174 



RKCOKDS OF THK AURTKALTAX MFSEFM. 



rinsfrnii (fig. -i.^h) : — Witli st fi'iiti-ly slnpiiio- sides in the 

 reii'iou of the bridge, and with pronounced ph^stral ridges in 

 the young. Of the median sutures that of <lie femorals is the 

 h)ngest. A distinct (7tli) pair of small plates wedged in be- 

 tween the liindei- paT-t of the anals is pi'esent in all the 

 specimens. TnFi-amarginals sub-equal, in four pairs ; ;i single 

 sliield between the first one and the humeral, but no distinct 

 row of plates (brachials^ bordering the pectorals, hnmerals and 

 gulars as in ('. )iiijihi>; (figs. -iSa and b). Ai'eola^ ill-defined, 

 smooth and nmst prominent on the median sei'ies of shields, the 

 plastral ridges passiuL;' 1h rough thcni. 



Fi,i4. -I.i.- «, C/ii'/oi/ia inydas, Linn. .Axilla ;ind anterior half i>f plastron. f>, 

 Clit'lonia tiepiyssa, Garm. .Axilla and antL-ridi- half of plastron of specimen \o. 7. 



The plastron diffeis fi'oni that of ( '. /////r?(^v' chiefiv i)y the 

 presence of a small pair of shields posterioi' to the anals, aiul 

 in the strongly sloping sides, dite to the I'eflexeil margin of the 

 body. The absence of a I'ing of small brachial p'ates bordering 

 the sliields in the a.xilliarv region is also cliaractei'istic. 



Sot't-jiiiits : — The soft-parts of tlie head and neck liavea vei-y 

 different appearance to those of ('. miiihis, being vci'v finely 

 wrinkled and of a fine leathery texiure. In <'. unjiJiis tlic skin 

 is yery coarsely wi'inkledand folded, ami is besef with numerous 

 small, roundish, hoinv plates, on the eyelids and in the nuchal, 

 mental, and tail regions. 



/''();•/'-//'/;//»>• (tig. 4(1 b ) : — Somi'wiiat weaker and smaller than 

 those of ('. intjiii^. Tliev an'Co\t'i('d ii\ a liuf]\- wiinklcd ^kin 

 except in the followino' places. The anterior inari^'-in bcMrs a 

 I'ow ol s(pia mini form a iched pla tes ; t he upper poslei'ior border 

 has a series of thin, tlexi ble, sjia t ulate scutes, I he pi-oxinia I ones 

 being slightly separate I from mie anoi her ; a row of wea k pla i es 



