BY G. I. PLAYFAIR. 29 



Var. ELLIPTICA, n.var. (PI. iv., f.lO). 



Lorica elliptica, a tergo acuminata: collo brevissimo plerumque 

 obliquo; membrana scabra. 



Long. 31, lat. 16; coll. alt. 2, lat. 7 /x. 

 Lismore 242. 



Var. CORDATA, n.var. (PI. iv., f.ll). ^ 



Lorica cordata, a tergo acuminata; collo brevissimo recto. 

 Long. 21, lat. 18; coll. alt. 2, lat. 3-4 /x. 

 Lismore 242. 



Var. PYGM^A, n.var. (PI. iv., f.21). 



Lorica ovalis, a tergo in caudam brevissimam tiuncatam pro. 

 ducta; collo lato humillimo; membrana inrequaliter scabra. 

 Long. 34-35, lat. 18-20; coll. alt. 2-3, lat. 9-10 fi. 

 Wyrallah, mere on grass-land. 



Trachklomonas eurystoma Stein, forma (PI. iv., f.l2). 



Lorica quam in f. typica magis rotundata, a tergo minus 

 acuminata; collo paullo breviore, emarginato haud sulcato; mem- 

 brana subtilissimeet oblique striata, striis 

 interdum undulatis; colore dilute fusco. 



Long. 26, lat. 19; coll. alt. 1, lat. 9 /x. 



Lismore 244. 



Cf Stein, Naturg. d. Flag., H. 1, Pi. 

 xxii., f.35, whose figure measures 31 x 21. 

 The form found here has a shorter neck, „. ^ 



r ig. 8. — 1 



not sulcate, and with emarginate edge, stein, x 650, after Stein. 

 the mouth not quite so wide. The lorica 



is pale brown, sometimes with a purple tinge, and is finely and 

 faintly striate obliquely downwards from right to left, not vice 

 versd, as in Euglena and Lepocinclis. The striae are lines of 

 partly coalesced scrobiculse. 



Var. PRODUCTA, nom.nov. (PI. iv., f.l3). 



Forma a tergo producta, conica, acuminata. C/. Stein, I.e., f.36. 

 Long. 27, lat. 18; coll. alt. 1, lat. 6 /x. 

 Lismore 244, cum priori. 



