305 



Leai. 



Leaia tricarinata. 

 XIII 



(Meek & Worthen, Illinois Geological 

 Report, Vol. 3, 1868, 

 page 541.) Collett's 

 Indiana Geological Re- 

 ^A port of 1883, page 167, 

 plate 39, fig. 10, right 

 valve, natural size ; fig. 11, another, enlarged twice ; fig. 12, 

 back view of another, enlarged twice ; fig. 13, left valve, natural 

 size. — This interesting little bivalve crustacean has been found 

 at various places in the Indiana Coal Measures, usually pressed 

 flat ; shell very thin and seldom preserved. It resembles Leaia 

 leidyi^ a Pennsylvania species half its size. CoUett. — XIII, 



Lecanocrinus macropetalus. Hall. To this belong figs. 

 5, 5«, 55, ("Cyathocrinus").p. 165 above. (Whitfield.) 

 Lecanocrinus pusillus. See Appendix. 

 Leda hellistriata. See Nuculana bellistriata. XIII 

 Leda levata. See Tellinomya levata. //<?, 1111. 

 Leda nasuta. {Nucula nasuta.^ Hall, Trans. Albany Insti- 

 tute, Vol. 4, 1856 ; Nuculana 

 nasuta., Whitfield, Bull. 3, 

 Am Mus. Nat. Hist. p. 57, 



InxL.l'iTL. /»/. 30.^^^ Y%VC^ Indiana Report, 1882, 



page 344, plate 30, figs. 7, 8, enlarged four times^ similar views 

 of two specimens ; fig. 9, enlarged three times^ another from 

 Spergen hill. 111. — Subcarboniferous {Warsaw limestone) for- 

 mation. XI 

 Leda rostellata. See Nuculana rostellana. VIII c. 

 Leiopteria bigsbyi. See Appendix. 

 Leiopteria dekayi. See Appendix. 

 Leiopteria rafinesquii. See Appendix. 



Leiopteria ? Specimen 886-1 ,in Sherwood's coll. on 



Bently creek, Bradford Co., Pa., from Chemung^ VIII g. 

 Leiorhynchus globuliformis. {Atrypa gloluliformis.) 

 y Vanuxem Geology of the Third District of 

 ^ ' New York, 1842, page 182, fig. 49, 2. Che- 

 mung. — Found by White at Danville (G7, 

 72, 308), and by Olaypole ^ m. N. of Liver- 

 pool, Perry Co., Pa. (Spec. 37-2, 3.) — 

 Vlllg. 

 20 



