EXPLANATION OF PLATE XXIV. 



Figs. 1-14. Sironectcs anguliferus, one-half natural size. _ . 



1-2. Two consecutive cervical vertebras, the ? third ami fourth followed by an interval, from 



■which one or two vertebra? are missing; inferior view. 

 3-5. Five consecutive cervical and dorsal vertebras, seen from below: 3, last cervicals; 4-5, ante- 

 rior dorsals. Like 1 and 2, these have suffered somewhat from depression. 

 Fig. G. A free cervical b ypapopb ysis ; a, proximal view. 



Figs. 7-12. Vertebra? from the anterior portion of the caudal series which bear diapophyses, commencing 

 with the more anterior; 7 a, front; 7 6, posterior view of 7; 8 a, inferior view of number 8; 

 10 a, inferior view of two caudals (fig. 10), with broken chevron-bone nu the anterior; 

 12 a, anterior, and, b, posterior view of 12, a distal one of the series. 

 13-l. r -. Ribs: 13-14, proximal, and, 15, median portions. 



