EXPLANATION OF PLATES. 315 



PLATE 26. 



Figure 1. Baheno2)tera(lavidsoni HcAmmon. Type-skull. No. 12177, U. S. National Museum. Admiralty 



Inlet, Piiget Sound. Wasliington. Lateral view. 

 Figure 2. Bahennpteva acitto-rostrata Lacepedo. No. 209.31, U. S. National Museum. Off Monomoy Point, 



Harwichport, Mass. Young. Lateral view. 

 Figure 3. The same species. No. 13877, U. S. National Museum. Coast of Norway. Lateral view. 



PLATE 27. 



Figure 1. Balmnoptei-a dtnndxoni Scammon. No. 0171.5, U. S. National Museum. St. Paul Island. 



Pribilof Groui), Bering Sea. Lateral view. 

 Figure 2. Bahrnoptcra acuio-rostrala Laoepede. No. 20931, U. S. National Museum. Off Monomoy Point, 



Harwichport, Mass. Young. Lateral view. 

 Figure 3. The same species. Right scapula of skeleton No. 13877, U. S. National Museum. Coast of 



Norway. Adult. 

 Figure 4. The same species. Scapula of skeleton No. 20931, U. S. National Museum. Off Monomoy Point, 



Harwichport, Mass. Young. 

 Figure 5. The same species. Sternum of skeleton No. 13877, U. S. National Museum. Coast of Norway. 



Adult. 

 Figure 6. The same species. Sternum of skeleton No. 20931, U. S. National Museum. Off Monomoy Point, 



Harwichport, Ma.ss. 



PLATE 28. 



Figure 1. Balcenoptera davidsoiii Scammon. Valdes, Alaska. Ventral view. Photographed by F. C. 

 Schroeder, U. S. Geological Survey. 



Figure 2. The same specimen. Dorsal view. 



Figure 3. Bahenoptera acuto-rostrata Lacepede. Quoddy Head, Maine. Ventral view. 



Figure 4. The same specimen. Lateral view. 



Figure .5. Bahenoptei'a velifem, {'/). Anterior portion of skeleton in Wistar Institute, Univei-sity of Penn- 

 sylvania. Coast of California. 



Figure 6. The same, showing cervical and anterior dorsal vertebras. 



PLATE 29. 



Figure 1. Megaptera belUcosa Cope. Type-skull. San Domingo or St. Barthlomew Island, West Indies. 



Philadelphia Academy of Natm-al Sciences. Dorsal view. 

 Figure 2. Myapteni nodosa (Bonnaterre). No. 21492, U. S. National Museum. Cape Cod, Mass. Dorsal view. 



PLATE 30. 



FiGUKE 1. Megaptera hellicosa Cope. Type-skull. Ventral view. 



Figure 3. Megaptera nodosa (Bonnaterre). No. 21493, U. S. National Museum. Cape Cod, Mass. Ventral view. 



PLATE 81. 



Figure 1. Megaptera bellicosa Cope. Type-skull. Lateral view. 



Figure 2. 3Ie(japtera nodosa (BonnaUin-e). No. 31492, U. S. National Museum. Cape Cod, Mass. Lateral view. 



Figure 3. The same species. Cape Cod, Mass. Milwaukee Public Museum. Lateral view. 



PLATE 32. 



Figure 1. Megaptera nodosa (Bonnaterre). No. \Ulh S . U. S. National Museum. I'rovincetown, Mass. 



Young. Dorsal view. 

 Figure 2. The same species. Cape Cod, JIass. Jlilwaukee Public Museum. Doi-sal view. (The figure is 



much distorted.) 



PLATE 33. 



Figure l. Megaptera nodosa (Bonnaterre). No. Uf ||, 9 , U. S. National Museum. Provincetown, Mass. 



Young. Ventral view. 

 Figure 3. The same species. Cape Cod, Mass. Milwaukee Public Museum. Ventral view. 



