The Bees of the World

The Bees of the World

In this extensive update of his definitive reference, Charles D. Michener reveals a diverse fauna that numbers more than 17,000 species and ranges from the common honeybee to rare bees that feed on the pollen of a single type of plant. With many new facts, reclassifications, and revisions, the second edition of The Bees of the World provides the most comprehensive treatment of the 1,200 genera and subgenera of the Apiformes. Included are hundreds of updated citations to work published since the appearance of the first edition and a new set of plates of fossil bees.

The Bees of the World

Variational and Potential Methods for a Class of Linear Hyperbolic Evolutionary Processes

Variational and Potential Methods for a Class of Linear Hyperbolic Evolutionary Processes

The book presents variational methods combined with boundary integral equation techniques in application to a model of dynamic bending of plates with transverse shear deformation. The emphasis is on the rigorous mathematical investigation of the model, which covers a complete study of the well-posedness of a number of initial-boundary value problems, their reduction to time-dependent boundary integral equations by means of suitable potential representations, and the solution of the latter in Sobolev spaces.

Variational and Potential Methods for a Class of Linear Hyperbolic Evolutionary Processes

Tudor and Elizabethan Fashions

Tudor and Elizabethan Fashions

Forty-five handsome, ready-to-color plates of illustrations depict all social classes in 15th- and 16th-century England from country workers in woolen tunics and leather boots and sailors in canvas breeches and shirts to officials in fur-trimmed robes and elegantly clad Tudor monarchs. Also, detailed drawings of period hairstyles, headgear, shoes, gloves, jewelry, more.

Tudor and Elizabethan Fashions