200 



HANDBOOK OF INVEKTEBRATE ZOOLOGY. 



1 . The stomach consists of two portions or chambers : 

 the large transparent membraneous ^^ cardiac'' pouch (Figs. 

 103 and 104, e) which fills the anterior median portion of 

 the body, and whi(;h, as already noticed, is exposed when 

 the carapace is removed, and a posterior, much smaller 

 ^^ pyloric''' pouch (Figs. 103 and 104, 6). Raise up the 

 posterior border of the ^' cardiac " pouch and under it, at a 



Fig. 104. 



Fig. 104. ' — Male specimen of Callinectes hastatus ; opened from below 

 to show the reproductive organs. (Drawn from nature by J. E. Arm- 

 strong. ) 



t. Testis, t! d. Vas deferens, e d. Ejaculatory duet. Other letters 

 as in Fig. 103. 



