Notes on North American Mosses. I

Notes on North American Myriapoda of the Family Geophilid ^ , with Descriptions of Three Genera

When, in 1814, Leach erected the family Geophilidce, he proposed but the one genus, Oeophilus. From that time until 18G6 thirteen genera were described, four by Newport, one by Gray, and eight by C. Koch. The characters employed by these writers were external and extremely variable, and the genera established upon them did not, 'for the most part, represent natural groups. The character of the ...

Anostracan (Crustacea: Branchiopoda) zoogeography I. North American bioregions.

Nine anostracan biogeographical regions are defined for North America: Appalachia/Ozark, Southwest Arid, Great Plains, Coastal Plain, Neotropical, California, Cold Deserts, Beringia/Canadian Shield, and Transmontane. These regions are quantitatively defined using species distributions compared through Jaccard's Coefficient of Community Similarity, and qualitatively defined using climate data, f...

Notes on Sandflies. Part I

I. Notes on Structured Programming

These notes have the status of "Letters written to myself": I wrote them down because, without doing so, I found myself repeating the same arguments over and over again. When reading what I had written, I was not always too satisfied. For one thing, I felt that they suffered from a marked verbosity. Yet I do not try to condense them (now), firstly because that would introduce another delay and ...

New Synonymy , New Species , and Taxonomic Notes of North American Pityophthorus ( Coleoptera : Scolytidae ) , Part Iii

— New synonymies and new data affecting North American Pityophthortis are proposed as follows: chalcoensis Hopkins { = herrerai Hopkins) and nigricans Blandford ( = chiapensis Bright). Neotypes are designated for the following species described by Eichhoff: concentralis, cribripennis, infans, puchellus, and tuberculatus. New species are: carinatus (Canada), cavatus (Manitoba, Saskatchewan), eut...