52 



of O. Fabiicius is intended for this species, as it is called 

 kepakak by the Gieeulanders. If this is the case, the de- 

 scription of the form and position of the dorsal fin is not 

 correct. 



Professor Eschricht observes, " this animal is always in- 

 fested with Dindema BalcBiiarum, and with a species of 

 Otion, which lie regards as new, while the Girripedes are 

 never Ibund on any species of Balccnoplera. On the other 

 hand, the TubicineUa, Coronula Baleacaris and Otions 

 are often found on the Balana Mysticetus or Right whale 

 of the Southern Seas. See Eschricht, 144. 



The Bermuda Hump-back. Megapteron Americana. 



The Baleen of this species is extensively imported ; it 

 is similar to the Baleen of the Gray Finner. 



Hyperoodon. 

 Eschricht gives some figures illustrative of the jaw and 

 throat of this species. Danish Acad. Trans, xi. 327, 331, 

 .33-2, 334, 335. 



Professor Eschricht, in the Danish Transactions, has 

 given an account of the history of this species, and many 

 details of its anatomy, including some admirable details of 

 its brain. He also shows that there are numerous small 

 teeth in the jaws. (See fig. at pp. 331-335), besides the two 

 large teeth in front. He regarded the Anarnac or Monodon 

 spurius, O. Fab. as the common Hyperoodon, in which 

 Fabricius mistook the lower for the upper-jaw. The fat of 

 Hyperoodon is purgative, as Fabricius describes to be the 

 peculiarity of the Anarnac ; and Professor Eschricht, in 

 ins unpublished paper, has proposed the name of Cheno- 

 cetus, instead of Hyperoodon, which is founded on an er- 

 roneous description. The name Goose-tvltale, or its trans- 

 lation, is applied to this animal, in most part of the seas 

 where it inhabits. 



This genus must be common in the Arctic seas. Franklin, 

 in his second voyage, p. 206, observed many skulls round 

 one of the winter houses of the Esquimaux, and Sir John 

 Richardson informs me, they resemble a saddle, and that 

 the blowers, of the animals were far back an admirable 

 description of the peculiarities of this genus. 



Hyperoodon rostratum. 

 By the kindness of Mr. S. Stutchbury, I have been en- 

 abled to give a new figure of this species, from a drawing 

 made by Mr. W. H. Baily, from a specimen in the Museum 

 of the Bristol Institution taken at Aust Pas.sage, Oct. 1840. 

 The measurements on the drawing are as follows : — 



Ft. In. 



Length, entire, along the back .... 22 2 



„ straight line .... 21 



Girth on widest part .... .... 12 6 



,, of posterior part of fins .... 11 2 



„ over the eyes to centre of blowhole 8 9 



„ at highest part of head .... 6 6 



„ at close of tail .... .... 2 11 



Length of upper part of upper jaw .... 1 1 



„ lower jaw .... .... .... l 8 



., upper part of lower jaw .... 1 9 



„ lower jaw to eye .... .... 3 3 



Ft. In. 



3 

 3 



8 

 



9 8 



Length from tip of lower jaw to anterior 



part of flipper .... .... 5 



„ of flipper .... .... 2 



Width of flipper .... .... .... 



Length from anterior part of flipper to vent 8 

 „ from end of tail to posterior part 



of dorsal fin 

 „ from end of tail to posterior part 

 of dorsal fin 

 Breadth of dorsal fin 

 Length of dorsal fin 

 Breadth of tail 

 Depth of tail 

 Length of orifice of vent 



Fig. 2. is the detail of the tail. Fig. 3. the blowers. 



The skeleton of this specimen is preserved in the Bristol 

 Institution. 



Mr. W. Thompson has given in the Ann. Sj May. Nat. 

 Hist. 1846, 150, t. 4, iv. 375, the following description and 

 measurement of a recently caught specimen; he calls it 

 H. Bulzkopf. 



" Blackish lead hue, merely a lighter shade beneath, and 

 not white. Teeth, two on each side, in front loosely covered 

 by the gums ; the front pair smaller ; blower, slightly cres- 

 centic, pointed directly towards the head, and the eyes on 

 the same vertical plane ; eyes round ; " a male." 



no. 1. 3- 

 Length, entire, straight .... 20*4 



„ over curve .... 23"4 



„ of nose .... "11 



„ of gape .... 1-7 



„ to eye .... 31 



„ to pectoral fin .... 5' 11 



„ of pectoral fin .... 2'2 



„ to dorsal fin .... 10"9 



„ of dorsal at base .... \7 



Girth, greatest .... .... ir6 



Width of pectoral .... .... 7 



„ of caudal .... .... 5"6 



Length of dorsal .... .... I'O 



Dr. Jacob, in his description of Cetodiodon Hunteri, 

 Dublin Phil. Jour. 1825, observes, there are no teeth in the 

 palate. There is a skeleton in Mus. Col. Surg. Dublin ; a 

 skull. Royal Dublin Society ; and a skull in the Museum of 

 the School of Anatomy, Peter's Street, Dublin. He further 

 remarks — The four skulls in Dublin belong to one spe- 

 cies, and have two teeth in lower jaw, hid in the gums. 



Fig. 4 and 5 of the same plate, represent one of the 

 skulls of this species in the Dublin Museum, from a drawing 

 kindly communicated by R. Ball, Esq. 



There is a skeleton in the Museum of the Edinburgh 

 University. 



Mr. Thompson (Mag. Nat. Hist. 1838, 221), considers 

 Hunter's and Boussard's cetacean as identical, and Dai's 

 the male of the same species. He describes a specimen 

 stranded near Hull, in 1837; it has two strong, robust 

 teeth at the extremity of the lower jaw, covered and 



