878 Transactions of the Societij. 



Lilly rounded, the otlier with sides concave at tho middle and ^itb 

 rounded protuberant ends. 



Habitat : Santa ^Monica deposit (Eae !) 



Var. ohscnni. — Roundly elliptical, major axis ' 145 mm., about 

 1,1; times minor. Surface, with outer ends of transverse median areas, 

 broad and slightly convex ; the sides concave. Cintral space obscure. 

 I\rarkings obscure punctate, delicate striit around the outer ends of the 

 transverse areas ; between the elevations a few large irregular spots. 



Habitat : Santa I\Ionica deposit (Kae !). 



Var. hifurcata. — iMajor axis from 0*1 to • 18 mm. Surface, with 

 the four areas, sharply defined, the outer ends of those passing to 

 processes close to border, but slightly convex. The outer ends of the 

 transverse areas bifurcate, the branches tapering outwards and curving 

 towards one another ; the intervening central portion convex. Markings 

 distinct, punctate at the middle of these areas and of the intervening 

 portions. Processes rounded. 



In Prof. P. T. Cleve's collection of Aiilisei, preserved in the Eoyal 

 Botanical Museum, Stockholm, this is named Auliscus nobilis 

 Cleve :MS. 



Habitat : Oamaru deposit (Grove & Sturt ! Eae !) Jackson's 

 Paddock, Oamaru (Kitton !). 



A. intestmalis Sch. Atl., pi. cviii. fig. 2. 



Eonndly elliptical, major axis 0'13 mm., about 1^ times minor. 

 Suriace with the transverse median and obconical areas sharply defined, 

 subecjual, expanding regularly and rapidly outwards from their inner 

 ends. Markings delicate stria) radiating outwards from the centres of 

 the transverse areas ; short prominent clear lines distinct between the 

 sides of the adjacent areas, and around the outer ends of the transverse 

 areas, convolute and frequently anastomosing; non-apiculate. Pro- 

 cesses 2, large, mammillate, with rounded free ends. 



Habitat : Santa Monica deposit (Kinker !}. 



A. peetinatus sp. n. 



Elliptical, major axis • 0625 mm., about !§■ times minor. Surface 

 rising but slightly to the processes, transverse median areas narrow, in- 

 distinct. Colour pale smoky grey. Central space with sides slightly 

 concave, the angles in the direction of processes most protuberant and 

 almost extending to inner edges of latter, about 0*01 mm. broad. 

 Llarkings obscure, punctate, on the transverse areas more distinct, 

 delicate almost parallel striae passing obliquely from the edges of the 

 transverse area to the processes, those diverging from the outer ends 

 of this area to the border more evident, curved ; apiculi minute, 

 crowded around the processes, few in the course of the obhque striae. 

 Processes 2, round, U'U125 mm. broad. — PI. XII. fig. 5. 



In Cleve's collection specimens of this species occur under the 

 name A. Sturtii Cleve MS. 



Habitat : Oamaru deposit (Grove & Sturt !). 



