148 Rey. A. E. Eaton’s Monograph 
Heptagenia alpicola, nov. sp. 
(Genitalia maris, Pl. VI. fig. 19.) 
Imago, v.v.s. 6. Oculi fuliginosi. Thoracis tergum 
fusco-luteum. Al vitrine, nervis piceis, interdum are 
marginalis apice nigricante. Pedes rufo-picei: antici 
tarsis corvinis, vel tibiis et tarsis atris ; posteriores tarsis 
paulo obscuratis, vel saturate piceis. Abdomen supra 
luteum vel saturate griseum, marginibus latis segment- 
orum apicalibus, strigaque in medio longitudinali, sub- 
fuscis vel fuscis. Venter pallidus, striga longitudinali 
angulatim in medio segmenti singuli dilatata subfusca ; 
segmentorum penultimum luteum. Setz fuliginosz. 
Forceps fumatus, proximis articulorum fuliginosis. 
Long. corp. g 13-14; al. 15-16; set. 41-44 mm. 
Hab.—Near Contamines, Val Montjoie; Carinthia. 
Heptagenia iridana. 
(?) Baetis aurantiaca, Burm. 1839.* B. iridana, Kolen. 
1860. 
Imago. “ Corpore rufo-brunneo, segmentis abdominis 
dorsalibus postice late brunneo marginatis ; alis iridinis, 
tribus nervorum anteriorum flavis, reliquis brunneis, 
pterostigmate [%. ¢., apice areee marginalis | infuwmato vel 
flavescenti. Venter luteo-brunneus, setis obscurior.” 
(Kolen.) 
Long. corp. 3°5; al. 5; set. 12.” 
Hab.—Altwater, in August and September, at an alti- 
tude of 4000 feet. The type is in the Royal Polytechnic, 
Brunn. 
Heptagenia annulifera. 
Palingenia annulifera, Walk. 1860. 
Imago, v.s.s. 9. Thorax furfurosus, lateribus pro- 
et meta-thoracis dorsi pallidioribus. Ale vitrinz, nervis 
* Burmeister’s diagnosis of B. aurantiaca is as follows:— 
Imago. ‘“‘Rufo-testacea, segmentis abdominalibus utrinque linea obli- 
qua nigra; alis gracilibus hyalinis.”’ 
Long. corp. 3°5 lin. 
Hab.—Halle. 
