Proc to not us (proktonotus)

πρωκτός, the anus, + νῶτος, back.] IMG:content-1031.png:[graphic][merged small] Proc to not us mucroniferus. (Line shows natural size.) nudibranchiates, typical of the family Proc to no tidæ. The species occur in the European seas. proc to paralysis (prok"to-pa-ral'i-sis), n. [NL.,