Importance of the study of natural history as a branch of elementary education

LakeSuperior:its physicalcharacter...

Bibliograp...zoologiæ etgeologiæ.[microfor...

Bibliograp...zoologiæ etgeologiæ. Ageneral...

Bibliograp...zoologiae etgeologiae. Ageneral...

Methods ofstudy innaturalhistory

Principlesof zoèology: touchingthe...

Principlesof zoölogy :touching thestructure...

Tribunepopularscience

1874

Principlesof zoölogy :touching thestructure...

Geologicalsketches

1866

The naturalhistory oftheAcalephae...

LakeSuperior[microform]: its...

Contributi...to thenaturalhistory o...

A journey inBrazil

1867

An essay onclassifica...

1859

Thestructure ofanimal life: Six...

Thestructure ofanimal life.Six lectu...

LouisAgassiz :his life andcorrespond...

Outlines ofcomparativephysiology :touching ...

Outlines ofcomparativephysiology :touching ...

Outlines ofcomparativephysiologytouching ...

Principlesof zoology :touching thestructure...

Principlesof zoology :touching thestructure...

Principlesof zoölogy:touching thestructure...

Principlesof zoölogy :touching thestructure...

Principlesof zoölogy:: touchingthe...

Contributi...to thenaturalhistory o...

LakeSuperior

1850

Anintroductionto the studyof natura...

On theprinciplesofclassific...

Importanceof the studyof naturalhistory a...

Notice of acollectionof fishesfrom the...

Twelvelectures oncomparativeembryolog...

Contemplat...of God inthe kosmos

Methods ofstudy innaturalhistory.

Directionsforcollectingfishes an...

Thediversity oforigin ofthe human...

Principlesof zoölogy: touchingthe...

Oppositionto Darwin

Introductiona unemonographiedes poiss...

Drawingsillustratingthe LowellLectures ...

Twelvelectures oncomparativeembryolog...

Theclassifica...of insectsfrom...

Naturalhistoryillustrati...

A letterconcerningdeep-seadredgings...

Geologicalsketches,2nd series

Report onthe Floridareefs