154 J. MURRAY 



In front of the second median plate, from which it is separated by a plain band, 

 and close to the edge of the first pair, there is a narrow dotted band. There is a 

 similar band behind the second pair of plates, which I have not considered as a 

 median plate. These bands, and the separate dotted areas on the paired plates, 

 recall the intercalary plates of Bichters' E. scrqfa and E. quadrispinosa (26) and 

 are doubtless of similar value. 



The lumbar plate is trefoliate and faceted, having four principal panels of which 

 the posterior one is obscurely divided in two. The spines of the fringe on the fourth 

 leg are short triangles. The decurved spine of the inner claws is somewhat large 

 and far from the base of the claw. 



The oval eggs are about 80 M long, by 60 f* wide. Two or three are laid in 

 the skin. 



Australian varieties of E. duboisi have precisely the same surface texture, and 

 the same subdivision of the dotted area of the paired plates. This confirms the 

 close affinity of the two species. Such peculiarities of surface texture must not be 

 given too much weight in separating new forms from old, as there can be little doubt 

 that they have been generally overlooked. 



Echiniscus perarmatus, Murray ? (20) 



Identified from a mutilated skin, having none of the spines or setse. The plates 

 with dots of two kinds, the broad plain band at the posterior margin of the paired 

 plates, and the papillae showing on the very edge of the lumbar and median plates, 

 are all characters unknown in any other species, or at any rate not combined in 

 any species. 



Echiniscus, sp. ? (Plate XIX. Fig. 37) 



A small animal, probably immature, which could not be identified. Several 

 examples were seen. 



Description. Length 125 p, exclusive of the legs. Plates nine, two pairs, two 

 median ; dots fine, regular, nature doubtful. Lateral processes a and e, a a seta 

 of 50 , e a curved spine of 12 n, sometimes lacking. Dorsal process over d a short 

 curved spine of 6 /*. On fourth leg a fringe of small blunt teeth. All claws without 

 barbs. Lumbar plate trefoliate. 



It is needless to make any comparison with other species, as the animal appears to 

 be young and incompletely developed. 



Genus Milnesium, Doyere (2) 

 Milnesium tardigradum, Doyere (2) 

 The branched claws had, some three, some two points. 



