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9 March 2021 THE STRUCTURE OF SPOTTED FROG (RANA LUTEIVENTRIS AND RANA PRETIOSA) EGGS: A PHYSICAL DESCRIPTION AND HISTORICAL PERSPECTIVE
Chris Rombough, Jay Bowerman
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Abstract

Published accounts describe the eggs of spotted frogs (Rana luteiventris and Rana pretiosa) as having either 1 or 2 jelly envelopes surrounding the ovum. Eggs of R. luteiventris are typically reported to have a single jelly envelope, whereas those of R. pretiosa are reported to have 2 envelopes. We found, however, that both species' eggs actually have 3 jelly envelopes. In this paper we describe the eggs of both species, and identify the origin of the discrepancy in the scientific literature.

Chris Rombough and Jay Bowerman "THE STRUCTURE OF SPOTTED FROG (RANA LUTEIVENTRIS AND RANA PRETIOSA) EGGS: A PHYSICAL DESCRIPTION AND HISTORICAL PERSPECTIVE," Northwestern Naturalist 102(1), 1-8, (9 March 2021). https://doi.org/10.1898/1051-1733-102.1.1
Received: 26 March 2020; Accepted: 7 July 2020; Published: 9 March 2021
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