1 / 1 ▁( Dec ember ▁ 1 9 1 4 ) ▁ ▁With ▁Gordon ▁F loyd ▁Ferr is ▁( 1 8 9 3 - 1 9 5 8 ), ▁The ▁An op l ura ▁and ▁Mal lo ph aga ▁of ▁North ▁American ▁m amm als ▁( St an ford ▁University , ▁ 1 9 1 5 ). ▁ ▁With ▁R enn ie ▁Wil bur ▁Do ane ▁( 1 8 7 1 - 1 9 4 2 ), ▁Element ary ▁text book ▁of ▁economic ▁zo ology ▁and ▁ent om ology ▁( H . ▁Hol t ▁and ▁Company , ▁New ▁York , ▁ 1 9 1 5 ). ▁Free ▁online ▁version . ▁ ▁With ▁Al on zo ▁Engel bert ▁Taylor ▁( 1 8 7 1 - 1 9 4 9 ), ▁The ▁food ▁problem ▁( Mac mill an ▁Company , ▁New ▁York , ▁ 1 9 1 7 ). ▁ ▁Head quarters ▁night s ; ▁a ▁record ▁of ▁convers ations ▁and ▁experiences ▁at ▁the ▁headquarters ▁of ▁the ▁German ▁army ▁in ▁France ▁and ▁Belg ium ▁( The ▁Atlantic ▁Month ly ▁Press , ▁ ▁Boston , ▁v . ▁ 1 9 1 7 ). ▁The ▁Food ▁Problem ▁with ▁Al on zo ▁Engel bert ▁Taylor ▁( 1 8 7 1 - 1 9 4 9 ), ▁( The ▁Mac mill an ▁company , ▁New ▁York , ▁ 1 9 1 7 ). ▁ ▁Fight ing ▁star v ation ▁in ▁Belg ium ▁( Page ▁& ▁company , ▁New ▁York , ▁Double day , ▁ 1 9 1 8