On the anatomy of vertebrates ... By Richard Owen.

1

New species of Digitaria, Pennisetum, and Poa (Gramineae) from Costa Rica / Richard W. Pohl.

v.38:no.2(1976)

Family #15, Gramineae / Richard W. Pohl.

n.s. no.4(1980)

A redescription of Amphiprion nigripes Regan, a valid species of anemonefish (family Pomacentridae) from the Indian Ocean [by] Gerald R. Allen and Richard N. Mariscal.

v.58:no.8(1971)

Larval life in the leaves: arboreal tadpole types, with special attention to the morphology, ecology, and behavior of the Oophagous Osteopilus brunneus (Hylidae) larva / Michael J. Lannoo, Daniel S. Townsend, Richard J. Wassersug.

n.s. no.38(1987)

Studies on Spiroboloid millipeds. IX. a second Typhlobolellid genus from Mexico / [by] Richard L. Hoffman.

v.62:no.3(1973)

Measurements of the age of the solar system / by Robley D. Evans --

v.7:no.6(1943)