zoogenicadj.

1842 Med. Times & Gaz. 17 Dec. 182/3 Whether these zoogenic elements can become combined and associated with one another so as to produce a variation in animality.

1848 Amer. Jrnl. Sci. & Arts 2nd Ser. 5 429 The animals,..whose embryogenic career is of different lengths, constitute a number of separate series,..according as their differences in zoogenic progress begin more early and are wider in character.

1891 C. Letourneau Evol. Marriage & Family ii. 22 We must look..to the zoögenic past of the species.

1894 F. H. Giddings Theory Sociol. iii. 40 Most of the forms of concourse, intercourse and mutual aid have their beginnings in animal society. By means of them animal life is developed into its various types. This stage, therefore, may be characterized as zoogenic, and the study of it, as exhibited in animal communities, is zoogenic sociology.

1935 Salt Lake Tribune 19 May 7/6 Environment and need dictated a transformation that..created a new species—the next elaboration of zoogenic development.

1866 P. H. Lawrence tr. B. von Cotta Rocks Classified 360 Zoogenic deposits [Ger. Zoogene Ablagerungen] are products of animal agency.

1895 E. H. Williams Man. Lithography (ed. 2) 298 Most limestones are of organic and zoögenic origin, though some are phytogenic.

1908 Trans. Inst. Mining Engin. 35 550 That petroleum is not exclusively zoogenic may now be considered as conclusively proved.

1930 Science 21 Mar. 306/1 Poisons elaborated or produced by animals, or zoogenic poisons, are commonly much more toxic for living plant protoplasm than for living animal tissues.

1999 Diversity & Distributions 5 62/1 The mounds are zoogenic, initially created by termites and often colonized by a wide variety of burrowing animals.

2010 B. Chavane & C. Feller in E. R. Landa & C. Feller Soil & Culture xx. 332 The zoogenic limestone..was used by the former population for making iron.