178 IDENTITY OF THE AUSTRALIAN PERIPATUS, 



the back runs a longitudinal median line, which consists only of 

 black j^apilla^ but this line is comparatively faint. The papillae 

 along the back are arranged in fairly accurate trans^-erse rows, 

 and each row is separated from the next by a furrow. The skin 

 between the papillae is dark grey. The papillae on the legs are 

 fairly wide apart. The legs have "soles," which, as in F*. Cfipensisy 

 consist of three segments, but the shape of these segments is 

 very different from those of P. capensis. The first proximally is 

 black and strongly curved and considerably narrower than the 

 following. The second and third segments are reddish yellow and 

 much shorter but broader than the first. The claw-bearing joint 

 which follows these segments, is distinguished by its four-cornered 

 appearance, due to a pair of papillae at its outer corners, one on 

 each side {P. caj)ensis has three papillae). The claws are smaller 

 than those of P. capensis. The structure of the mouth is the same 

 as that in other genera [? species] only the soft parts surrounding 

 the mouth and sexual organs are white and not yellowish, but 

 this may be due to the action of alcohol. In addition to this des- 

 cription of the outer appearance of the animal, I give the more 

 important dimensions of the described specimen. Body length 

 21 mm.; greatest breadth 3*03 mm.; length of antennae from 1-6 

 to 1 -73; width of antennae at base 0-389; in the middle of antennae 

 0-26; length of the oral aperture, including the soft parts 

 surrounding it, 0*952; length of the legs from the top 2-16; width 

 at base 0-86, but this varies; length of claw-bearing joint 0*26; 

 diameter of sexual opening with soft parts surrounding it 0.65; 

 diameter of eye 0-11; diameter of papillo3 from 0-04 to 08; 

 length of claw 0-15; width of same at base 0-105." 



" This specimen is in the possession of Professor Leuckart after 

 whom I have named it by permission. A short diagnosis may be 

 given as follows : fifteen pairs of legs; sexual organs between last 

 pair; the " sole " consists of three segments, one long and curved, 

 and two short and straight. New Holland, Australia." 



By way of comment on the above it may be remarked : — 

 (1) Though neither the exact habitat, nor the name of the 

 collector has yet transpired, " North-west from Sydney " is some- 



