WORMS. MOLLUSCA. 32. Saipa. 



The animals of this Genus are of a gregarioua nature, and often 

 adhere together ; they fwim with great facility, and nave the, 

 pow ;r of contracting or opening at pleaiure the cavities at the 

 extremities. 

 I 



A. Furnijbed with an appendage* 



Maxima, Body with a fmall appendage at each extremity. 



Inhabits the Mediterranean. Nat. Mifcel. vii, tab. 232. 

 Body hyaline with a blueifti caft, about a fpan long, fomewhafc 

 quadrangular, with a dull teftaceous fpot at the lower end : 

 the lower appendage is fubulate, the upper conic. 



Pinnata, Mouth terminal : back with a yellow and white line: ab- 

 domen with 2 reddiih- white lines. 

 Inhabits the Mediterranean Forjk. fit, Arab* p. 113. n. 31. 

 Body about 2 inches lon;e, nearly triangular, hyaline with an 

 opake line on the back : appendage refembling a iin, and ra- 

 ther triangular. 



Democrati- Body fafciate and prickly behind. 

 <•** . Shaw Natur M.Jcet, tab. 236 Forjk, JZgypt. p, 1 1 3, ft J 2. 



Inhabits the Mediterranean,- in large groupes, and fwimming 



confufedly in all directions : about an inch long. 

 Body oval, truncate before and ending in about 8 fpinea behind, 

 with a blueifh nucleus at the bafe or a radiate circle, 



Mucronata. Mouth lateral : front with a hyaline fpine placed on the 

 right fide, and another at the tail placed on the left 

 fide : nucleus or Ipot behind oblong and blue. 



Inhabits the Mediterranean. Forjk. fn, Arab. p. 114, n. 33. 



Body about an inch long, oblong-ovate, pointed behind : nucim 

 opake. 



B. Without the terminal appendage, 



Puntlata, Mooth nearly terminal : back dotted with red and mucro- 

 nate behind : tail projecting. 

 Inhabits the Mediterranean. Forsk,fn, JEgyft. p, 1 14. n % 34. 

 Body about an inch and a half long, hyaline with obfolete bands 

 on the abdomen : nucleus or fpot near the tail opake 2nd yel- 

 lowifh-ferruginous. 



Confa?dera* Mouth terminal : back gibbous. 

 ta. Inhabits the Mediterranean, Forshfn. Arab, p. 115. ft, 35. 



Body, about an inch long* nearly quadrangular, hyaline, foft, 

 With, a globular-ovate nucleus behind the gibbofity of the back, 

 opake and reddifh. brown with a pellucid line proceeding 

 from it, 



lafciata. 



