A monograph of the gymnoblastic or tubularian hydroids /

Each plate preceded by leaf with descriptive letterpress.

Die entstehung der sexualzellen bei den hydromedusen; zugleich ein Betrag zur Kenntniss des Baues und der Lebenserscheinungen dieser Gruppe.

Plates have separate t.p. and each is preceded by leaf with descriptive letterpress.

Harriman Alaska series. vol. I-V, VIII-XIV

Vols. I-V and VIII-XIII are of the original issue, with title: Harriman Alaska expedition with cooperation of Washington academy of sciences. Alaska ... New York, Doubleday, Doran & company, 1902-05. To each of these volumes the Smithsonian t.-p. has been prefixed

Harriman Alaska series.

Vols. 6-7 remain unpublished (October 1933)