UMary Allen
#10 Izinhlobo ezahlukene zezinja ezandulele zazihilelekile ekwakhiweni kweRat Terrier.
Ngenkathi ama-fox terriers anezinwele ezibushelelezi kanye ne-Manchester terriers aqala ukuwela ekuqaleni kwekhulu le-19, i-beagle ne-whippet kamuva kwengezwa, okuhlangene kwaholela ekuveleni kohlobo lwe-Rat Terrier.
#11 Yaqanjwa ngoTeddy Roosevelt, owayezithanda ngokukhethekile izinja.
Igama likhomba emgomeni wokuqala wokuzalanisa wezinja njengamapayipi ophayi emapulazini aseMelika. Lokhu kusetshenziswa kwabenza baba enye yezinja zasepulazini ezaziwa kakhulu e-United States ekuqaleni kwawo-1900.
#12 Ngenxa yokwanda kokusetshenziswa kwama-raticides amakhemikhali, nokho, izinja ezimbalwa nezincane ziye zasetshenziswa kulo mongo kusukela ngo-1940, ukuze abantu bazo nabo behle.
Uhlobo lwezinja alubonwa yi-FCI kodwa lumelwe yi-AKC.