32 



NORTH AMERICAN FAUNA. 



[No. 38. 



6.2 Total length usually less than 148 mm.; gi*eatest length of skull 32 mm. or less; 

 breadth of skull across mastoids usually less than 16.5 mm. 

 c.^ Total length less than 130 mm. ; length of tail less than 18 mm. ; greatest length 



of skull 29.3 mm. or less Scalopus aquaticus parvus (p. 41). 



C.2 Total length more than 130 mm.; length of tail more than 18 mm.; greatest 

 length of skull more than 29.3 mm. 

 d.'^ Color golden sepia; face, chin, and wrists bright zinc orange; geographic 



range Anastasia Island, Fla Scalopus aquaticus anastasse (p. 39). 



d.^ Color not golden sepia; face, chin, and wrists not bright zinc orange. 



Color paler; greatest length of skull usually more than 31 mm. ; geographic 

 range North and South Carolina, northern and western Georgia, west to 



mouth of Mississippi Biver Scalopus aquaticus howelli (p. 36). 



Color darker; greatest length of skull usually less than 31 mm. ; geographic 

 range southeastern Georgia and eastern Florida, 



Scalopm aquaticus australis (p. 38), 



a.2 Geographic range west of Mississippi Eiver. 

 b.^ Total length more than 160 mm.; breadth of skull across mastoids more than 

 18.4 mm. 



c.^ Breadth of skull across mastoids more than 19 mm. ; palatilar length more than 



15.8 mm. Scalopus aquaticus machrinus (p. 42). 



C.2 Breadth of skull across mastoids less than 19 mm.; palatilar length less than 



15,8 mm Scalopus aquaticus machrinoides (p. 45). 



6.2 Total length less than 160 mm,; breadth of skull across mastoids less than 18.4 

 mm. 



c} Greatest length of skull more than 32 mm, ; interorbital constriction more than 

 7.2 mm. 



d} Color coppery snuff brown Scalopus sereus (p. 52). 



rf,2 Color not coppery snuff brown. 

 e} Color dark; geographic range east of 95th meridian, 



Scalopus aquxiticus pulcher (p. 46). 

 Color pale; geographic range west of 95th meridian. 

 f} Nose and ankles tinged with ochraceous, 



Scalopus aquaticus intermedium (p. 49). 

 /.2 Nose and ankles not tinged with ochraceous, but usually with ivory 



yellow Scalopus aquaticus caryi (p. 48). 



C.2 Greatest length of skull less than 32 mm.; interorbital constriction less than 

 7.2 mm. 



d} Prelachrymal region much inflated; rostrum broad and truncate; geo- 

 graphic range Tamaulipas, Mexico Scalopus infiatus (p. 53). 



(?.2 Prelachrymal region not much inflated; rostrum not broad and truncate; 

 geographic range Texas Scalopus aquaticus texanus (p. 50). 



Descriptions of Species and Subspecies of Scalopus. 



SCALOPUS AQUATICUS AQUATICUS (Linnaeus). 

 Eastern Mole. 

 (PI. I, figs. 1, 2; PI. II, fig. 1; PI. Ill, figs. 1, la; PI. VI, fig. 3.) 

 Sorex aquaticus Linnaeus, Syst. Nat., ed. 10, p. 53, 1758. 



Talpa europsea flavescens Erxleben, Syst. Reg. Anim., p. 118, 1777. Based on ''yellow 



mole" of Pennant; type locality, New York(?). 

 Talpa Flava Zimmermann, Specimen Zool. Geog., p. 496, 1777. Based on ''yellow 



mole" of Pennant; type locality, New York(?). 



