A new species of cladoid inadunate crinoid, Endelocrinus kieri sp. n. from the Ames Limestone, Conemaugh Group, Pennsylvanian, is described. The Conemaugh form is closely related to Endelocrinus rectus Moore and Plummer ...

The purpose of this paper is to present the fundamental technical arrangement involved for optical radar, its resolution, and requirements concerning the light source for use with it. Some basic optical radar problems are ...

A toxin extracted from a waterbloom of the blue-green alga Microcystis aeruginosa was found to have an LDioo to mice of 3 mg/kg. Death occurred in less than 4 hours and was accompanied by symptoms corresponding to those ...

A plaque technique for quantitating enteric viruses using liquid growth medium on the agar overlay was developed. Deletion of neutral red and staining of plaques using crystal violet, following plaque development, facilitated ...

Beginning with the organizational meeting of the Ohio State Academy of Science 31 December 1891, papers were read sporadically over many years on medical subjects. At first these were prepared largely by biologists and ...

Previously, the inadunate crinoid genus Oklahomacrinus has been reported from the Middle and Upper Pennsylvanian and Lower Permian of the midcontinent region of North America. With the discovery of a new species, described ...

Newborn laboratory hybrids of Peromyscus maniculatus and P. polionotus were observed daily from birth to weaning and compared with offspring of each of the parent types. The Fi hybrids were intermediate between the parent ...