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Russia then and now, 1892-1917; my mission to Russia during the famine of 1891-1892, with data bearing upon Russia of to-day
Outlines of comparative physiology touching the structure and development of the races of animals, living and extinct : for the use of schools and co…
A treatise on comparative embryology
Elementary studies in insect life
The anatomy of the mouth-parts and of the sucking apparatus of some Diptera
A catalog of recent Mollusca from all parts of the world
Mosquitoes, gnats, craneflies, midges and flies of the northern states
Zoology for high schools and colleges
The anthocyanin pigments of plants
Les insectes, morphologie - reproduction - embryogenie