The new macro function %SYSFUNC (SASÂ® rel 6.12) allows access by the macro processor to most data step. functions and several SCL functions. Solutions to many. common macro tasks can now be simpler and more. efficient. In addition, many of the SCL functions allow the. programmer to manipulate external files directly from the.
Lancelet. Branchiostoma lanceolatum, or Amphioxus lan-ceolatus) , a chordate animal of subphylum Acrania (Cephalo-chordata). The body of the lancelet is transparent, up to 8 cm long, and pointed at both ends.The notochord extends into the anterior end of the body.The caudal fin is lancet-shaped.ranchiostoma lanceolatum, or Amphioxus lan-ceolatus) , a chordate animal of subphylum Acrania (Cephalo-chordata). The body of the lancelet is transparent, up to 8 cm long, and pointed at both ends. The notochord extends into the anterior end of the body. The caudal fin is lancet-shaped.
Amphiuma is a genus of aquatic salamanders that have very small limbs and are sometimes misidentified as snakes or eels. Indeed, members of the genus, which may grow up to three feet long, are often better known by the name Congo eel or Congo snake.mphiuma is a genus of aquatic salamanders that have very small limbs and are sometimes misidentified as snakes or eels. Indeed, members of the genus, which may grow up to three feet long, are often better known by the name Congo eel or Congo snake.