9 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. : 
Fig. 
Fig. 
— 
13 
THE RIGHT WHALE OF THE NORTH ATLANTIC. 
EXPLANATION OF PLATES AND FIGURES -IN TEXT. 
Puate I, 
. Profile of Skull with Mandible of adult Balena biscayensis. , orbit ; g, glenoid fossa—page 900. 
. Occipital squama, squamoso-frontal region, nasal region and dorsum of beak of the same skull. 
The figure includes the tip of the premaxille—page 900. 
. Hard palate, squamoso-glenoid, fronto-orbital and maxillary regions of the same skull; g, the 
glenoid fossa—page 900. 
Puate II. 
. Back of Cranium of B. biscayensis—pages 898, 902. 
. Back of Cranium and naso-rostral region of Bb. mysticetus. The tip of the beak is not included— 
page 902. y 
. Lateral view of block of Cervical Vertebree of B. biscayensis—page 904. 
. Anterior surface of Atlas of the same—page 905. 
. Characteristic Lumbar Vertebra, the 7th, of the same—page 906. 
. The thirteen terminal Caudal Vertebre of the same—page 906. 
Pruate III. 
. Outer surface, left Tympanic, B. biscayensis—page 903. 
. Outer surface, left Tympanic, B. mysticetus—page 903. 
. Inner surface, left Tympanic, B. biscayensis—page 903. 
. Inner surface, left Tympanic, B. mysticetus—page 903. | 
14. Inner surface, left Tympanic, 4. australis—page 903. 
15. Malleus (M) and Incus (1) of B. biscayensis, x 2—page 904. 
[The figures in this Plate and fig. 25 in the text ave from drawings from nature by Mr James T. Murray. ] 
24 
25 
FIGURES IN TEXT. 
. Ventral surface of Balena biscayensis, page 897, from a photograph of Mr Hertorson’s. 
. Convex surface of hyoid bone of the same,—page 901. ; 
g. 18. The largest and the smallest chevron bones of the same, reduced to show their relative size— 
page 907. 
. Figures of the sternum, A, of biscayensis, and B, of mysticetus—page 911. 
Figures in section of the vertebro-costal arches of B. biscayensis, Dy, through the 6th dorsal and 
the 6th pair of ribs; D, through the lst dorsal and the lst pair of ribs. 8, the position of 
the sternum,—page 912. 
. Dorsal surface of the right scapula of B. biscayensis—page 913. 
. Dorsal surface of the skeleton of the pectoral limb. H, humerus; R, radius; U, ulna; dn, inter- 
medium; w/, ulnare; radiale not differentiated; p, pisiform; C,, Carpale,; C,, Carpale, ; 
C,, Carpale,; C,+, Carpalia,+, conjoined; P, pollex; V, minimus. This figure is con- 
structed from the bones of the shaft; partly from the carpal bones and those of the digits 
themselves, and partly from Mr Evwarps’s photographs. The osseous nodules found in the 
carpus in the two hands are figured as if in the same carpus—page 915. 
. Three Pelvic bones, ' A, the concave, and B, the convex surface of the bones from the described 
skeleton. ©, the concave surface of a right pelvic bone from another skeleton. On each 
concave surface the acetabular area is to be seen—page 918. ; 
. Os Penis from the described skeleton—page 919. 
. The right orbital region of the large separate skull of B. biscayensis, O, orbit ; F, orbital border 
of frontal ; Sq, squamoso-temporal ; Mx, superior maxilla ; L, lachrymal ; M, malar—page 920. 
