V BRTEBRATA. 



i,.. i. 



I; the plaits of the belly and throat are broad The skull is intermediate between that 

 and Balamoptera. 



hp-backkd Wii v! R, if. longimana, is an inhabitant of the North Sea, and has 



month of the Maas. It ia the Balama longimana of Rudolphi, and the Baltena 



Eschricht, who Bays it is the mosl common whale in the Greenland seas.^ 



,a lit mf Back, M. Americana, ia of a black color, with a white belly, and has its 



u ;,l, tu j |, i s found at Bermuda from March to the end of May, when it 



The baleen of this whale is extensively imported from Bermuda, 



[>oe8K( • mk Hcmp-Back, 1/. Poeskop, is the Rorqual du Cap of Cuvier, and the 



i, ilt of Ross's • Antarctic Voyage." It is an inhabitant of the seas of the Cape 



II. >!>(•. 



\. I/. Kuzira, inhabits the Japanese Beas, 



. |.\|..i \t.| TERA : balamoptera, includes the Finners, which are marked by a soft 



this a well-known species called the Pike-Whale,/?, rostrata ; the Rorqualus 



■ Dekay; the Rorqualus Eoops of F. Cuvier. It is of a black color; underneath 



lish-white. It inhabits the North Sea, and lias been found in New York Bay, at Valognes 



in i and a B] imen was taken in the Thames at Deptford. 



Ba< r, Physalus Antiquorum, is of a slate-gray color, whitish beneath; the baleen 



•red. This species ;•> an inhabitant of the North Sea, and is sometimes found a 



Inn. • long, being in fact the longest species of known animals. One of this kind was found 



in Plymouth Sound, England, on the 2d of October, 1831. It is stated to have been one 



: and two feet long and seventy-five in circumference. This specimen was taken round 



" . as a Bhow in three caravans. 

 /'. (Rorqualus) Boops of Gray has been taken off the coast of Wales. The length of a 

 imen in the British Museum is thirty-eight feet; the head is nine feet long; the vertebra} 

 in number, and there are fifteen pairs of single ribs. 

 /'. | Rorqualus) Sibbaldii. A specimen of this species, fifty feet long, exists in the mu- 

 . at Hull, England. 

 The I 'kkivi \n Pinker, P.fasdatus^ described by Tschudi, has been found on the coasts of Peru. 

 The .1 m'\n Fix. nek, /'. Iwasi, i> very rare; one was cast ashore at Kii in 1700; it was twenty- 



• 

 I larcticus ; this is named from the baleen of a New Zealand species by Dr. J. E.Gray. 



The Bahia Fixxer, P. Brasiliensis, is named from baleen brought from Bahia. 

 Th 8 niKi.N KiNNEK, P. Australia, inhabits the seas of the Falkland Islands. 



THE ('ATODONTII)J-; OR SPERM-WHALES. 



Thi9 family, called Toothed Whales, are distinguished from the true wdialcs by the absence of 



. .nd the presence of from forty to fifty conical teeth in the lower jaw. This is 



shorter and narrower than the upper jaw, so that when the mouth is closed it is completely in- 



\ the upper jaw. The teeth tit into cavities of the upper jaw, which although not quite 



itut' th, j es these organs in a very rudimentary condition, and concealed in the 



I'll'- lead, a- in tin- true whales, is of enormous size, forming about one-third of the entire 

 sngth of the animal, and its form is eery remarkable. It is nearly cylindrical, and singu- 

 larly truncated in front, and the blow-hole, instead of being placed on the forehead, is situated on 

 - portion of this immense snout. The mass of this part of the head is not composed 

 • a Borl of cartilaginous envelope, containing an oily fluid, which hardens by expo- 

 r, and in this state i- well known as spermaceti. This substance is also diffused 

 through the blubber. 



. \ |i i| ii i\ t 'atodon, includes the only well known species — the Spekm-Wiiale, or 



i Whale, or Blvnt-hsadbu Cachalot, C, macrocephalus, the Physeter macrocephalus 



•lor ia black above and white below. It is very generally distributed in all 



rincipally in those of the southern hemisphere. The male is of immense' bulk, usually 



brty feet in length; and specimens have been met with no less than seventy- 



