Description of Entomostracaj &c. 87 



" ' No. 11. Here occurs Dischia nitida. In several of tlie 

 beds of Nos. 10 and 11 are many Annelid-borings. 



" ' In arenaceous shales a few yards below the above sec- 

 tion, I have found Sanguinolites arcuata, S. carhonariay 

 Aviculo-pecten Pera, and Spirifer laminosus." [G. Tate, 

 February 9th, 1861.] 



'' Habitat of E. striata. — With regard to the possibly 

 freshwater or marine character of Estheria striata, above 

 treated of, as indicated by its associates, I can only say that, 

 excepting the proximity of those dubiously marine forms, 

 Anthracosice and Anthracomijce, and the presence of Spiror- 

 his at Lammerton, sea-shells are wanting in the shales and 

 cannel-coal in which this Estheria has been found. 



Genus CANDONA. 



" Candona is a bivalved Entomostracons Crustacean, be- 

 longing to the Ostracoda, and is nearly allied to Cypris, hav- 

 ing two pairs of antennae, and two pairs of feet ; but Candona 

 has the lower or pediform antennee furnished with a hook in- 

 stead of with a pencil of long hairs, and creeps instead of 

 swimming. The carapace-valves of Candona are often larger 

 and more oblong than those of Cypris. 



" Candona (?) Tateana, Jones. Fig. 2. ^ig. 2. 



„ Candona (?) Tateana 



Monogr. Foss. Estheriae, Pal. Soc. 1862, p. 123, 



pi. V. &". 15. From the Mountain- 



° limestone shale. Lam- 



"A small, smooth, oval carapace-valve, some- -"ton, Berwickshire. 

 what crushed, occurs with Estheria striata, 

 var. Tateana, at Lammerton in Berwick- 

 shire. This, for the sake of distinction 

 from other somewhat similar specimens 

 found elsewhere, although it is but poorly 

 defined, was denominated by me CandonaiJ) ''%™ith"the"aVteriOTend 

 Tatea7ia, after the discoverer. MaluiSao diameters. 



{Probably the left valve. 



Genus BEYRICHIA 



" Beyrichia is an extinct bivalve Entomostracon, belong- 

 ing to the Leperditidce, which probably combined characters 

 now found separately in the Phyllopoda and Loph%jrop>oda. 



"Beyrichia Tatei, sp. nov. 



