COCKS : JUBULA HUTCHINSI® IN NIDDERDALE. 351 
Leptocerus albifrons L. Clear streams. River Wharfe at 
adcaster and Boston Spa. 
Mystacides azurea 1. (nigra). Running waters. River Wharfe 
at Boston Spa and Tadcaster. 
Mystacides nigra L. (atra). Standing and slowly-running waters. 
Stutton. 
Ccetis notata Ramb. Streams. River Wharfe at Tadcaster, 
abundant. ‘The only other recorded locality in Britain is 
Weybridge, in the south of England. It has been added since 
the ‘Catalogue’ was published. 
CEcetis testacea Curt. Streams.. Abundant, with the preceding, 
by river Wharfe at Tadcaster; Boston Spa. 
Fam. 1 ¥DROPS YCHID:. 
Polycentropus flavomaculatus Pict. Shallow rapid streams. 
River Wharfe at Boston Spa 
Holocentropus Ppicicornis Steph. Clear weedy pools and lakes. 
Stutton. 
‘ Fam. RHVYACOPAILIDA. 
Rhyacophila dorsalis Curt. Swift clear streams. Tadcaster. 
apetus comatus Pict. Swift rivers. Tadcaster. 
[The fact of Mr. Binnie’s notes having been written in 1880 no 
doubt accounts for the statement that A/icropterpna sequax ‘ occurs 
very sparingly in Britain.’ Since then it has proved to be a very 
common species, and seems to adound all over our county. I find 
talmost wherever I ‘collect, including the stream and ponds in my 
: Mr. McLachlan, too, recently told me he took 
years ago in the ‘Thames,—G.T.P.] 
NOTE—HEPATICA. ie 
insiz.—The ‘ Naturalist 
cing 
therto known only as an Irish and West Coast , had 
H rid Po n -? / 
$ th had the fortune to fin 
Aiea vensgill, Pateley Bridge. 
xt to impossib! mistaken 1 fen 
ooker’s beautiful drawing before one, I neve ; fo gor 
ght it desirable to submit a specimen to oe a! ri 
rmed the determination.—L. ks, Harrogate. 
