118 U.S. NATIONAL MUSEUM BULLETIN 266 



1954b. A new milliped of the genus Colactis from Mexico (Chordeumida- 

 Lysiopetalidae). Amer. Mus. Nat. Hist., no. 1673, pp. 1-4, illustr. 



1955. Studies on Spirobolid millipeds. II. A second paper on the genus 

 Eurhinocricus. Proc. Biol. Soc. Washington, vol. 68, pp. 31-36. 



1959. A newdiplopod genus from Guatemala, closely related toDesmonus, 



and its effect on the validity of the families Desmonidae and 

 Cyclodesmidae (Polydesmida, Sphaeriodesmidae). Proc. Biol. 

 Soc. Washington, vol. 72, pp. 173-182, illustr. 



1960. A fourth contribution to the knowledge of neotropical platyrhacid 



millipeds (Diplopoda; polydesmida). Proc. U.S. Nat. Mus., vol. 



Ill, no. 3423, pp. 17-31, illustr. 

 1962. A new species of the milliped genus Polylepiscus from Mexico, 



with some remarks on the status of the genus (Polydesmida- 



Euryuridae). Proc. Ent. Soc. Washington, vol. 64, no. 2, pp. 135- 



140, illustr. 

 1964. A third smooth species of Polylepiscus (Polydesmida-Euryuridae). 



Proc. Biol. Soc. Washington, vol. 77, pp. 171-174. 



HOFFMAN, R. L., and CRABILL, R. E. 



1953. C. S. Rafinesque as the real father of American Myriapodology:an 

 analysis of his hitherto unrecognized species. Florida Ent., vol, 

 36, no. 2, pp. 73-82. 



HOFFMAN, R. L., and ORCUTT, B. S. 



1960. A synopsis of the Atopetholidae, a family of spirobolid millipeds. 

 Proc. U.S. Nat. Mus., vol. Ill, no. 3426, pp. 95-166, illustr. 



HUMBERT, A., and SAUSSURE, H. 



1869. Myriapoda nova Americana. Rev. Mag. Zool., ser. 2, vol. 21, pp. 149- 



159. 



1870. Myriapoda nova Americana: Description du divers Myriapodes nou- 



veaux du musee de Vienne. Rev. Mag. Zool., vol. 22, 

 no. 2, pp. 172-177. 



JAWLOWSKI, H. 



1930. On European Diplopoda introduced into America. Fragmenta Mus. 

 Zool. Polon, T. 1, no. 7, pp. 181-185, illustr. 



JEEKEL, C. A. W. 



1963a. Diplopoda of Guiana (1-5). Nat. Stud. Suriname en de Nederlandse 

 Antillen, vol. 4, no. 27, pp. 1-157, illustr. 



1963b. Alloproctinus nom. nov. (Diplopoda, Pollyxenida). Ent. Bericht., 

 vol. 23, p. 156. 



KARSCH, F. 



1881. Neue Juliden des Berlinen-Museums, als prodromus einer juliden 

 Monographic. Zeitschr. Naturw. (ser. 3, vol. 6), vol. 54, pp. 1-79. 



KEETON, W. T. 



1960a. A taxonomic study of the milliped family Spirobolidae (Diplopoda; 



Spirobolida). Mem. Amer. Ent. Soc, Philadelphia, no. 17, pp. 1-146. 



illustr. 

 1960b. A new family of millipeds of the order Spirobolida, with notes on 



an established family. Proc. Biol. Soc. Washington, vol. 73, pp. 



131-140, illustr. 



