248 [November, 



the Pla Guilhem being smaller and more fulvous than those from Cauterets. Speci- 

 mens from the latter locality have the fulvous band on the fore- wings almost entirely 

 absent. IE. Tyndarus, var. Dromus. — This pretty variety occurred on the Pla 

 Q-uilhem and in great numbers near the Lac de Q-aube. The Vernet specimens are 

 more fulvous, and have larger ocelli than those we took near Cauterets. Both forms 

 are, however, readily separable from that occurring in Switzerland. -E. Prono'e, 

 var. pyrenaica. — A single specimen of this variety was taken at Cauterets on July 

 23rd ; it is usually abundant there in August. E. Euryale. — Rather common on 

 the route to the Lac d'06 ; it also occurred about Cauterets. We did not take a 

 long series, and the individual specimens vary too much to enable one to point to 

 any constant peculiarity separating them from the Swiss form. 



Satyrus Alcyone. — Fairly common at Vernet in dry stony places, and noticed 

 also at Cauterets. It appears to entirely replace S. Hermione in the Pyrenees. 8. 

 Circe. — Taken at Yernet, but not in any numbers. iS. Briseis. — ^Taken on the 

 dry hill sides below Vernet, where several other species of Satyrus occurred. S. 

 Arethusa. — Two specimens were taken in company with one S. statilinus on the 

 fringe of the marshy ground at Biarritz on July 27th ; both species are probably 

 abundant there in August. 



Epinephele Janira. — A very bleached variety was taken at Vernet. The females 

 of this species are not so handsome in the Pyrenees as in other parts of the South 

 of Europe. 



Coenomympha (Edipus. — This very local species was abundant in the marshy 

 ground at Biarritz, were we captured upwards of sixty specimens one morning. 

 They vary considerably in the number and size of the ocelli on the under-side. 



Spilothyrus althem. — Occurred at Vernet and Cauterets, but not abundantly. 



Syrichthus alveus. — Very abundant near the Hdtellerie du Pont d'Espagne on 

 the route to the Lac de Gaube, where they congregate in great numbers on mules' 

 dung. 



Cyclopides Morpheus. — We were pleased to find this strange species in the 

 marshy ground near Biarritz, where it flies over the reeds with a curious jerky 

 flight. It was not uncommon, and would not be diflicult to catch on dry land, but 

 in the marsh its pursuit had frequently to be abandoned. 



We did no real work among the Heterocera, but a few interesting 

 species came incidentally under our notice. Among these were Zygoena 

 anthyllidis and Psyche LesclienauUii, both of which are confined to 

 the Pyrenees. We found them not uncommonly on the Cabaliros, 

 where Herr Seebold directed our attention to them. The Psyche 

 occurred on the lower slopes, while the Zygcena frequented the summit 

 of the mountain between 7000 and 8000 feet. Among other species 

 of interest that we noted were : — Zyg. Sarpedon, the larvae of which 

 were found in abundance by M. Chretien near Vernet on JEryngium 

 campestre, Z. scahiosce, Cauterets, Trochilium apiforme, Vernet, Arctia 

 purpurea, not uncommon at Vernet, and Abraxas pantaria, abundant 

 in the wood near the Hotel at Vernet. 



