Practical observations on the radix rhataniae, or rhatany root, a product of Peru : containing an account of its sensible qualities, it powers as a tonic or stomachic medicine, the various forms in which it may be employed, and the most respectable testimonies in its favor as superior to the Peruvian bark in all cases that require the use of a strengthening medicine ; to which are added, directions for the use of the phosphate and oxyphosphate of iron in cancer, etc. /

Mode of access: Internet.

An investigation of evolution in chrysomelid beetles of the genus Leptinotarsa /

10 of the plates are preceded by leaf with descriptive letterpress.

Three golden days; tan-bark tales,

Mode of access: Internet.

Bark structure of North American conifers /

Literature cited: p. 84-85.

Grasshopper egg pods destroyed by larvae of bee flies, blister beetles, and ground beetles /

Literature cited: p. 28-29.

A revision of the North American species of buprestid beetles belonging to the tribe Chrysobothrini ...

Contribution from Bureau of entomology and plant quarantine.

Probable evolution and morphological variation in South American Disonychine flea beetles (Coleoptera: chrysomelidae) and their amaranthaceous hosts /

Issued June 1979.

Classification of the Dermestidae (larder, hide, and carpet beetles) based on larval characters : with a key to the North American genera /

Contribution from Bureau of Entomology and Plant Quarantine.

A revision of the North American species of beetles belonging to the family Bostrichidae /

Contribution from Bureau of Entomology and Plant Quarantine.

A revision of the New World species of powder-post beetles belonging to the family Lyctidae /

Selected references: p. 46-55.

Decomposition of wood and bark sawdusts in soil, nitrogen requirements and effects on plants /

Caption title.

Artashesian Artawazday barkʻn u vakhchaně.

Half title: Artawazd.

Indian Camp

on verso: No. 84. Indian Camp. Birch bark canoes on bank of Kaministiquia River, Canada.