( 5oS) 
of a perfed White Subflance, exaf>Iy anpAerlng the De- 
fcrpti )n of that fort of Amher^ Olatu Wormiui menri- 
ons in his Muf<£um, Page 34. under the Name of Am* 
Irce Gr 'tfe/Z nondttm matura. 
Nor is the kind of Whale-Fijh that's often taken in 
New England^ and affords the true Sperma Ceti a Stran- 
ger to the Coaft of Ireland t^^x, refpedis America. This 
we may properly, I think, with Dr. Charleton, call the 
Cetus Dentatus, from its large, folid, white Teeth, fixt 
only in the lower Jaw ; to diftinguifh it from that Spe- 
cks that gives the Whale Bone, mod naturally named 
by Ariftotle in his Hiftoria An 'maltum Myfticetiu, from 
its bearded, horny Lamina in the Root of its Mouth: 
of which kind likewife there have been Three or Four 
ftranded in my time ; but on the Eajlern Coaft of this 
Country that regards England, 
This Cetus Detttatus is faithfully defcribed by Carolus 
Clujiusy in his Sixth Bock of £x(?//cj, Chapter the 17 tb, 
under the Name of Cete^ aliud admtralile ; and truly 
figured by Johnjlonus in his Hiftoria Pifcium^ lable 
the42d. and by Mr, Ray in his Ichthyographia^ Table 
the I ft. but by both under the too general Name of the 
Balena, There have been Three of this Kind taken to 
my Knowledge, in the Space of Six Years, all on the 
Weftern Coaft of this Country 5 one near Colerane^ in 
the County of Antrim ; another about Ship-harlour, in 
the County of Donnegall ; and a Third in Augufi^ 1^91. 
Seventy one Foot long, exceeding that defcribed by 
Clafius, Ninetten Foot, towards Eally-Jhannon^ where 
Lough' Erne iikh^rgtsiis Waters into the Weftern Oceaa 
And then it was, I had an Opportunity of truly in- 
forming my fcif what fort of Subftance Sperma Ceti is, 
and 
