North American Mollusca

New Hydrobiid Snails (mollusca: Gastropoda: Prosobranchia: Truncatelloidea) from North America

— The following new species of Cochliopinae (Prosobranchia: Hydrobiidae) are described: Aroapyrgus polius from Mexico; Cochliopa perforata from Costa Rica; Heleobops clytus from the Dominican Republic; H. torquatus from Jamaica; Lithococcus aletes from Costa Rica; and Littoridina microcona from Costa Rica. In addition, the following new genera and species are described: Mesobia pristina from Ho...

North American blastomycosis.

N ORTH American blastomycosis (Gilchrist’s disease) is a granulomatous, infectious disease caused by the fungus, Blastomyces dermatitidis (Gilchrist and Stokes, 1898). The malady, in its cutaneous form, was first described by Gilchrist’ in 1894. A few years later, together with Stokes, he was able to isolate and culture the causative organism which he designated as B. dermatitibis.23 The first ...

North American Logistics

Globalization induces the transport sector and supply chains to adapt to new functional and operational considerations. This is particularly the case for North America because of the geographical scale and scope of its production, distribution and consumption activities (Brooks, 2008; Rodrigue and Hesse, 2007). In a context where transport technology such as containerization has been a powerful...

North American Fungi

Morphological and molecular characteristics support the recognition of a welldefined taxonomic group within the Entolomataceae. The distinctive basidiospore form and a three locus DNA analysis separate the species that share these characteristics from other species of Entoloma s. l. We propose here a new genus, Entocybe, to accommodate these taxa.

North American blastomycosis.