236 LEPIDOPTERA HETEKOCERA. 



Sphinx Cassandra, Linn. Syst. Nat. ii. 806, 41. 



Zygcena Cassandra, Fabr. Sp. Ins. ii. 160, 16 ; Mant. Ins. ii. 103, 



20 ; Ent. Syst. iii. 1. 392, 22. 

 Sphinx adscita Cassandra, Cram. Pap. Exot. iv. 218, pi. 394, f. G. 

 Sphinx Zygaena Cassandra, Gmel. ed. Syst. Nat. i. 5, 2394, 41. 

 Calonotos Cassandra, Hubn. Verz. Schmett. 123, 1332. 

 Glaucopis Cassandra, Anon. Ins, Surinam, 193, pi. 85. 



a. Venezuela. From M. Becker's collection. 



b, c. Venezuela. From Mr. Dyson's collection. 

 d. Brazil. Presented by E. Doubleday, Esq. 

 e,f. Brazil. From Mr. Mornay's collection. 



57. Euchromia Helymus. 



Atra; caput et thorax aureo-viridi maculata; abdomen aureo- 

 viridi trivittatum; alee anticoe strigis basalibus maculaque 

 discali aureo-viridibus. 



Zygaena Helymus, Fabr. Sp. Ins. ii. 162, 28. Cram. Pap. Exot. 



i. 4, pi. 2, f. D, E. Stoll, Suppl. Cram. Pap. Exot. v. pi. 23, 



f. 2. 

 Sphinx Zygaena Helymus, Gmel. ed. Syst. Nat. i. 5, 2394, 122. 

 Sphinx adscita Alecton, Cram. Pap. Exot. iv. 184, pi. 382, f. D. 

 Antichloris Alecton, Hubn. Verz. Schmett. 124, 1350. 

 Calonotos Helymus, Hubn. Verz. Schmett. 123, 1329. 

 Glaucopis Helymus, Anon. Ins. Surinam, 125, pi. 59. 

 Glaucopis aterrima? Anon. Ins. Surinam, 217, pi. 97. 



Surinam. 



a. Demerara. Presented by J. S. Bowerbank, Esq. 



b. ? Presented by the Entomological Club. 



c. p From Mr. Children's collection. 



58. Euchromia tropica. 



Nigra ; antenna sat late pectinatce ; thorax cyaneo biguttatus ; 

 pectus cyaneum ; abdomen aureo-viridi bivittatum, subtus e 

 maculis albis bivittaturn ; ala anticce angustce basi cyaneo 

 notata subtus cyaneo bivittatce ; posticce cinerece marginibus 

 nigricantibus. 



Black, clothed with black hairs. Antennae rather deeply pecti- 

 nated. Thorax with two blue dots on the disk between the front of 

 the fore wings ; under side mostly blue. Fore wings narrow, with 

 a blue mark on each at the base, and with two blue stripes beneath ; 



