440 Mr. R. Harkness on a Tridactylous Footmark 



middle by two parallel lines of brown and two indistinct eyes 

 with darker centres, both wings with two submarginal lines of 

 brown. 



Under side as above, except that the anterior wing is crossed 

 before the middle by two lines of brown, and that the eyes on 

 the posterior wing are rufous with deep black centres dotted 

 with white, that there are besides two smaller ocelli, outside of 

 these, and between them two oval spots with a line of silver in 

 their centres. 



The female differs from the male in having the upper side 

 brown, tinged with purple near the base, crossed in the middle 

 by a common band of white, commencing on the anterior wing 

 below the costa and divided at the inner margin from the band 

 on the posterior wing. Under side ashy brown with the white 

 central band as above. Exp. ly^^ i^ch. 



In my own collection. From the river Amazon. 



Euptychia tricolor, Hewitson MSS., Diurnal Lepid. pi. 65. fig. 5. 



Upper side. Anterior wing brown, with the costal margin 

 rufous, and a line of bright blue parallel to the lower part of the 

 outer margin. 



Posterior wing black, with the upper edge broadly margined 

 with orange, the outer and inner edges with brilliant blue. 



Under side. Anterior wing ash-colour, with the costal ner- 

 vure, three equidistant oblique bands and two lines parallel to the 

 posterior margin brown; at the apex an orange ocellum with 

 black centre. 



Posterior wing : basal half ash-colour, with the base and two 

 bands brown, outer half brown, with two large eyes of deep 

 black margined with orange and bipupiled with white ; between 

 them two oblong orange spots centred with silver, and on the 

 costa a minute ocellum; below these two submarginal brown 

 lines. Exp. ly^^ inch. 



In my own collection. From the river Amazon. 



XXXVII. — Notice of a Tridactylous Footmark from the Bunter 

 Sandstone of Weston Point, Cheshire. By R. Harkness, Esq. 



The quarry of Weston Point is situated on the south side of the 

 Mersey, about a mile and a half west from Runcorn ; and here 

 some of the most perfect impressions of footmarks are obtained. 

 The rock consists of the usual red, fine-grained sandstone which 

 is characteristic of the Bunter formation ; and in one part of the 

 quai'ry a thin bed of fine clay occurs separating two of the sand- 

 stone strata. It is on the face of this clay bed that the footsteps 



