LOCUSTID^. 369 



apical patch green ; veins pale green. Length of the body 13 — 15 lines; 

 expansion of the fore wings 45 — 48 lines. 



a. Australia. From Mr. Darnel's colleclion. 



b. Australia. From Mr. Stutchbury's colleclion. 



c. Australia, 



Genus 102. CORYCUS. 

 Corycus, Sauss. A. S. E. F, 4me Ser. i. 487. 



1. Corycus Jurinei. 

 Jurinei, Sauss. A. S. E, F. 4me Ser. i. 489, pi. 11 , f. 4—7. 



Genus 103. MICROCENTRUM. 

 Microcentrum, Scud. Journ. Bost. Soc. Nat. Hist. vii. 446. 



North America. 



1. Microcentrum retinervis. 



Phylloptera relinervis, Burm. Handb. Ent.W. 692 — Phylloptera curvicauda, 

 Harr. Rep. 3rd Ed. 161— Microcentrum retinervis, Scud. Journ. Bost. 

 Soc. Nat. Bist. vii. 446. 



a—c. United States. Presented by E. Doubleday, Esq. 



2. Microcentrum affiliatum. 

 affiliatura, Scud. Journ. Bost. Soc. Nat. Hist. vii. 447. 

 United States. 



3. Microcentrum thoracicum. 



Locusta, &c., Sloane, Nat. Hist. Jam. ii. 206, pi. 236, f. 1, 2— Microcen- 

 trum thoracicum, Scud. Journ Bost. Soc. Nat. Hist. vii. 447. 



Florida. 



Steirodon thoracicum ? Serv. Rev. 44 ; Hist. Orth. 402 — Phylloptera thora- 

 cica ? Burm. Handb. Ent. ii. 692. 



South America. 



The S. thoracicum of Serville may be distinct from the M, thoracicum 

 of Scudder. 



a. Jamaica. From Mr. Gosse's collection. 



b, c. ? 



Mexico. 

 4. Microcentrum Aztecum. 

 Phylloptera Azteca, Sauss. Rev. Zool. 1859, 203. 

 Mexico. 



