25 A Systematic List of Lepidoptera, 



Genus 2, Telea, Hubner. 

 1. T. Polyphemus, Fah. — Abundant, June and July. 



Distribution.^Bv&z\\ (B.M.O.) ; Massachusetts, (Harris); New 



York, (Emmons) ; Eastern Township 

 (Gosse) ; Rouge District. 

 Genus 3, Tropoea, Hubner. 

 1. T. Luna, Linn. — Rare, June. 



Distribution.— 'Mexicoj (B.M.C.) ; Massachusetts, (Harris) ; New 



York, (Emmons) ; Niagara, Sorel, &c. 



Group 3. NocTUiNA, Stainton. 



Division 1. TRiFiDiE, Guenee. 

 Sub-Division 1. Bombtcipormes, Guenee, 

 Family. Cymatophorid^, Hen.-Schceff. 

 Genus 1, Gonophora, Bruand ; Thyatira, Ochs., &c., p. 

 1. G. scripta, Gosse. — Not very common, June and July. 



Distribution. — New York, (E. Doubleday) ; Eastern Townships, 



(Gosse) ; Orillia, C.W., (Bush) ; Rouge Dis- 

 trict. 

 Genus 2, Thyatira, Ochs. 

 1. T. cymatophoroides, Guin. — Common, June and July. 



Distribution.— ^Q^ York, (E. Doubleday) ; Orilla, C.W., (Bush) ; 



Rouge District. 

 Genus 3, Leptina, Guen. 

 1. L. Doubledayi, Guin. — Rare. 



Distribution. — Northern States, (E. Doubleday). 



Family, Bombycoidje, Guen, 



Genus, 1. Balsa, Walker M.S.S. 



" Balsa, N.G. 3fas. Corpus gracile. Proboscis distincta. Palpi 

 graciles, recti, subpilosi, oblique ascendentes ; articulus 2 us. lon- 

 gus; 3 us. parvus, lanceolatus. Antennae glabrae. Abdomen 

 subcarinatum, apice compressupo, alas posticas non superans. 

 Pedes graciles, glabri ; calcaria longa. Alae latiusculse, apice 

 subrectangulatse, costa vix convexa, margine exteriore subconvexa 

 subobliquo." 



*' Male. Body slender. Proboscis distinct. Palpi slender, 

 straight, slightly pilose, obliquely ascending a little higher than 

 the head : second joint long : third minute, lanceolate. Antennae 

 simple, smooth. Abdomen slightly keeled not extending beyond 

 the hinder wings ; tip compressed, with a small apical tuft. Legs 

 slender, smooth ; hind tibiae with four long spurs. Wings rather 

 broad. Forewings nearly rectangular at the tips ; exterior hor- 

 de slightly convex and oblique ; costa very slightly convex/' 



