Results 21 to 30 of about 270 (101)

Karyotypes and systematics of the lizards in the variabilis, jalapae, and scalaris species groups of the genus Sceloporus. American Museum novitates ; no. 2653 [PDF]

open access: yes, 1978
13 p. : ill. ; 26 cm.Includes bibliographical references (p. 12-13)."Karyotypes of 11 species of Sceloporus are described and illustrated. Lizards included are all species of the variabilis group as recognized by Smith (1939), all species of the jalapae ...
Cole, Charles J.
core  

"Healing medicine" by Louis Le Roy (1766-1842). [PDF]

open access: yes, 2020
Przełom XVIII i XIX w. był niezwykle ważny dla medycyny. Gwałtowny rozwój naukowych metod badawczych, zwłaszcza w dziedzinie anatomii i patomorfologii, sprawił, że wyniki badań prowadzonych w tych dyscyplinach w większości dyskwalifikowały dotychczasowo ...
Urbanik, Monika
core   +1 more source

LIST OF ADDITIONAL SPECIES OF MEXICAN BIRDS, OBTAINED, BY M. AUGUSTE SALLk FROM THE ENVIRONS OF JALAPA AND S. ANDRES TUXTLA.

open access: yesProceedings of the Zoological Society of London
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Efficient vs. structured biodiversity inventories: reptiles in a Mexican dry scrubland as a case study [PDF]

open access: yes, 2018
Many sampling methods allow the study of species richness and diversity in biological communities, but it is not known whether a single method can determine both the number and diversity of species in an unbiased and efficient way. Here we assess whether
González–Oreja, J. A.   +1 more
core  

Reproductive output in spiny lizards (genus Sceloporus) with different reproductive mode. A comparative approach [PDF]

open access: yes, 2020
The analysis of the reproductive output variation within a lineage is fundamental to understand life-history evolution. When different reproductive modes occur within the same lineage, the comparison of the reproductive output of each mode becomes ...
Lorena Y. Cuateta-Bonilla   +2 more
core   +2 more sources

Speciation in the genus sceloporus Sceloporus (Sauria, Iguanidae) as determined by cranial osteology and other characters [PDF]

open access: yes, 1973
Numerical statistical methods were used to analyse the species in the genus Sceloporus using cranial osteology, external meristic and numeric characters, karyology, display behavior and geographic distribution.
Larsen, Kenneth Rex
core   +1 more source

The herpetofauna of Veracruz, Mexico: composition, distribution, and conservation status [PDF]

open access: yes, 2021
The herpetofauna of the state of Veracruz, Mexico, currently consists of 359 species, including 76 anurans, 45 caudates, one caecilian, one crocodylian, 217 squamates, and 19 turtles.
Torres-Hernández, Lizzeth A   +10 more
core   +1 more source

Variación estacional de las comunidades de anfibios y reptiles en una selva tropical caducifolia del centro de México [PDF]

open access: yes
The seasonality of tropical deciduous forests generates changes in vegetation structure, microclimatic conditions, and resource availability, which can affect amphibians and reptiles.
Díaz García, Juan Manuel   +3 more
core   +2 more sources

A phylogenetic assessment of breeding systems and floral morphology of North American Ipomoea (Convolvulaceae) [PDF]

open access: yes, 2011
A phylogenetic investigation of 68 species and two varieties of tropical and temperate North American Ipomoea (Convolvulaceae) using sequence data from the internal transcribed spacer region (ITS) with parsimony and Bayesian analyses revealed multiple
Hansen, Debra R.   +3 more
core   +1 more source

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