454 CARBONIFEROUS TRILOBITES OF AUSTRALIA, 



distinctly granulate, reaching to the border, and gently inclined 

 backward (falcate). Medial furrows wide and shallow, reaching 

 the border, ridges low. Border continuous, narrow anteriorly, 

 gently increasing in width posteriorly, flat, densely and finely 

 granulate. 



O65. — This is a fairly large pygidium, as the dimensions given 

 will show; but it is, in this respect, exceeded by both of the 

 forms placed by Mr. R. Etheridge Junr., under the name of P. 

 yrandifi; but it has no specific relations with either of them. In 

 the number of axial rings, it agrees with P. elongata, but not in 

 other features. It is different from all the British Phillipsise 

 the writer has been able to compare it with; and the same is 

 true as far as the North American species are concerned. 



Log and Hot. — Stroud, County Gloucester, N.S.W., associated 

 with Orthis resupiiiata and Spirifer striattis. Lower(?) Car- 

 boniferous. 



Phillipsia superba, sp.nov. 

 (Plate xlviii., fig. 15: Plate Hi., fig.3). 

 Complete form unknown. 



Sp. Chars.— (7</?Aa?o?z semicircular or very nearly so, microscopi- 

 cally granulate, practically smooth; length 6 mm., width just on 

 double its length. Glabella subfiddle-shaped, orsuboblong with 

 a very gently rounded front, practically smooth, very slightly 

 convex, and decidedly contracted at the middle; three glabellar 

 furrows (doubtfully four), anterior pair or pairs very short, mesial 

 pair falcate and very faint, posterior pair faint at their origin; 

 inwardly wide and deep. Anterior and mesial lobes ill-defined, 

 the latter indistinctly separated from the basal pair, which are 

 small, reniform, and prominent, standing out from the posterior 

 part of the glabella, like tubercles. Neck-furrow distinct, with 

 a decided central and basal forward curve, its lateral extensions 

 straight and well-defined, joining with the lateral furrows of the 

 free cheeks within the genal angles. Neck-ring strong, convex, 

 centrally and basally anteriorly inclined, bases also gently tuber- 

 culate; lateral extension narrow and not prominent. Axial 

 grooves relatively narrow, deep, and sinuate. Limb narrow, 

 with gently thickened and mildly raised margin. Facial sutures 



