60 PROC. ENT. SOC. WASH., VOL. 21, NO. 3, MAR., 1919 



References cited. 



1837 Boheman; Schoenherr Gen. Curcul., vol. 4, p. 402 and 1068. 

 1837 Gyllenhal; Schoenherr Gen. Curcul., vol. 4, p. 1076. 

 1845 Boheman; Schoenherr Gen. Curcul., vol. 8, Pt. 2, p. 443. 

 1856 Jac. DuVal; Ramon de la Sagra, Hist. fis. pol. and nat. Cuba., vol. 



7, p. 93. 



1872 Suffrian; Archiv f. Naturg., vol. 38, Pt. 1, p. 163. 

 1878 LeConte; Proc. Amer. Philos. Soc., vol. 17, p. 429. 

 1881 Ashmead; Can. Ent., vol. 13, p. 224. 

 1890 Schwarz; Proc. Ent. Soc. Wash., vol. 1, pp. 232-3. 

 1891? Gundlach; Ent. Cubana, vol. 3, p. 301. 

 1896 Blandford; Biol. Cent.-Amer. Coleop., vol. 4, Pt. 6, p. 135. 

 1902 Champion; Biol. Cent.-Amer. Coleop., vol. 4, Pt. 4, p. 19, pi. 2, fig. 8, 8a. 



1904 Champion; Biol. Cent.-Amer. Coleop., vol. 4, Pt. 4, p. 433, pt. 21, fig. 19. 



1905 Kirkaldy; Can Ent., vol. 37, p. 290. 



1907 Hopkins; Proc. Ent. Soc. Wash., vol. 8, pp. 112-114. 



1909 Champion; Biol. Cent.-Amer., Coleop. vol. 4, Pt. 7, pp. 40, 73, 75. 



1909 Swaine; N. Y. State Museum Bull., 134, p. 128. 



1909 VanDine; An. Rep. Hawaii Agr. Exp. Sta. for 1908, pp. 29-37. 



1912 Barber; Proc. Ent. Soc. Wash., vol. 14, pp. 181-183, pi. IX. 



1912 Schwarz; Proc. Ent. Soc. Wash., vol. 14, pp. 183. 



1913 Perkins; Fauna Hawaiiensis, vol. 1, Pt. VI, p. cxxiv. 



1914 Gandara and Inda; El Picudo del Aguacate. Mexico. 17 pp. "Im- 



prenta Secretaria de Industria y Comercio." 



1914 Crawford; U. S. Nat. Mus. Bull., 85, pp. 96-7. 



1915 Sasscer; U. S. Depart. Agr. Bull., 186, pp. 4-5. 



1916 Blatchley and Leng; Rhynch. N. E. A. pp. 474, 535, 586. 



1917 Pierce; Manual of Dangerous Insects, Office of Secty. U. S. Dept. Agr., 



p. 30, pi. 49. 



1918 Hoyt; Quarterly Bull. St. Plant Bd. Fla., vol. 2, pp. 108-112. 

 1918 Sasscer; Journ. Econ. Ent., vol. 11, p. 127. 



1918 Popenoe; 1917 Ann. Rep. Calif. Advocado Assn. p. 6. 



1919 Popenoe; U. S. Dept. Agr., Bull. 743, pp. 34-35, pi. XI. (In press.) 



EXPLANATION OF PLATE 2 



1. Heilipus lauri Boheman, cf. Mexico. X4 



2. Heilipus pittieri n. sp. cf Type. Costa Rica. X4 



3. Heilipus pittieri n. sp. 9 Allotype. Costa Rica. X4 



4 and 5. Conotrachelus perseae n. sp. cf Paratype. Guatemala. X4 



Actual Date of Publication, March 18, 1919. 



