48 i;i;rTiSTt pdeshwatkr ifi-iizoroDA. 



observaticin when lie desci'ibed 1>. profcifirniils. Ehren- 

 Ijerg, however, makes no aUnsion to the characteristic 

 mouth of tlie hotter. . . . Tlie name of J>. lyrotel- 

 foriiii^ is exceedingly iiKletinite in its application. It 

 was originally applied by Ijamarck, without discrimi- 

 nation, to all the forms figured and described l)y 

 Leclerc as characteristic of the genus Difffiujia." 



[Leidj, in proposing for this species the name 

 JJiffliii/iii loJtiif;foiiiii, considered it to lie the same as 

 Carter's ]>. frtcii--<j)is from Bond)aj, l)ut he rightly 

 deemed that name to l)e ina})pro]U'iate for a form having 

 an aperture with a varying nundjer of cusps or lol)es. 

 If, however. Carter's figures are correct, his species 



■■;") 



Fi.i. m.—l>l,flfn;ii,, tnaispis Carter. After Carter, lor. cit. x ahout 280. 



differs m general outline from that wdiich we know as 

 ]()l}nsfi})iiii, as well as in the form of the aperture and 

 its size in relation to the diameter of the test, so that 

 its reference to that species is very doubtful, and 

 although the name tr/i-n.^^pis was adopted by Mr. Cash, 

 it seems better to use the one by which the" species lias 

 been universally known for the last thirty-five years. 

 By Averintzev ]>. frirn.yn.^ is referred, with a query, 

 to the next s]iecies.] 



I'.K Difflugia gramen Penard. 

 (Plate XXII, figs. 1 and 'J ; and fig. (1 1- in text.) 

 lh'J'llni/ii(. I ririi.sjiis CA]r\K\; 'f u\ Ann. Na.t. Hist. ('J) X\M 1 I 



(is.')(;), |i. 1:1 1-7, f. vii, r. SO. 



Ihljlin/iii Inlinshiiiiii \jVa\)\ (pa.rs) l-'ruslnv. Jllii/,. N. ,\nior 

 |i. 1 I 'J, t. .XV, F. I.") ; y IT. 1^:;, lM-. 



