DAVID BRTCE ON TWO NEW SPECIES OF PHILODINA. 527 



Central portion of upper lip bounded by ridge-like folds of 

 skin. Eyes small and round. 



This form might easily be passed over as merely an immature 

 or small variety of P. citrina, but it differs distinctly and 

 sufficiently from that species in the above noted characters of 

 the spurs and of the upper lip. It occurs usually in mosses 

 growing on or near damp ground, but is also to be taken in 

 .Spha^inum and in mossy pools. The alimentary regions are 

 sometimes colourless, more often yellowish-red, occasionally of 

 a faint green tint. Although in most cases the length does 

 not exceed 285 fx when extended, yet in some localities it seems 

 to attain decidedly larger proportions. 



Its general form is scarcely so robust as usual among those 

 Philodinae which have a four-jointed foot. The corona is 

 moderately wide, 45 to 55 [x, the pedicels separated by a sulcus 

 of average width and depth. The upper lip has its central 

 portion bounded at each side by a ridge-like fold of skin w^hicli 

 invests the bases of the pedicels on the inner and dorsal sides. 

 The collar has a breadth of 38 to 44 yot, and is always distinctly 

 greater than the neck, 29 to 32 jx. The dorsal antenna is of 

 fair length, and each trochal disk possesses a seta or pencil 

 of setae arising from a slight central prominence. 



The mastax and internal organs generally, so far as made 

 out, present no peculiarities. The rami are about 16 ;i>t long, 

 and have each two distinct transverse bars, and occasionally 

 -a fainter bar indicated more or less plainly. The lumen of the 

 stomach is slender and lined with cilia. In dorsal view the eyes 

 are small and round and of the usual red colour. When the 

 animal is feeding, the rather short and slender foot is generally 

 concealed beneath the posterior segments of the trunk. The 

 .spurs are from 4 to 6 /x long, and the interstice between them 

 is about 4 jx wide. They are usually held at a slightly divergent 

 angle, and may occasionally be seen to be bent abruptly, as 

 though not absolutely stiff. The four toes are in two pairs, the 

 dorsal pair smaller than the terminal, as usual. 



I found this interesting species first near the Cuckoo Pits 

 in Epping Forest in 1893, and in later years in other localities 

 in Essex and also near Folkestone. I have received it also from 

 Forstmeister Bilfinger, of Stuttgart, from Mr. Lord of Rawten- 

 -stall, and from Mr. James Murray, who has sent it from 



