3 44 LICMOPHORA. 



II. Frustules profoundly septate. 



L. Ehrenbergii (Kiitz.) Grun. (in Hedw., 1S67, p. 36; 

 H.V.H. Atl., pi. 47, f- io, "*)i P late 3L fi g- 853. 



Valves broadly cuneate, somewhat obtuse at the base ; superior apex 

 rather acute; pseodo-raphe broad; stride very robust, about 8 to 10 in 1 

 c.d.m. ; frustule narrowly cuneate. Length, 10 to 14 c.d.m. 



Marine. Coasts of the North Sea. England (Kitton). English Channel. Ireland (O'Meara). 



var. ovata (Z. ovata W Sm. ; H.V.H. Atl., pi. 47, f. 13*; Type 

 No. 327), plate 31, fig. 854. 



Valve much broader, apices more obtuse. 



Marine. Found in England. 



L. paradoxa (Lyng.) Ag. (Ag. icon. Aig., 1829; H.V.H. 

 Atl., pi. 47, f. 10-12*), plate 31, fig. 855. 



Valve short, oboval, subpyriform, abruptly attenuate towards the inferior 

 third. Pseudo raphe rather broad ; strire very fine, about 27 in 1 c d.m. at 

 the middle of the valve. Girdle face very broad at the superior portion, with 

 septa rather strongly arcuate towards the superior third. Length, 3*5 to 6 

 c.d.m. 



Marine. North Sea. England (Ralfs), Scotland (Greville, Dickie), Ireland (O'Meara). 



L. Lyngbyei (Kutz.) Grun. ! (Podosphmia Kutz., Baa, pi, 



10, f. 1 and 2; H.V.H. Atl., pi. 47, f. 16*; Type No. 321), plate 11, 

 fig. 460. 



Valve clavate, regularly attenuate up to the inferior third, which is 

 attenuate, and with subparallel margins, the internal septa being distinctly seen 

 through the transparent valve ; striae fine, 14 or 15 in 1 c.d.m. in the superior, 

 and 1 2 in 1 c.d.m. in the inferior portion. Girdle face rather broad in the 

 superior portion, with angles very rounded. Length, about 5 c.d.m. 



Marine. Ostend (Westendorp, No. 797). Noith Sea. England (Kitton), Ireland (O'Meara). 



L. tincta (Ag.) Grun, (in Hedw., 1867, p. 35; H.v.H. Atl. 



pi. 48, f. 13-15*; Type No. 328), plate 31, fig. 856. 



