Part I. Of Shells. i 57 
in Calceolarias Mufaum, and by Bejler. Here are two of 
them, whereof one is near 4 of a yard long. 
One half of the fame fort of fhell cut down the middle. 
By which it appears to be divided by about 40 oblique 
tranfverfe Partitions. 
^ The Animal is of kin to the Polypus. Famous for the 
Art of Navigation. He rifes to the top of the Water with 
his Shell inverted $ and being there , returns it. Then 
having a thin Membrance fpread againft the Wind for a 
Sail, two Feet for the Rudder, and two for the Helm, he fails 
along. If any fear arifes, he pulls all in, and filling his fhell 
with Water, immediately finks himfelf to the bottom of 
the Sea. (a) GO Ari& 
The PEARLY SAILER, *Tis both within and without 
of the colour of the beft Oriental Pearl. This fort is Seal, exercit. 
brought from India and the Perfian-Gulf. Hereof Neck: ^°^oppiL 
laces are fomctimes made. As alfo Images and Beads ufed nus. Beiio- 
at Devotions. 
The SPIKED SAILER. The Back and Belly of this Septal's 
are flat with two ridges, and on each ridge grows a row 0 f Mufeum ' 
fhort Spikes. 
The MAILED SAILER. Nautichis Laminate. I meet 
with it no where. Both within, and efpecially without, 
of the colour of the richeft Pearl. It is compofed of a con- 
fiderable number of Plates, as if in Armor. Yet the Plates 
continuous 5 furrow'd along the middle,and produced with 
a blunt Angle, almoft like a Widows-Peak. From under 
each of which, emergeth a kind of little Tongue, like that 
of a Shpo-Bucl4e, 
VENUS-SHELL. Concha Veneris. Becaufe beautiful 
Or elfe, faith Ter^agi, quod partem Veneris Imperio fubdi- 
tarn refer at. The firft I (hall name is that with Blobbed-lips, 
or having as it were a white thick Facing. They are alfo 
furrow'd, and ftained with Cheftnut Spots. But the Back 
with a Purple. 
VENUS SHELL, with the right Lip furrow J d,but neither 
of them faced or turned out. 
A SECOND of this kind with the left Lip furrowU 
A THIRD, with both Lips furrow'd. 
The HIGH-BACK'D VENUS-SHELL Of this kind, 
here are three of a Cheftnut or Bay-Qo\om 5 one ftained 
T with 
