Part I. 
Of Shells. 
*37 
in Calceolarias Mufaum, and by Bejler. Here are two of 
them, whereof one is near J of a yard long. 
One half of the fame fort of fhcll 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. Herifes to the top of the Water with 
his Shell inverted5 and being there, returns it. Then 
having a thin Membrance fpread againfl the Wind for a 
Sail, two Feet for the Rudder, and two for the Helm, he fails 
along. If any fear anfes, he pulls all in, and filling his fhell 
with Water, immediately finks himfelf to the bottom of 
the Sea. (a) am. 
The PEARLY SAILER, ’Tis both within and without 
of the colour of the belt Oriental Pearl. This fort IS Seal. cxcrcit. 
brought from India and the Perfian-GuM Hereof Neck: 
laces are fometimes made. As alfo Images and Beads ufed nus. Bello- 
at Devotions. nius. And 
The SPIKED SAILER. The Back and Belly of this Septaiius’3 
arc flat with two ridges, and on each ridge grows a row ofMufsum. 
lhort Spikes. 
The MAILED SAILER. Nauticlus Laminatus. 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; 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 Shoo-Buckje. 
V ENUS-SHELL. Concha Veneris. Becaufe beautiful. 
Or elfe, faith Terzagi, quod partem Veneris Imperio fubdi- 
tam refer at. The firft I fhall name is that with Blobbed-lips, 
or having as it were a white thick Facing. They are alfo 
furrow d, and Rained with Cheftriut Spots. But the Back 
with a Purple. 
VENUS SHELL, with the right Lip furrow’d,but neither 
of them faced or turned out. 
A SECOND of this kind with the left Lip furrow’d. 
A THIRD, with both Lips furrow’d. 
The HIGH-BACK’D VENUS-SHELL. Of this kind, 
here are three of a Cheflnut or Bay- colour 5 one Rained 
T with 
