Summary

Portrait of Alexander Henry Haliday Alexander Henry Haliday Letters from Alexander Henry Haliday to Hermann Loew 29 April 1869 and 186-

Your collection must embrace new rare materials - as are hardly to be found together elsewhere. The edifice of Meigen has been rebuilt to a considerable extent now piece by piece, but these are scattered here & there, and the need must be felt for a complete revision of the Diptera of Europe, to supplement, if not to supersede, his memorable labours.
Source: Wikisource

Portrait of Alexander Henry Haliday Alexander Henry Haliday Letters from Alexander Henry Haliday to Hermann Loew 29 April 1869 and 186-

When the sun has struggled out through the clouded sky as it does occasionally I have not neglected collecting as I must take exercise for health in any case when I can—but I have not obtained much. My chief search and a fruitless one has been for the purpose of replacing a genus of Hymenoptera my only two specimens of which yielded dinners to the Psoci while I was so long disabled by illness—I came upon the first specimen of Pegophila meridionalis a few days ago.
Source: Wikisource

Portrait of Alexander Henry Haliday Alexander Henry Haliday Letters from Alexander Henry Haliday to Hermann Loew 29 April 1869 and 186-

When I saw his collection he had only 2 Italian species of Blepharicera and one species from Crete a single specimen which did not seem to me to be Apistomyix elegans—but rather as he considered a n.g. That is a curious one figured among the Novara Diptera----
A Fedchenko is a skilled collector;—and his intended sojourn (next summer) in Turkistan will afford virgin soil, I imagine for Diptera.
Source: Wikisource

Get perspective with Kwize: daily news enlightened by great literature