Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.1

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.5

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.13

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.8

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.3

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.2

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.24

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.26

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.25

Manual of conchology, structural and systematic : with illustrations of the species. by George W. Tryon, Jr.

Ser.2, v.23

A systematic study of Flourensia (Asteraceae, Heliantheae) / Michael O. Dillon.

n.s. no.16(1984)

Systematic status of three scincid lizards (genus Sphenomorphus) from Borneo [by] James P. Bacon, Jr.

v.51:no.4(1967)

Systematic review of Philippine macaques (Primates, Cercopithecidae: Macaca fascicularis subspp.) / Jack Fooden.

n.s. no.64(1991)

Variation in scales in Dermophis mexicanus (Amphibia, Gymnophiona) : are scales of systematic utility? / Maravalee H. Wake, Kristen M. Nygren.

n.s. no.36(1987)

Variability and significance of parietal and ventral scales in the marine snakes of the genus Lapemis (Serpentes, Hydrophiidae), with comments on the occurance of spiny scales in the genus / Paul Gritis, Harold K. Voris.

n.s. no.56(1990)