
Made by the US Census and altered by myself to highlight the township ...
Found on
http://en.wikipedia.org/wiki/Isologous

• (a.) Having similar proportions, similar relations, or similar differences of composition; -- said specifically of groups or series which differ by a constant difference; as, ethane, ethylene, and acetylene, or their analogous compounds, form an isologous series.
Found on
http://thinkexist.com/dictionary/meaning/isologous/

(i-sol´ә-gәs) syngeneic.
Found on
http://www.encyclo.co.uk/local/21001
I·sol'o·gous adjective [
Iso- + Greek
lo`gos proportion.]
(Chemistry) Having similar proportions, similar relations, or similar differences of composition; -- said specifically of groups or series which differ by a constant difference; as, ethane, ethylene, and acetylene, or th...
Found on
http://www.encyclo.co.uk/webster/I/102

Type: Term Pronunciation: lī-sol′ō-gŭs Synonyms: syngeneic
Found on
http://www.medilexicon.com/medicaldictionary.php?t=45906

(of two or more organic compounds) chemically related but differing in composition other than by nCH.
Found on
https://www.infoplease.com/dictionary/isologous
No exact match found.