MIOCENE MOLLUSCA OP LAKE URMI. 435. 



carried out by Abich* in the same year, when he figured and 

 described the following species as having been obtained from the 

 " Bryozoen und Foraminiferen-Kalkstein " division of his " Supra- 

 JSTuramuliteukalk " series, at Urmi and neighbourhood. 



POEAMIJTIFERA : 



Polystomella qiiaterpimctata, n. sp. 

 A CTiKOZOA (Corals) : 



Astrcea Guettardi, Defr. 



Ellisiana, Defr. 



Defrancii, M.-Edw. 



grandistella, n. sp. 



Fhyllocoenia d'ArcJiiaci, M.-Edw. 

 Porites polymorjjha, n. sp. 

 leiopJ/i/lla, Eeuss. 



ECHINODEEMATA : 



Clypeaster alius, var. turrit us, Phil. 



diversicosiatus, n. sp. 



Echinolampas complanatus, n. sp, 

 Betozoa : 



Ceriopora palmata. Orb. 



Polytrema spongiosa, Phil. 



Cellepora gracilis, Miinst. 



Diastopora gemmifera, n. sp. 



Memhranipora fenestrata, Eichw. 



Ceriopora anomala, n. sp. 

 Lamellibeaxchiata : 



Pecten planicostatus, n. sp., P. convencooostatus, n. sp., 



P. benedicius, Lam., P. maximus, Linn., 



P. hurdigalensis, Lam., 



P . jiahelliformis, Brocchi, P. simplex, Michelotti, 



P. varius, Linn. 



Spondylus hifrons, Goldfiiss. 



Ostrea Virleti, Dash., O. excavata, Desh., 



0. lamellosa, Lamarck. 

 Gasteropoda : 



PLaliotis PJiilherti, Serres. 



* Abich, H. — " Ueber das Steinsalz und seine geologisclie Stellung im 

 Russischen Armenien," Mem. Ac. Imp. Sci. St. Petersbourg, 1858, ser. 6, 

 vol. vii. pp. 61-150, pis. 1-10. Although read December 14, 1856, and issued 

 as an author's copy in 1857, this paper was not published until 1858. 



