302 EEV. A. E. EATON ON EECENT EPHEMEEID.E OE MAYFLIES. 



brown. Abdomen yellow [fuscous in tbe figure cited], witli the apical borders and 

 oblique lateral stripes of the segments black, and with two longitudinal dorsal and ventral 

 series of black dashes or streaks besides. Setse yelloAv, with black annulations that are 

 narrow and broad alternately. Legs ochreous ; a spot on tlie femur and the extremities 

 of both femur and tibia piceous. Wings vitreous, with black neuration, and -with a 

 brownish tint in the costal region, where the cross-veinlets are coarser than elsewhere, 

 and irregular. Length of body, $ 12; wdng about 14; setae 18 mm. 

 Hab. Valdivia, Chili (Blan chard). 



EUROPEAN SPECIES OF UNCERTAIN GENUS. 



Eaetis fusctjs, Schneider. 



Cloefusca, Sclm., Stctt. ent. Zcit. vi. 340 (1845). 



Ba'etls? fuscus, Etn., Trans. Eut. Soc. London (1871) 120. 



Imago ? . — " Tergum thoracis fuscuni ; alas vitriua?, nervis fuscis, antiea area costali 

 apicem versus fulvescente, et nervis transversalibus pluribus. Pedes saturate testacei. 

 Abdomen supra rufescens, apicibus segmentorum brunneis ; subtus testaceum. Setie 

 saturate testacea3, fusco annulatse." Long corp. ? 2'75, set. G-25 lin. 



Hab. Messina, April. [After Schneider.] 



Heptagenia iridana, Kolenati. 



Baetis iridana, Kolcn., Wien. ent. Moiiatsclir. iv. 383. 

 Heptagmia indana, Etn., Trans. Ent. Soc. London (1871) 148. 



Imago. — " Coi-porc rufo-brunueo, segmeutis abdominis dorsalibus postice late brunneo 

 marginatis ; alis iridinis, tribus nervorum anteriorum flavis, reliquis brunneis, i)tero- 

 stigmate [/. e., apice are* marginalis] infumato vei fiavescenti. Venter luteo-brnnneus, 

 setis obscurior." (Kolen.) Long. corp. 3'5; al. 5 ; set. 12 lin. 



Hab. Altvater, in August and September, at an altitude of 4000 feet. The type is iu 

 the Hoyal Polytechnic, Brunn. 



BAiiTis viTREATUS, Zettcrstcdt. 



Ephemera v'ttrea, Zutt., Ins. Lap. col. 1045 (1840). 

 Baetis rttreatus, Wallengren. 



" Nigra, nitida, pedibus sordide lutcis, alis byalinis, nervis valde tenuibus albidis crebre 

 reticulatis, setis caudalibus pallidis, articulatione fusca. Mas : abdominis medio forc- 

 ipeque sordide alba. Pcm. : abdomine toto nigro." Long. corp. fere 4 ; al. exp. 8 lin. 



Hah. Western Finmark by standing water near Bozzekop, August 7th. Setoe 2, 

 dirty white, with fuscous joinings. (Zettcrstcdt.) 



IIePTAGENIA MONTANA, Pictct. 



X Baetis montana, Pict., Hist. Nat. Nevropt. ii. Ephcm. 172, pi. xx. 3 (1843-45); Walk., List of 

 Neuropt. Ins. iu Brit. ]Mus. part iii. 557 (1853) ; Braucr, Nenropt. Anstr. .'JG (1857) ; Ausser., Ann. d. 

 Soc. Natur. Modena, Ann. iv 434 (18G9). 



Heptagenia montana, Etn., Trans. Ent. Soc. Loudon (1871) 154; Meyer-Diir, Bull. Soc. Ent. Suisse, 

 V. 313 (1874). 



