SCAPANUS. PARA8CALOPS. 303 



479. alpinus. {Scapanus), Merr. Proc. Biol. Soc. Wash., 1897, xl, 

 p. 102. 



Type locality. Crater Lake, Oregon. 



Genl. Char. Similar to 5. californicus, but larger, with longer 

 and heavier skull. 



Color. Everywhere uniform grayish plumbeous, much as in 

 5. californicus, but without the brownish tinge; widely different from 

 the blackish 5. toivnscndi. 



Mcaftircnu-nts. Total length, 18S; tail vertebras, 3S;hind foot, 24.5. 

 Skull: greatest length, 37; basal length, 32; palatal length, 16.75; 

 greatest zygomatic breadth, 13.5: mastoid breadth, 17. (Merriam I.e.) 



580. truei. {Scapaniis), Merr. Proc. Biol. Soc. Wash., 1897, xi, 



p. 102. 



Type locality. Lake City, Modoc County, California. 



Genl. Char. Similar to S. californicus, but paler and more 

 plumbeous in color, and with a distinct inner cusp on last upper pre- 

 molar. 



Color. Everywhere almost clear plumbeous, with a faint darker 

 wash on upper parts. 



Measurements. Total length, 170; tail vertebra, 34; hind foot, 21. 

 Skull: greatest length, 34.5; basal length, 29; palatal length, 15; 

 zygomatic breadth, 13; mastoid breadth, 16.25. (Merriam, 1. c.) 



581. anthonyi. (Scapanus), J. A. Allen, Bull. Am. Mus. Nat. Hist., 



1S93, V, p. 200. 



7'ypc locality. San Pedro Martir Mountains, California. 



Geogr. Distr. Only known from type locality. 



Genl. Char. Smaller than 5. californicus, color darker. 



Color. Almost uniform, blackish. 



^^easurcnn•nts. Length, 135; tail, 26. Skull: extreme length, 

 30; basilar length, 28.5; least interorbital breadth, 7.6; greatest mas- 

 toid breadth, 15.3; lower jaw, incisor border to condyle, 22.4. 



100. Parasealops. 



3-3 ^^ 



I. 3=.]; c. i^; P 



Parasealops. True, U. S. Nat. Mus. Wash., 1894, p. 242. Type 

 ■'^calops brc7vcri, Bach. 

 Nostrils lateral; fore feet broad; skull depressed; bulla- annular; 

 auricular orifice large: molars with broad internal trilobed basal lobe; 

 head conical. Sacrum and ischium not connected bj' osseous 

 bridges. 



