234 



GENERAL BIOLOGY 

 Table of Malacostracan Appendages 



KINDS OF APPENDAGES 



Bracket together the segments that are consolidated upon the dorsal side. 

 When different in the two sexes divide the space with a diagonal line and write 

 characters of male and female in separately. 



the base of a hind leg of a living specimen until it dis- 

 solves a little, and watching for the colored water to appear 

 at the front of-the animal when expelled from the gill cham- 

 ber. The passageway through the gill chamber from the 

 rear and outward at the front may be looked up later in a 

 dead specimen. 



Examine gill-covers and gills of Asellus in action by 

 turning, a living specimen over on its back and watching 

 them under a lens. Note their texture and form, and 



