LEPIDOPTEKA HETEROCERA. 151 



1. CUBENA POLYDAMIA. 



Roseo-ferruginea ; abdomen fuscum ; alcB anticcB maculis, tinea 

 transversa interiore fasciisrjue duahus posticis ahhreviatis exte- 

 rioribus aurato-Jlavis ; posticce fuscce. 



Phalsna-Noctua Polydamia, Cram. Pap. Exot. iv. 242, pi. 400, f. D. 

 Autographa Pulvdamia, Hubn. Vcrz. Schmett. 251, 2490. 



Surinaiii. 



Genus 12. BETUSA. 



3Tas. Corpus sat gracile. Proboscis breviuscula. Palpi porrecti, 

 caput sat superantes ; articulus 3us lanceolatus, 2o plus quad.aplo 

 brevior. Anieuna) raediocriter pectinatoe, corporis dimidio multo 

 longiores. Thorax pilis longis vestitus. Abdomen basi fascicula- 

 tum, alas posticas nou superans. Pedes graciles; ttbis posticEe 

 calcaribus quatuor longissimis. Alee latiusculce, denticulatce ; an- 

 ticcB apiid costain subrectce, apice rolundatse, raargine exteriore 

 raediocriter obliquo ; postics subtus fasciculo longo antico. 



3Iale. Body rather slender. Proboscis rather short. Palpi 

 porrect, extending somewhat beyond the head ; third joint lanceo- 

 late, not one-fourth of the length of the second. Antennas mode- 

 rately pectinated, much more than half the length of the body. 

 Thorax with long hairs. Abdomen extending as far as the hind 

 wings, with a double tuft at the base. Legs slender : hind libife 

 with four very long spurs. Wings rather broad, denticulated. 

 Fore wings nearly straight in front, rounded at the tips, moderately 

 oblique along the exterior border ; first, second and third inferior 

 veins approximate at the base ; fourth moderately remote. Hind 

 wings with a tuft of long hairs in front beneath. 



This genus apparently connects the tirst division of the Noc- 

 tidies with the second, and also v/iih the Pijraiites. 



1. Betusa Phasianus. 



Mas. Testacea ; caput et thorax anticus cervina ; abdominis fas- 

 ciculus pallide rufus ; alee anticce saturate virides, strigis 

 nigris cyaneo ornatis apud margineni exteriorem subviolacenni, 

 costa margineque interiore ex parte lute is ; posticce fuscce^ basi 

 pallidiores, apice iestaccce, nuiculis duabus nigris subapiculibiis 

 cyaneo ornatis. 

 Male. Testaceous. Head and fore part of the thorax fawn- 

 cobur. Tuft of the abdomen pale red. Fore wings deep green, 



