120 SPECIMENS OF CETACEA. 



1. Skeleton, articulated, with pelvic bones and hyoid ; length 



14 feet 1 inch; vertebral formula C'jT>-^iL^JJd^^ = 57. 

 Premaxilla definitely concave in front of nares, broad 

 on rostrum but not obscuring superior maxilla. 

 New Zealand, 1878. 



2. Skull, without mandible, 25^ inches long, 18 inches broad ; 



beak 14 inches long, 10 inches broad ; teeth absent, 

 but ten sockets on each side. Premaxillaj broadest 

 at the foramen, 3| inches, not completely covering 

 superior maxillae ; prenasal surface concave, mid 

 surface convex ; ossification of mesethmoid extend- 

 ing 5^ inches between premaxillai. Pterygoids 

 broken. 

 New Zealand. 



3. Skull, aged, with mandible, 24 inches long, 15| inches 



broad; beak 13 inches long, 8^ inches broad; teeth 

 absent, with ten sockets in lower jaw. Premaxillse 

 with greatest width, 2f inches, at middle ; in other 

 respects as in No. 2. Pterygoids separated by narrow 

 fissure. Mandible 19 j inches long, symphysis 2^ 

 inches. 

 Chatham Islands. 



4. Tympano-periotic bones, right ; stapes present, but not 



fused. Tympanic 1| inch, breadth | inch ; periotic, 

 length 1| inch. Characters resemble G. iiielas. 

 New Zealand. 



5. Mandible, detached, with ^ iz teeth at anterior end, crowns 



acute ; probably G. onacrorhynchus. 



6. Mandible. Length 19| inches, greatest height 6^ inches ; 



symphysis 2^ inches. Teeth, 10 on each side of the 



anterior end of the mandible, moderate in size, 

 conical. 



New Zealand. Sir James Hector. 



X. GRAMPUS. (Gr.) 



Grampus, Gray, Zool. Erebus and Terror, p. 30, 1846. 



Colour variable, slaty grey, mottled, irregularly 

 streaked. No teeth in upper jaw, a few in mandible 

 at symphysial end. Head globose, no beak ; dorsal 

 fin falcate, high ; pectoral limb narrow, falcate. 



