370 MR. W. H. FLOWER ON THE OSTEOLOGY OF THE SPERM-WHALE. 
DESCRIPTION OF THE PLATES. 
PLATE LV. 
Skeleton of the Tasmanian Cachalot, as mounted in the Museum of the Royal 
College of Surgeons. Scale sz. The ribs and pectoral limb of the distant side are 
omitted for the sake of greater distinctness. The small eleventh rib is almost entirely 
concealed by the one in front of it. 
It is but due to the long-continued and valuable services rendered to the study 
of comparative osteology by my namesake, Mr. James Flower, the articulator to the 
College, whose mechanical skill, combined with extensive and accurate anatomical 
knowledge, has enabled him to bring the art of mounting skeletons to the greatest 
degree of perfection yet attained, to mention his name in connexion with this, his 
ereatest work. 
pm. premaxillary. so. supraoccipital. 
m. maxillary. eo, exoccipital. 
d. g. dental groove. sh. stylohyoid. 
pl. palatal. bh. basihyoid. 
f. frontal. th. thyrohyoid, 
s. squamosal. p. parietal ? 
j. Jugal. 
PLATE LVI. 
Fig. 1. Vertical longitudinal section of the skull of the same Cachalot. 
Fig. 2. A similar section of the skull of a very young Cachalot, from Tasmania. 
Fig. 3. A similar section of the skull of a nearly adult Hyperoodon, in the Museum of 
the Royal College of Surgeons. 
Alls. 
pm. premaxillary. bo. basioccipital. 
m. maxillary. as. alisphenoid. 
v. vomer. bs. basisphenoid. 
e. ethmoid. ps. presphenoid. 
if. foramen corresponding to the pt. pterygoid. 
* infraorbital.” pl. palatal. 
f. frontal. n. nasal, 
so. supraoccipital. 
