(6iV 
beenobfcrved heretofore; andthofclikewifc, who think that thefc new ObferVatlons o£ 
the Mufdcsare unctlstain ; concluding this Subjetft with an E numeration of the particularsj 
yet remaining to be fearch'd into, in the HiftoVy of the Mufcles. 
To all thcfe things he acids Two Narrative*, One of a difleded H?ad of a Sharl^c 
wrhich he calls Canis Carchdria; where he delivers matiy curiouv Obferyatioiis of the 
Skin, Eye, optick Nerves, Ocular lilurdes, exceeding rmahiefs . of die' Brain, as alfo 
of the Mouth, and ftrange Teeth of this Fiih 5 examining withal, whether thc.GUJfo^ 
p.tr^e bethe teeth o( this Creature, or 5*^0 nw produced by the Earth ; in wliich contro- 
ve: fie he takes their part, who 'niajntain that thofe and divers other fubftinces, found in- 
the Earth, arc parts of the Bodies of Animals, and endeavours to prove, that (uch forts of 
Earth may befhefedimentsof water, and fuch Bodies, the parts of Animals carried down 
toge:ber,with thofe fedimcnt's, and in progrefs of time reduced to a flony hardnels. * 
This Suhje^ Mr, Hook hdth alfo difcoutfei of at Idrge in feverdl of his public fi 
tenures, founded by Sir John Cutlet 5- i$hifh tenures be read about tm years 
fince in Grefharn Golledge, in the prcfence'cfm^py Learned and Curious perfonsi 
which alft} hid been long ftnce made public^, had» wo^ eiher indijpen fable affairs 
hindrcdhimfromM\ingcafe of the Prejs : "wheYc he^hnith not. only jhewn the 
Origin of thefe Glofropetr,2E,&«t of all ether eurioujly figurd stones and Minerals^ 
together with that if Mountains, L(i\esy Iflandsy &c. though from a fomevhat di f 
frying Hypothefis , ef which the euriour may jhortiy receive a further Account, 
The o^kr Narrative i$ of a Fcma:le'P«^-Fij?75 drfleftcdalfo-by himfelf, where do oc- 
curnolcfs remarkable obfervations, than in the former, both of the parts in the Head, and 
of thofe in the Bo^y ; ai touching the fmail weight of the Brain of this Fifh,. compared to 
the weight of its Body 5 feveral little Fijhes found in the Stomach, untouched by any 
Teeth; the UreterSi tht Ovarium^^md Ovidu^us, where he digrefles, to fhew , Mu- 
' iierum teftes ejfe Ovario andoges, and refers, for further proof of this to his intended 
Jreatife, which is to2,ivc in ^cQomt departium Genitalium Mlogia, 
An Advertifement. 
The Publifljer hereof gives notice, that a Brief Inde^ for t he Tranf actions 
of, this laftycar, beginning diVNHmh.zi, in March 1 667, fhall be Print- 
ed a part, for the ufe of fuch as defire to have all thofe Numbers to- 
gether. 
ERRATA. 
WHat the Printer for "want ojroom^did omit hitherto in the giving notice 
of an Error committed by him in Numb. 29. the Reader is now dejl" 
nd to obferve here; \'ix. That inthefaidNumh, for want of Marks proper to 
exprefi Multiplication, there was ufe d p3g. 571 J. 5.7. the marJ^of ^\\x^ or 
addition ^ -which yet 'tis thought could hardly occafion any mifiake in the Intel- 
ilgent Readers^ who might eafilyfee the meaning of the' Author by the lines 8. 
p. I O . of the next precedent page 570. 
la the S A r O r, 
printed by 7*. for ^ohn Martyn^ Printer to the Royal Society ^ and are 
to be fold at the Bell a little without tm^c-Bf^r^ 1 667, 
