Phylogenetic analyses indicate that viviparity (live‐bearing reproduction) has originated
independently in more than 150 vertebrate lineages, including a minimum of 115 clades of …

Matrotrophy, the continuous extra‐vitelline supply of nutrients from the parent to the progeny
during gestation, is one of the masterpieces of nature, contributing to offspring fitness and …

The evidentiary basis of the currently accepted classification of living amphibians is
discussed and shown not to warrant the degree of authority conferred on it by use and …

Salisbury Cathedral (or New Sarum as some call it) has the tallest church spire in England. It
is a truly magnificentedifice, whateveryour religious convictions or feelings. The views of it …

A scholarly life‐history model, applicable to various ontogenies, requires precise definitions
of the major periods and their boundaries. The theory of saltatory ontogeny enables one to …

In both fishes and amphibians, paternal care correlates with external fertilization and
maternal care with internal fertilization. Three different hypotheses have been proposed to …

Abstract In the Puerto Rican frog Eleutherodactylus coqui, parental care is performed
exclusively by males, and consists of attending the eggs and hatchlings at a terrestrial …

Direct development is the assumption of the adult morphology without progression through
an intervening, morphologically distinct, free‐living larval phase. We discuss the ecological …

The structure and function of the oviducts of members of the three Orders of the Class
Amphibia (Anura, frogs and toads; Urodela, salamanders and newts; Gymnophiona …

Vertebrate reproductive modes, which are characterized by egg and development type,
have been compared and, in some cases, re-defined. Reproductive strategies regulate …