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Symposium on "the Life Cycle in Insects"
by: Folsom, Justus Watson
Published: (1920)
by: Folsom, Justus Watson
Published: (1920)
Contributions to the herpetology of Porto Rico
by: Schmidt, Karl Patterson
Published: (1918)
by: Schmidt, Karl Patterson
Published: (1918)
Birds of Porto Rico (Concluded)
by: Bowdish, B. S.
Published: (1903)
by: Bowdish, B. S.
Published: (1903)
Botanical Exploration of Porto Rico and the Virgin Islands
by: Britton, Nathaniel Lord
Published: (1923)
by: Britton, Nathaniel Lord
Published: (1923)
H. Bryant, Vögel von Porto Rico
by: NA
Published: (1866)
by: NA
Published: (1866)
A new Astacopsis from North Queensland
by: Watson, Kathleen
Published: (1935)
by: Watson, Kathleen
Published: (1935)
Notes on the West Indian Orthoptera, with a list of the species known from the island of Porto Rico
by: Rehn, James A. G. (James Abram Garfield)
Published: (1903)
by: Rehn, James A. G. (James Abram Garfield)
Published: (1903)
A new Enicocephalus from Puerto Rico (Hemiptera, Enicocephalidoe)
by: NA
Published: (1948)
by: NA
Published: (1948)
Some Mosses from Boskung
by: Kirkconnell, Watson
Published: (1921)
by: Kirkconnell, Watson
Published: (1921)
[Beiträge zur Kenntniss der fossilen Flora Siebenbürgens und des Banates]
by: Andrae, C. J. (Carl Justus)
Published: (1855)
by: Andrae, C. J. (Carl Justus)
Published: (1855)
Note Sur Le Soulamea Amara
by: Hasskarl, J. K. (Justus Karl)
Published: (1863)
by: Hasskarl, J. K. (Justus Karl)
Published: (1863)
Watson, Sereno July 18, 1890 [postcard]
by: Watson, Sereno
Published: (1890)
by: Watson, Sereno
Published: (1890)
Watson, Sereno Feb. 13, 1891 [to Thiselton-Dyer] [draft]
by: Watson, Sereno
Published: (1891)
by: Watson, Sereno
Published: (1891)
Further Remarks on the Plumules or Battledore Scales of some of the Lepidoptera, with Illustrations by Mr. J. Sidebotham.
by: Watson, John
Published: (1868)
by: Watson, John
Published: (1868)
Watson, Sereno Jan 14, 1879
by: Watson, Sereno
Published: (1879)
by: Watson, Sereno
Published: (1879)
Watson, Sereno July 19, 1890 [to M. S. Cutler]
by: Watson, Sereno
Published: (1890)
by: Watson, Sereno
Published: (1890)
New moth flies (Diptera: Psychodidae) and a key to species from Puerto Rico
by: Wagner, Rüdiger, et al.
Published: (1996)
by: Wagner, Rüdiger, et al.
Published: (1996)
A List of Some Plants from W. C. Cusick, Union Oregon
by: Cusick, William C. (William Conklin), et al.
Published: (1880)
by: Cusick, William C. (William Conklin), et al.
Published: (1880)
Aedes aegypti reared from dry artificial habitats during drought in Puerto Rico in 1974.
by: NA
Published: (1975)
by: NA
Published: (1975)
The two British species of Carychium
by: Watson, Hugh, et al.
Published: (1953)
by: Watson, Hugh, et al.
Published: (1953)
Mastotermes Darwiniensis Froggatt, 1897 And Termes Meridionalis Froggatt, 1898 (Currently Amitermes Meridionalis) (Insecta, Isoptera): Proposed Retention Of Neotypes Following Rediscovery Of Syntypes
by: Watson, J. A. L.
Published: (1994)
by: Watson, J. A. L.
Published: (1994)
The Birds of Carnac Island Western Australia
by: Watson, J. A. L.
Published: (1959)
by: Watson, J. A. L.
Published: (1959)
A new Leptodactylus and a new Nototrema from Brazil
by: Andersson, Lars Gabriel
Published: (1911)
by: Andersson, Lars Gabriel
Published: (1911)
3. Sperm and spermiogenesis of the "Turbeliaria" and implications for the phylogeny of the Phylum Platyhelminthes
by: Watson, Nikki A, et al.
Published: (1995)
by: Watson, Nikki A, et al.
Published: (1995)
A new silene from Washington
by: Morton, C. V. (Conrad Vernon), et al.
Published: (1933)
by: Morton, C. V. (Conrad Vernon), et al.
Published: (1933)
A new Bostryx from Peru
by: NA
Published: (1956)
by: NA
Published: (1956)
A new Jay from the Balkans
by: NA
Published: (1939)
by: NA
Published: (1939)
Le Lapin de Porto Santo et le Lapin nègre de la Camargue [fig.]
by: Trouessart, E.-L. (Edouard-Louis)
Published: (1917)
by: Trouessart, E.-L. (Edouard-Louis)
Published: (1917)
A new henicopid chilopod from Peru
by: Chamberlin, Ralph V. (Ralph Vary)
Published: (1957)
by: Chamberlin, Ralph V. (Ralph Vary)
Published: (1957)
A new elapine snake from Queensland
by: Worrell, Eric
Published: (1955)
by: Worrell, Eric
Published: (1955)
A new species of Donacia from Washington
by: Hatch, Melville H
Published: (1938)
by: Hatch, Melville H
Published: (1938)
A new myrmeleonid from the United States
by: Currie, Rolla P.
Published: (1905)
by: Currie, Rolla P.
Published: (1905)
A new fossil pelican from Olduvai
by: Harrison, Colin James Oliver, et al.
Published: (1976)
by: Harrison, Colin James Oliver, et al.
Published: (1976)
A new species of Scutellinia from Mexico
by: Agustín, Laura Izquierdo-San, et al.
Published: (2013)
by: Agustín, Laura Izquierdo-San, et al.
Published: (2013)
A new Harvest Mouse from Wisconsin
by: Hanson, Harold C. (Harold Carsten)
Published: (1944)
by: Hanson, Harold C. (Harold Carsten)
Published: (1944)
A new beetle from New Jersey
by: Davis, C William
Published: (1904)
by: Davis, C William
Published: (1904)