226 PROCEEDINGS OF THE NATIONAL MUSEUM vol.99 



two margins. Posterior tibiae short, black, yellow at extreme base, 

 rugose, internal side with light-brown hairs, the external side with 

 about four strong, erect setae. Hind tarsi light brown, with dark and 

 rigid setae on upper side, and abundant white hairs on under. 



Length 1.82 mm. ; width 1.48 mm. 



Tijpe.—V.S.'NM. No. 58197. 



One specimen, Cordoba, Mexico, collected by Frederick Knab, April 

 8, 1908. 



Close to T. pectinisquamis Champion but without scutellar patch. 

 T. rugosus is characterized by the short femora and by the patch of 

 erect scales on base of pronotum. 



TACHYGONUS MINUTUS Blatchley 



Three specimens, Tampico, Mexico, collected by E. A. Schwarz. 

 Length 1.30 mm. ; width 0.86 mm. 



TACHYGONUS PECTINISQUAMIS Champion 



One specimen, Temescaltepec, Mexico, May 20 to June 4, H. E. Hin- 

 ton and R. L. Usinger, collectors, collection E. C. Zimmerman, 1941, 

 which does not agree exactly with the description of pectinisquamis^ 

 but whether the apparent differences are significant or not could only 

 be determined by a comparison with the type. 



Length 1.65 mm.; width 1.13 mm. 



BIBLIOGRAPHY 

 Blatchley, W. S. 



1920. Notes on some Coleoptera taken in the vicinity of Dunedin, Florida, in 

 the spring of 1920, with descriptions of new species. Can. Ent., vol. 

 52, pp. 263-264. 

 1922. Notes on the Rhynchophora of eastern North America, with character- 

 izations of new genera and descriptions of new species. Journ. 

 New York Ent. Soc, vol. 30, No. 2, pp. 98-99. 

 Blatchley, W. S., and Leng, C. W. 



1916. Rhyncliophora or weevils of northeastern America, pp. 93-95. 

 Casey, Thomas L. 



1897. Coleopterological notices, VII. Ann. New York Acad. Sci., vol. 9, 

 pp. 679-681. 

 Champion, G. C. 



1906. Biologia Centrali-Americana, Coleoptera, vol. 4, pt. 5, pp. 131-138. 

 1910. lUd., pt. 7, p. 210. 

 Chevkolat, L. a. a. 



1829-1844. In Guerin, Iconographie du R&gne animal, vol. 3, p. 155, pi. 38, 

 fig. 9. 

 Faust, J. 



1896. Reise von E. Simon in Venezuela. Stett. Ent. Zeit., vol. 57, pp. 99-100. 

 Gyllenhal, L. 



1833. In Schoenherr, Genera et species Curculionidum . . ., vol. 1, pt. 1, pp. 

 312-313. 



