EriMYS ^^)-^ 



form lin,vc been n,i'tiiifiiill\' tliou^h unintentionally transplanted 

 into tiie area of the other, and to this circumstance, rather than 

 to individual variation or normal intergradation, should be 

 atti'ibuted the intermediate specimens now so abundantly found. 



Epimys rattus rattus Linnanis. 



1758. [Mii.i] rattus Linnseus, Sj-st. Nat., i, 10th ed., p. Gl (Sweden). 



1833. Mils tectornni var. fuUginosus Bonaxsarte, Iconogr. Faun. Ital., I, 



fasc. 3, pi. 22, fig. 1, name on plate only (Italy, no exact locality). 

 1842. Mus ftubaervleus Lesson, Nouv. Tabl. du Begne Anim., Mamm., 



p. 138 (Roohefort, Charente-Inferieure, France). 

 1857. Mus rattus Blasius, Saugefchiere Deutschlands, p. 317. 

 18G7. Ttattus doniesticus Fitzinger, Sifczungsber. kais. Akad. Wissensch. 



Wien, jNIath.-Naturwiss. Classe, lvi, pt. i, p. 64 (Substitute for 



rattus) . 

 1SG7. [Raltiis domcsticus'] fiiscus Fitzinger, Sitzungsber. kais. Akad. 



NV'issensch. Wien, Math.-Naturwiss. Classe, lvi, pt. i, p. 64 ' 



(Germany). 

 1867. [Rattus doniesticus'] varius Fitzinger, Sitzungsber. kais. Akad. 



Wissensch. Wien, Math.-Naturwiss. Classe, lvi, pt. i, p. 64 



(Germany). 

 1867. [Rattus domcsticus~\ fulvaster Fitzinger, Sitzungsber. kais. Akad. 



Wissensch. Wien, Math.-Naturwiss. Classe, lvi, pt. i, p. 64 



(Austria and Germany). 

 18G7. [Rattus doniesticus] albus Fitzinger, Sitzungsber. kais. Akad. 



Wissensch. Wien, ]\Iath.-Naturwiss. Classe, lvi, pt. i, p. 65 



(Austria, Hungary, Germany). 

 1867. [Rattus doniesticus] ater Fitzinger, Sitzungsber. kais. Akad. 



Wissensch. Wien, lvi, pt. i, p. 65 (Germany). 

 1902. Mus alexandrino-rattus Fatio, Revue Suisse de Zoologie, x, p. 402, 



December 30, 1902 (Ticino, Switzerland). See Mottaz, Bull. Soe. 



Zool. de Geneve, i, p. 163, November 15, 1908. 

 1905. Mus rattus ater INIillais, Zoologist, 4th ser., ix, p. 205, June, 1905 



(London, England). Type in British Museum. 

 1908. Epimys rattus Satunin, Mitth. Kauk. Mus., Tiflis, iv, Lief. 1-2, 



p. 112. 

 1910. Mus {Epimys) rattus and M. {E.) rattus ater Trouessart, Faune 



Mamm. d'Europe, p. 143. 



Tjjpe localUy. — Upsala, Sweden. 



Geographical distribution. — Europe north of the Mediterranean 

 region ; occurring in isolated colonies and every ^Yhere being 

 11 'placed by Epinufs norvegicus. 



Diagnosis. — General colour slaty, the back darker, frequently 

 almost black. 



Measurements. — Adult male and female fi'om South Ronald- 

 shay, Orkney Islands: head and body, 189 and 188; tail, 20G 

 and 205; hind foot, 36-7 and 36; ear, 24-5 and 24. Adult 

 male from Lundy Island, Devonshire : head and body, 209 ; tail, 

 233; hind foot, 40; ear, 25-5. Adult male from London, 

 I'ngland (type of ater Millais) : head and body, 235 ; * tail, 235 ; * 



* From ^Millais. 



