Studies on the embryology of the Sipunculidae. I. The embryonal envelope and its homologue. ... By John H. Gerould.

no. 1

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.7=no.73-84 (1871)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.2=no.13-24 (1866)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.11=no.121-132 (1875)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.10=no.109-120 (1874)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.26=no.301-312 (1890)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.20=no.229-240 (1884)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.24=no.277-288 (1888)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.18=no.205-216 (1882)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.9=no.97-108 (1873)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.25=no.289-300 (1889)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.8=no.85-96 (1872)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.3=no.25-36 (1867)

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.

v.13=no.145-156 (1877)