THE 
GREAT SALPA. 
Generic Character. 
Body tubular, nayant, open at each extremity, 
furniflaed with an oblique inteftine. 
Specific Character. 
SALPA with an appendicle at each extremity. 
The field of zoology has been fo much enlarged 
by the difcoveries made fince the twelfth edition of 
the Syftema Naturae of Linnaeus, that it has been 
found necelfary to inflitute a variety of new genera 
in moft of the divifions of the animal kingdom. In 
the divifion Mollufca thefe new genera are particu¬ 
larly confpicuous, and form not the leaft curious 
additions to the hiftory of Nature. The genus Salpa 
may be numbered amongfi: the moft ftriking. The 
Salpte, in general, are of an elongated and fome- 
what fquarhh form, and confift of an oblong, tu¬ 
bular body, open at each extremity, and marked in 
the interior ftrudlure with fome obfcure appearance 
of ramified vifcera; which are much more apparent 
in fome fpecies than in others. They are of a gre¬ 
garious nature, and fwim with great facility: pof- 
fe fling 
