Smith, Geoffrey,
Primitive animals. / by Geoffrey Smith. - Cambridge : The University press, 1911. - x, 156 p. : ill. ; 17 cm. - The Cambridge manuals of science and literature . - Cambridge manuals of science and literature. .
Includes index.
a 12000150
Zoology.
Evolution.
QL50 / .S7
590 / SMP
Primitive animals. / by Geoffrey Smith. - Cambridge : The University press, 1911. - x, 156 p. : ill. ; 17 cm. - The Cambridge manuals of science and literature . - Cambridge manuals of science and literature. .
Includes index.
a 12000150
Zoology.
Evolution.
QL50 / .S7
590 / SMP