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

Ser.2, v.9

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

Ser.2, v.4

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

Ser.2, v.16

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

Ser.2, v.6

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

Ser.2, v.12

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