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At the request of Baron Nordenskiöld I have examined
the few Neurojotera (sensu Linn.) collected during his voyage
in 1878—1879. They were received by me from Dr Chr.
Auri-villius, of the Entomologi cal Museum in Stockholm. Ali
are in alcohol, and are contained in 9 glass tubes. Only 5
species are represented, and of these it is possible to determine
only two with certainty; these two are Chilostigma praeteritum
Walker and Microsema scissum Mc Lachlan (sp. nov.), both
pertaining to the Trichoptera and found in abundance.
Pseudo-N eur optera.
Fam. Ephemeridae.
Baetis, sp. ? — Two small nymphs were submitted to the
examination of Mr Eaton, who says they certainly pertain to
the genus Baetis; specifie identification is not possible. They
are from Chabarowa, July 31st, 1878.
Fam. Odonata.
Cordulia (Somatochlora) sp.? — One tube contains the
posterior wing of a o71 Cordulia (Somatochlora) from Dickson s
Haven, August 1878. I know not under what circumstances
this wing was found, and it is not possible to identify the species
to which it belonged. The high northern latitude would point
to C. arctica Zett., but I do not think it belonged to that
species, ’for in its general form, &e., it agrees better with C.
metallica, Van d. Linden. Ali that can be said is that it is
the wing of a ^ Cordulia (sub.-g. Somatochlora Sei)7s). The
discoidal triangle is empty, and there is an internal triangle.
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