...In the bat, as in birds, the costal cartilages are ossified... 
Édouard Cuyer 「Artistic Anatomy of Animals」
...The shaft and superiorextremity of this bone are represented merely by a simpleligamentous cord, which is sometimes ossified...
Édouard Cuyer 「Artistic Anatomy of Animals」
...The ethmoid is fully ossified, but does not extendanteriorly between the nasals...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...In the other stock the nasals becamefully ossified and a bony squamosal-maxillary arch developed...
William E. Duellman 「Neotropical Hylid Frogs, Genus Smilisca」
...The nasal bones either stand far apart, as in Hamburghs, or almost touch each other, and in one instance were ossified together...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...Anterior to the otic capsulethe lateral wall of the braincase cannot be seen, and may nothave been ossified...
Theodore H. Eaton 「A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas」
...Except for the anterior part of the braincase, there is noindication that the skeleton was not well ossified...
Theodore H. Eaton 「A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas」
...The frontoparietals are equally poorly ossified, and the frontoparietalfontanelle is extensive...
William E. Duellman 「Middle American Frogs of the Hyla microcephala Group」
...Dorsally the sphenethmoid is large, pentagonal, and completely ossified...
Juan R. León 「The Systematics of the Frogs of the Hyla Rubra Group in Middle America」
...Between it and the otostapes is a small disc,usually ossified, the operculum, which normally fits loosely in aportion of the fenestral membrane, and is developed from the oticcapsule...
Theodore H. Eaton 「The Ancestry of Modern Amphibia: A Review of the Evidence」
...Centrolenidsare small, delicate, arboreal frogs having poorly ossified skulls and fused tarsalbones, but agree with Allophryne in having T-shaped terminal phalanges...
John D. Lynch 「Systematic Status of a South American Frog, Allophryne ruthveni Gaige」
...No ossified ribs have been observed, either isolated or in place...
Joan Echols 「A New Genus of Pennsylvania Fish (Crossoperygii, Coelacanthiformes) from Kansas」
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