54 U.S. NATIONAL MUSEUM BULLETIN 266 



Genus CYLINDROGONUS Loomis 1964a, p. 83. 



TYPE SPECIES: Cylindrogonus copiosus Loomis, by original desig- 

 nation. 

 Cylindrogonus copiosus Loomis 1964a, p. 84. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: Casita Alta,Finca Lerida, near Boquete, Chiriqui 

 Prov., Panama. 



PARATYPE LOCALITIES: Same and general region. 



Genus ENANTIOGONUS Loomis 1961, p. 103. 



TYPE SPECIES: Enantiogonus fragilis Loomis, by original desig- 

 nation. 

 Enantiogonus fragilis Loomis 1961, p. 104. 



TYPE: U.S. Nat. Mus., no. 2644. 



TYPE LOCALITY: Pina area. Canal Zone. 



Genus EUTYNELLUS Chamberlin 1940a, p. 9. 



TYPE SPECIES: Eutynellus flavior Chamberlin, by original desig- 

 nation. 

 Eutynellus flavior Chamberlin, 1940a, p. 10. 



TYPE: Collection of R. V. Chamberlin. 



TYPE AND PARATYPE LOCALITY: Barro Colorado Island, Canal 

 Zone. 



Genus HARPOGONOPUS Loomis I960, p. 58. 



TYPE SPECIES: Harpogonopus confluentus Loomis, by original 

 designation. 

 Harpogonopus confluentus Loomis 1960, p. 59. 



TYPE: U.S. Nat. Mus., no. 2802. 



TYPE LOCALITY: Cottonwood Creek, 45 mi. east of San Diego, 

 California. 



PARATYPE LOCALITIES: Same, and 14-20 mi. north of Ensenada, 

 Baja California, Mexico. 



Genus IRAZUNUS Attems 1933, p. 260. 



TYPE SPECIES: Irazunus reimoseri Attems, by original designation. 

 Irazunus chiriquensis Loomis 1964a, p. 87. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: West of Finca Palo Santo, near Nueva California, 

 Chiriqui Prov. , Panama. 



PARATYPE LOCALITIES: Same and general region. 



