. . . . . . . "A Classification of the larvae and puparia of the Syrphidae of Illinois exclusive of aquatic forms" . . "A Classification of the Larvae and Puparia of the Syrphidae of Illinois exclusive of aquatic forms, etc"@en . . . "A Classification of the Larvae and Puparia of the Syrphidae of Illinois Exclusive of Aquatic Forms" . "A classification of the larvae and puparia of the Syrphidae of Illinois exclusive of aquatic forms" . "A classification of the larvae and puparia of the Syrphidae of Illinois"@en . . . "A classification of the larvae and puparia of the Syrphidae of Illinois, exclusive of aquatic forms"@en . "A classification of the larvae and puparia of the Syrphidae of Illinois, exclusive of aquatic forms" . . . . . . . . . . . . . .