CLOE. 53 



1. C. bioculata. 



Cloeon bioculata Walk. Catal. 572, 1. (Complete synonymy.) 



Eyes of the male obscure; mesothorax yellow; base and apex of 

 the abdomen obscure ; wings hyaline. (From Mr. Walker's de- 

 scription.) 



Length of body 8 millim. Alar expanse 18 millim. Length of 

 setae 11 — 15 millim. 



Hab. St. Martin's Falls, Albany River, Hudson's Bay (Barn- 

 ston), Europe. 



Further comparison will be necessary to show whether this be 

 really the European species. 



2. C. undata! 



Cloe undata Pict. Epliem. 264, 10; tab. xli, fig. 6. Walk. Catal. 575, 10. 



Pale luteous ; feet yellowish, apex of the tarsi obscurer ; setae 

 whitish, annulated with black ; wings hyaline, anterior ones with 

 the costal margin fuscous, marked with round, hyaline spots ; 

 clouded with fuscous upon the disk and posterior margin. <£ 

 Imago. 



Length of body 7 millim. Alar expanse 15 — 19 millim. Setae 

 10 millim. 



Hab. Mexico; Cuba (Pictet); New York (Calverly). 



I have seen but a single very much mutilated specimen. 



3. C. mollis. 



Cloe mollis Asa Fitch- in de Selys Longcliamp's collection. 



Hab. United States. Unknown to me. 



4. C. posticata. 



Cloeon posticata Say, Godman's Western Quart. Rep. II, 162, 1. 



£ Imago. Greenish-white; eyes reddish-brown ; thorax black, 

 opaque ; abdomen greenish-blue-hyaline, three apical segments 

 fuscous ; setae long, white ; feet white, anterior ones obscure at 

 base ; wings hyaline. (From Say's description.) 



Length 8 millim. Length of setae 19 millim. 



Hab. Shippingsport, 21st May. Common (Say). 



