230 M. YOKOYAMA; MESOZOIC PLANTS 



under the oeniis Cjiparissidium Heer on iiccoant of its great resemblance 

 to C. gracile Heer (Kreideflora der Arktischen Zone, p. 74, pl. XIX). 

 It is also not unlike some of the Arthwtaxopsis described by Fontaine 

 from the Potomac. 



Loc. — Kagahara; in great abundance. Tan no, Fujikawa ; rare. 



26. Torreya venusta 7^/. 

 PI. XXII, Figs. 11, 12, 12(1. 



Sleiii slender ; lea ces tolerably close togetJier, stihoiiposite, direeial soiiie- 

 irliai fortrard, siiialL linear, straight or sliglttlg ciirred outirards, gradualhj 

 tapering in front into an acute apex, base alniipllg rounded ami disiiclious; 

 no distinct midrib. 



There occur fragments of a little' conifer whose leaves measure 

 5-() mm. long and 1 mm Ijroad, and are directed forwards at an angle 

 of about ()0° to the stem. Ibey possess no midi'ib ; but in its stead, two 

 strong' cord-like loniiitiidinul lines were observed in one or two leaves. 

 Therefore it is n<:)t wliollv impi'obaljJe that we have here to deal with a 

 plant at least closely akin to the recent genus Torreija. The leaf-sub- 

 stance, however, as it appears on stone, seems not quite so firm as 

 might be expected in this genus. Therefore the generic determination 

 must be left still unsettled. 



Fontaine descriljes a similar cfmifer from the Potomac under the 

 name of Torrega rirginica (I. c. p. 22o4, pl. CIX, fig. 8). 



Loc. — Yuasa ; not frecpient. 



Phyllopoda. 



27. Estheria reetangula m. 



PI. XXI, Fig. 13. 



Carapace-calces s)nalL <iuadrate, moderatehj centncose. broader than 

 high with umbo terminal; tJie dorsal margin straight and parallel icilli the 



