EI304] 
adjacent or appendent mufcles, to facilitate the afcent 
or defcent ot the body in the water, or to detain it in any 
depth of water. 
The received opinion that fifhes have neither Reins 
nor Bladder for Urine , is from experience contradid:- 
ed, it being found by diflfediion, that few fifties want 
a bladder, none Reins. 
The iituation of the Appendices or blind-guts, isob- 
ferved to be different in fimes from what it is in other 
Animals-^ for in thele they are fituated at the end of the 
Guts, at leafl: of the fmall Guts; in thofe at the begin- 
ning next the Stomack. Thefe Appendices in the fe- 
verall fpecies of fifli, vary extreamly as to their num- 
ber, figure and magnitude, as is declared in particular 
by feverall Inftances. 
Next to the parts of fifties and their ufes, many things 
are laid concerning the generation of fifties, which is 
fliewn to be threefold, according to the three cheif 
kinds of Fifties. For. i. the Cetaceous kind fwhich are 
rightly called by the Latines 'BeUu(z Marina^ Sea-Beajis) 
generate exadly after the manner of Viviparous 
drupeds. 
The Cartilagineous kind fomewhat referable Birds 
in their manner of Generation, for they breed large 
Eggs with diftindion ©f Yolk and White, only they 
do not lay them, butcherifti and hatch them in their 
Wombs, and lo bring forth live young ones, as Vipers, 
and perhaps fome other forts of Serpents do. 
3. TheSpino/e kind, f under which name are compre- 
hended all other fifties befide the forementioned,) con-*^ 
ceive an innumerable number offmallEggscalltdSpamn, 
which probably anfwer to the Cuatri^ulie in Birds Eggs, 
and that (^as is conceived) without a.ny Coition or Copu- 
lation with the Male 5 on which Spawn,fb foon as it is caft 
by the Female, the Male or MilUP prelently comes 
aad fca-tters his M/^ or Seed, 
to 
