C H A P. II. 



Of the Sorts of Polypes. 



'T^ HERE are, no doubt, feveral Species 



^ of Polypes^ differing from each other 

 in many particulars as well of Figure as Size. 

 I have, at prefent, four Sorts in m.y Glaffes, 

 whereof I iliall give a brief Defcription, and 

 fliew the Figures of them all, in their con- 

 tradledj in their middle, and in their extended 

 State. 



The Firft, is that Species Mr.TREMBLEV 

 fent from the Hague in March laft, fome of 

 which (as now grown) have Bodies, when 

 fully extended, more than an Inch and half 

 long: tho' the fame, when con trailed, ex- 

 ceed not one tenth of an Inch. In this 

 (horten'd State a little Knob or Button^ fome- 

 what tranfparent, appears at their pofterior 

 End, and may be call'd a Tail ; but when 

 they are ftretched out, it differs fo little from 

 the Body as fcarce to be taken notice of. 

 When full, or contraded, their Bodies ap- 

 pear of an Hair or light Cheftnut- colour, 

 but when empty and extended are almoft 

 white. Their Number of Arms is from 

 eight or ten, to twelve or fourteen, tho' the 

 C molt 



