730 CATALOGUE OF 



4. OMMEXECHA VIBENS. 



virens, Serv. Rev. Zool. 95; Hist. Orlh. 701, pi. 13, f. 2. Blanch. 

 A. S. E. F. v. 612, pi. 22, f. 1. 



Buenos Ayres. 



5. OMMEXECHA SERVILLEI. 



Servillei, Blanch. A. S. E. F. v. 613, pi. 22, f. 2, 3. Serv. Hist. Orth. 

 701. 



Buenos Ayres. 



Genus 39. BATRACHOPUS. 

 Batrachopus, Blanch. Gay, Chile, vi. 82. 



1. BATRACHOPUS TIBIALIS. 

 tibialis, Blanch. Gay, Chile, vi. pi. 3, f. 9. 

 Coquimbo. 



Genus PEGASIDION. 

 Pegasidion, Sauss. Rev. Zool. Sir. 2, xiii. 319. 



This genus and the following one were accidentally omitted in the 

 Synopsis, page 606. Pegasidion is distinguished by the prominent eyes, 

 by the broad lanceolate antennae, and by the cylindrical prosternal spine. 



1. PEGASIDION VOLITANS. 

 volitans, Sauss. Rev. Zool. Ser. 2, xiii. 320. 

 Mexico. 



Genus POLYSARCUS. 

 Polysarcus, Sauss. Rev. Zool. Ser. 2, xi. 392. 



The lamelliform, compressed and porrect tip of the vertex and the pro- 

 thorax inflated in the middle distinguish it from other genera. 



1. POLYSARCUS ATAVUS. 

 atavus, Sauss. Rev. Zool. Ser. 2, xi. 393. 

 Bahia. 



