8 U.S. NATIONAL MUSEUM BULLETIN 266 



Glomeridesmus centralis Chamberlin 1922, p. 6L 



TYPE: U.S. Nat. Mus., no. 862. 



TYPE LOCALITY: ActeU, Guatemala. 

 Glomeridesmus circularis Loomis 1964a, p. 12. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE LOCALITY: Finca Lerida, near Boquete, Chiriqui, Panama. 



PARATYPE LOCALITY: Almirante, Bocas del Toro, Panama. 

 Glomeridesmus latus Loomis 1961, p. 78. 



TYPE: U.S. Nat. Mus., no. 2655. 



TYPE LOCALITY: Cerro Campana, Panama. 

 Glomeridesmus parvior Chamberlin 1940a, p. 4. 



TYPE: Collection of R. V. Chamberlin. 



TYPE AND PARATYPE LOCALITY: Barro Colorado Island, Canal 

 Zone, Panama. 



OTHER LOCALITY: Pina area. Canal Zone, Panama, Loomis 1961. 

 Glomeridesmus rolundatus Loomis 1964a, p. 13. 



TYPE: Chicago Nat. Hist. Mus. 



TYPE AND PARATYPE LOCALITY: Almirante, Bocas del Toro, 

 Panama. 



Superorder HELMINTHOMORPHA 

 KEY TO ORDERS OF HELMINTHOMORPHA 



1. Body composed of 18 to 22 segments; sternites, pleurites, and ter- 



gites completely fused without trace of sutures; tergites usually 

 produced laterally into keels; eyes always absent; second legs of 



7th segment of male not modified as gonopods POLYDESMIDA 



Body composed of 30 or more (rarely 20, 26, or 28) segments; the 

 body rings less complete, the sternites being either free or set off 

 by distinct sutures; eyes usually present, sometimes lost in cave 

 forms 2 



2. Terminal segment of body with 1 to 3 pairs of spinnerets; either one 



or both pairs of legs of 7th segment of males modified into gono- 

 pods; sternites free from the pleurotergites, the latter usually with 



long setae CHORDEUMIDA 



Terminal segment of body without spinnerets; either both pairs of 

 legs of 7th segment modified as gonopods, or one pair missing; 

 sternites usually fused with pleurotergites 3 



3. Stipites of gnathochilarium broadly in contact behind the laminae 



linguales JULIDA 



Stipites of gnathochilarium separated for their entire length by the 

 mentum and laminae linguales 4 



4. Third segment closed ventrally, the 5th segment with a single pair 



of legs SPIROBOLIDA 



