102 



KECOKDS OF TUK AU.STIJALIAN MLisELM, 



Ventral plates spineless, liairy, with the usual cross-impres- 

 sions well marked. Pleurosternal suture with a fine ridge 

 on the segments four to seven, simply- swollen on the following 

 and growing more and more faint towards the posterior end 

 of the body. Stigmata opening in small, dark coloured 

 granules. Legs long ; not longer at the posterior end than in 

 the middle of tlie body ; pilose ; third joint longer than the 

 breadth of the corresponding sternite (in the proportion of 3 

 to 2.5) ; last joint distinctly shorter than the third. 



Male : — The last joint of all legs and the distal half of the 

 fifth joint are furnished below with a thick brush. First pair 

 of legs similar to that of .1. niliibmci, thickened, and with a 

 strong blunt tooth on the anterior surface of the third joint ; 

 claw normal, acute. The intercoxal lamina of the fifth 

 sternite is similar to that of ^4. froytjatti, large, tilling all the 

 space between the coxa; of the fourth pair, turned onwards, 

 wider distally, but less thickened with distal angles, less 

 rounde.d and somewhat more straight margin. 



The coxal aperture of the gonopods has quite a special 

 structure (fig. 27). The posterior 

 margin is angularly produced, but 

 shows no trace of a tooth as seen in 

 A, rdinhuiri or .1. ether'nhjei. The 

 I-- anterior margin, on the contrary, is 

 upraised, excised on each side, angu- 

 lar outwardly, and provided in the 

 middle with a large horizontal lap, 

 the a))ex of which is rounded, over- 

 hanging the aperture aud reaching as 

 far back as the level of the jiosterior 

 margin, so that, to a superficial 

 ^^:f^;::^^:lZ7.^'^. observer, the coxal aperture might 

 ture of ftonopods. /9 = 9th pair j^ppgar to be divided into two sockets. 



(lono])ods (J'l. XV., tigs. IS and If)) entirely independent 

 from one another. C'oxa? of normal shape ; the posterior distal 

 margin is feebly ])roduce(l ; no anterior distal process. Tracheal 

 stalk moderately elongate, flattened, arched. Femoral part of 

 the telopodit distinctly outlined all round, somewhat produced 

 fxisteriorly, very liaii'v. The rest of tlie telo]todit is not 



