312 THE WHALEBONE WHALES OF THE WESTERN NOBTH ATLANTIC. 



PLATE 7. 



FIGURE 1. Scapula of Balcenoptera physalus (L.) from skeleton No. 16039, U. S. National Museum. Cape 



Cod, Mass. 



FIGURE 2. The same from skeleton No. 16045, U. S. National Museum. Cape Cod, Mass. 

 FIGURE 3. Scapula from skeleton of Balcenoptera velijera (?) in Wistar Institute. Coast of California. 

 FiGURK 4. Sternum of Balcenoptera physalus (L.) from skeleton No. 16045, U. S. National Museum. 

 FIGURE 5. Scapula of Balcenoptera musculus (L.). Balena Station, Hermitage Bay, Newfoundland. 

 FIGURE 6. Scapula from skeleton of Balcenoptera musculus (L.). Ocean City, N. J. Philadelphia Academy 



of Natural Sciences. 



FIGURE 7. Radius and ulna from the same. 

 FIGURE 8. Humerus from the same. 



FIGURE 9. Ulna of Balcenoptera museulus (L.). Balena Station, Hermitage Bay, Newfoundland. 

 FIGURE 10. Nasals of the same. 



PLATE 8. 



FIGURE 1. Balcenoptera physalus (L.). No. 7 S . Showing dark left lip and the pectoral ridges. (The dark line 

 crossing the white ridges obliquely is due to slime from the surface of the water.) 



FIGURE 2. The same species. No. 18 $ . 



FIGURE 3. The same species. No. 9 4 . Showing greater extension of dark color on the left side than in the 

 preceding specimens. 



FIGURE 4. The same species. No. 13 $ . 



All specimens from Snook's Arm Station, Notre Dame Bay, Newfoundland. 



PLATE 9. 



FIGURE 1. Balcenoptera physalus (L.). No. 7 ? . Ventral view. 



FIGURE 2. The same species. No. 4 ? . Ventral view, showing the enlarged mammary glands which appear 



as large rounded eminences immediately in front of the pudendum. 

 FIGURE 3. The same species. No. 20 ? . Ventral view, showing the white right lip. 

 FIGURE 4. The same species. No. 2 $ . Anterior portion of ventral surface, showing large extension of 



dark color. 

 FIGURE 5. The same species. No. 17 $ . Dorsal view, showing right eye, auricular orifice, " corner of 



mouth," and pectoral. 



All specimens from Snook's Arm Station, Notre Dame Bay, Newfoundland. 



PLATE 10. 



FIGURE 1. Balcenoptera physalus (L.) . No. 20?. Head, showing white right mandible, anterior portion of 

 upper jaw, and whalebone. 



FIGURE 2. The same species. No. 9 i . Head, showing dark left jaws and whalebone. 



FIGURE 3. The same species. No. 17 $ . Lateral view of anterior portion of body, showing white right man- 

 dible, and the peculiar markings above the eye and at the base of the pectoral. 



FIGURE 4. The same species. No. 18 $ . Pudendum, mammary fossae, and anus. a. clitoris, 6. mammary 

 fossae, c. vestibule, d. anus, e. gray anal lines. 



FIGURE 5. The same species. No. 9 {, . Ventral view. 



All specimens from Snook's Arm Station, Notre Dame Bay, Newfoundland. 



/ 



PLATE 11. 



FIGURE 1. Balcenoptera physalus (L.). No. 12 S . Dorsal view (head lying in the water). Showing the right 

 white mandible, and the peculiar markings above the eye, auricular orifice, and base of pectoral. 



FIGURE 2. The same species. No. 13 S . Showing similar markings on the left side. 



FIGURE 3. The same species. No. 18 $ . Head. Dorsal view. 



FIGURE 4. The same species. No. 7 ? . Dorsal view. 



FIGURE 5. The same species. No. 18 ? . Dorsal fin. (The peculiar markings are due to abrasion by the cables.) 



FIGURE 6. The same species. No. 18 ? . Showing the whalebone in position and the " roof of the mouth." 

 (The mandible has not been removed). 



All specimens from Snook's Arm Station, Notre Dame Bay, Newfoundland. 



