRICHOPTERA OF YOR 
Silo re Huddersfield ; Shipley Glen, near 
(J. W. Carter) ; Castle owed: and doubtless in ma 
Lae : 
Crunecia irrorata. Recorded from Huddersfield by 
McLachlan, but I do not know on whose authority. 
Lasiocephala basalis. One specimen at Castle Howard 
Berza pullata. Abundant on herbage beneath dripping 
one end of Pennyspring Wood, Huddersfield. Also 1 
Dunford Bridge. 
Berza maurus. Apparently equally common with the 
same place at Huddersfield. 
Molanna angustata. Common. Frizinghall, Bradfore 
Carter); on the canal at Thorne; Sherburn (G. C. : 
Castle Howard. 
Leptocerus nigro-nervosus. I! found this species 
on the river at Castle Howard in 1896; Mr. Dennis als 
-me from York in 1890. 
Leptocerus annulicornis. Castle Howard; Mr 
gave it me, he believed, from York. 
Leptocerus aterrimus. Abundant on many of the old 
about Huddersfield ; Bradford ; no doubt generally 4! dis 
Leptocerus cinereus. York (G. C. Dennis); i2 r 
thousands on the river at Castle Howard, where, 
time it is on the wing, it evidently forms the chief i 
colonies of Sand Martins there. 
cher Ne commutatus. Recorded from Scarber 
~ Me lan. 
at bilineatus. Castle Howard. 
Mystacides nigra. Abundant. Thorne ; Askern; 5 
Scarborough. : 
Mystacides azurea. Also very plentiful. Huddersfield 
ford; York ; Castle Howard. 
Mystacides iongic cornis. Common on canals and old r 
Huddersfield ; York ; Thorne 
Triznodes bicolor. Castle Howard. 
