56 Linnean genera may be, without fear of error, determined. 
of a Type to Linnean Genera. 
They are as follows :— 

Genus. Type. Genus. Type. 
Strix (of which more presently). Cancroma: C. cochlearia. 
Lanius: L, excubitor. Ardea: A. cinerea. 
Buphaga : B. africana. Tantalus : T. loculator. 
Crotophaga: C. ani. Recurvirostra: R. avocetta. 
Corvus : C. corax. Hematopus: _ H. ostralegus. 
Oriolus : O. galbula. | Fulica: F’. atra. 
Paradisea : P. apoda. | Parra: P. jacana. 
Bucco: B. capensis. Rallus: R. aquaticus. 
Cuculus : C, canorus. Psophia: P, crepitans. 
Jynux: J. torquilla. Otis: O. tarda. 
Picus: P. martius. Struthio: S. camelus. 
Sitta: S. europea. Didus: D. ineptus. 
Alcedo : A. ispida. | Pavo: P. cristatus. 
Merops : M. apiaster. Meleagris : M. gallopavo. 
Upupa: U. epops. | Crax: C. alector. 
Certhia : C. familiaris. | Phasianus: P. colchicus. 
Trochilus : T. colubris. | Numida: N. meleagris. 
Alea: A. torda. | Alauda: A. arvensis. 
Procellaria : P. pelagica. | Sturnus: S. vulgaris. 
Diomedea : D. exulans. | Turdus: T. viscivorus. 
Pelecanus: P. onocrotalus. |. Ampelis: A. garrulus. 
Plotus: P. anhinga. | Loxia: L. curvirostra. 
Phaeton: P. ethereus. | Tanagra: T. tatao. 
Rhynchops: R. nigyra. _ Fringilla: FE’. celebs. 
Sterna : S. hirundo. | Muscicapa: M. grisola. 
Phcenicopterus: P. ruber. | Pipra: P. leucocilla. 
Platalea : P. leucorodia. | Hirundo: H. rustica. 
Mycteria : M. americana. Caprimulgus: C. europzeus. 
The result does not seem to me so very subversive of cur- 
rently accepted nomenclature. Out of the 56 genera in the 
foregoing list, (excepting Striv, which I must treat in detail,) 
only about three or four would appear to have, from my way 
of regarding them, a type other than that commonly assigned 
to them. Indeed I can fancy some of my readers exclaim- 
ing, Why should all this fuss be made about a matter on which 
ornithologists are generally agreed? My answer to this 1s, 
that ornithologists have almost always acted upon the prin- 
ciple I enjoin, and this is a strong point in its favour. The 
few cases in which the principle has been departed from 
H2 


