351 



Ling. 



UC. 



Geol. W. 1. and Minn. 1852, pi. 1 B, f. 4, 6, 8 ; from sandstone 

 at the falls of the St. Croix. — /. 



Lingulepis pinnaformis, Owen. A group of the smaller 

 (dorsal) valves of this little brachiopod is figured on page 154, 

 above, and wrongly named by Owen. Craniaprima, (R. P. W.) 

 Linnsea humilis. Say, abundant in the shell marl of the 

 glacial ponds at Harmonsburg, Crawford Co., Pa. Q4, p. 41. 

 Linnarsonia sagittalis. See Appendix. 

 Linnarsonia transversa. See Appendix, 

 Liostracus aculeatus. Walcott, Bull. U. S. G. S. No. 10, 

 .g page 36, plate 6, fig. 5, type of the genus, copied 

 ^"' from the Swedish of Angelin, to make compari- 

 son with Walcott's genu^ Ptychoparia. It re- 

 presents the forms which have an unfurrowed 

 head-piece (glabella) and no eye-ridges on the 

 fixed cheeks. (See the discussion of Ptycoparia, 

 on pp. 34,35,36.) — Middle Cambrian forma- 

 tion. M, C. 



Liostracus ouanagondianus^ See Conocophalites aurora, 

 which Matthew considers a variety of it, and makes it Lower 

 Cambrian, L. C 



Lithentomum hartti. Scudder. A hexapod insect from 

 the Devonian strata of St. John, N. B. See Conad. Nat. [2] 

 Vol. 3, 1867, p. 206, f. ^,—XLLIf LX? 

 Lithomantis carbonaria. See Appendix. 

 Lithomilacris simplex, Scudder. A cockroach from near 

 Danville, 111. Mem. Boston S. N. H. Vol. 3, 1879, p. 51, pi. 5, 

 fig. 5. Coal measures., XLIL. 

 Lithomilacris angustum, Scudder. Mem. Bost. S. N. H. 

 "^^"^ Tn _^«^^^.».._ I 1879, p. 48, pi. 



^ 5, fig. 2, 3, 



A cockroach 



from 



iS79. 



