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Annals of the South African Museum. 



closely paralleled in a skull in the S.A. Mus. collection (No. 2364), 

 which has hitherto been considered as a specimen of Dicynodon planus, 

 somewhat smaller than the type. In this skull (2364) the lachrymal 

 has a wide orbital end, and narrows rapidly anteriorly, passing forward 

 just to touch the posterior border of the nares, and articulating with a 



FIG. 37. Chelyrhynchus lachrymalis, Htn. Type. No. 3334. x '8. 



bone within the nostril, presumably the septomaxilla. Certainly the 

 nasal is separated completely from the maxilla. Moreover, skull 2364 

 agrees fairly closely in shape with that under discussion (3334) ; the 

 palate is rather longer and narrower, and the occipital condyle shows 

 somewhat, but very little, more of the tripartite division. But, on 

 the other hand, it has a preparietal closely comparable with that of 

 the type of D. planus and the whole features of the top of the skull 



