338 BULLETIN" 19, UNITED STATES NATIONAL MUSEUM. 



t*Sciurus richmondi Nelson. 



1898. Sciurus richmondi Nelson, Proc. Biol. Soc. Washington, 



vol. 12, p. 146. June 3, 1898. 

 Type Locality. — Escondido River, 50 miles above Bluefields, 



Nicaragua. 

 Range. — Dense humid tropical forests of the lowlands along 



the Escondido River. 



*Sciurus variabilis morulus Bangs. 



1885. Sciurus variabilis True, Proc. U. S. Nat. Mus., vol. 7 



(1884), p. 596. 1885. 

 1900. Sciurus variabilis morulus Bangs, Proc. New England 



Zool. Club, vol. 2, p. 43. September 20, 1900. 

 Type Locality. — Loma del Leon, Panama. 



Genus MICROSCIURUS Allen. 



1895. Microsciurus Allen, Bull. Amer. Mus. Nat. Hist., vol. 7, 

 p. 332. November 8, 1895. Type, Sciurus alfari Allen. 



Microsciurus alfari alfari (Allen). 



1895. Sciurus {Microsciurus) alfari Allen, Bull. Amer. Mus. 



Nat. Hist., vol. 7, p. 333. November 8, 1895. 

 Type Locality. — Jimenez, Costa Rica. 



t*Microsciurus alfari venustulus Goldman. 



1912. Microsciurus alfari venustulus Goldman, Smiths. Misc. 



Coll., vol. 56, No. 36, p. 4. February 19, 1912. 

 Type Locality. — Gatun, Canal Zone, Panama. 



*Microsciurus boquetensis (Nelson). 



1903. Sciurus {Microsciurus) boquetensis Nelson, Proc. Biol. 



Soc. Washington, vol. 16, p. 121. September 30, 1903. 

 Type Locality. — Boquete, Chiriqui, Panama. 



*Microsciurus browni (Bangs). 



1902. Sciurus {Microsciurus) browni Bangs, Bull. Mus. Comp. 



Zool., vol. 39, p. 24. April, 1902. 

 Type Locality. — Bogava, Chiriqui, Panama. 



Genus SYNTHEOSCIURUS Bangs. 



1902. Syntheosciurus Bangs, Bull. Mus. Comp. Zool., vol. 39, 

 p. 25. April, 1902. Type, Syntheosciurus brochus Bangs. 



Syntheosciurus brochus Bangs. 



1902. Syntheosciurus brochus Bangs, Bull. Mus. Comp. Zool., 



vol. 39, p. 25. April, 1902. 

 Type Locality. — Boquete, Chiriqui, Panama. Altitude, 7,000 

 feet. 



