2nd copy of no.1 catalogued as a monograph and shelved at 591.5248.
2nd copy of no.2 catalogued as a monograph and shelved at 597.09948.
2nd copy of no.11 catalogued as a monograph [kept Herpetology at 597.909948 COG].
2nd copy of no.14 catalogued as a monograph and shelved at 581.529.
Series has been discontinued.