Complete larval histories, consisting of a prezoeal stage, two
zoeal stages and one megalopal stage,are described for four species
of porcellanid anomurans. Larvae of three species were reared
from embryos through the megalopa stage in the laboratory. Larvae
of the fourth species were collected from the plankton and reared to...
During the six-month period of July through December, 1966,
a study of animals inhabiting laminarian holdfasts in Yaquina Bay,
Oregon, was carried out to determine what animals live in this habitat
and to gain some idea of the factors which influence their presence
and distribution. This study deals with yet...
Smart weapons promise to provide leap ahead capability with regard to accuracy and engagement range for medium and large caliber projectiles. One of the most critical components of a smart weapon system is its sensor suite that provides position, orientation, and velocity information as the projectile flies down range so...